Extreme rain in Australia, 16 to 20 September 2019

Name: Extreme rain in Australia, 16 to 20 September 2019
Start: 2019-09-16
End: 2019-09-20
Location: Australia

Extreme rain in Australia, 16 to 20 September 2019: 168 records at 130 stations, peak on 18 September 2019. Closed.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Key Facts

Extreme rain in Australia, 16 to 20 September 2019 set or tied 168 station records at 130 stations.
It ran from 16 September 2019 to 20 September 2019 (5 days) and its peak day was 18 September 2019.
Status: closed.
Concord Golf Club set a daily record precipitation of 85.6 mm (3.4 in) on 18 September 2019.
The busiest day was 18 September 2019 with 104 records.
The oldest broken record in the ranked list had stood for 116 years.

Footprint

16 to 20 September 2019

The area covered by Extreme rain in Australia, 16 to 20 September 2019 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in Australia, 16 to 20 September 2019: stations that set records in the event
Station	Type	Value	Date
Concord Golf Club	Record daily precipitation	85.6 mm (3.4 in)	2019-09-18
Carrow Brook	Record daily precipitation	81.2 mm (3.2 in)	2019-09-18
Gresford Post Office	Record daily precipitation	72.8 mm (2.9 in)	2019-09-18
Yallambie (Mount Auban)	Record daily precipitation	52.4 mm (2.1 in)	2019-09-18
Sydney (Observatory Hill)	Record daily precipitation	65.6 mm (2.6 in)	2019-09-18
Darkes Forest (Kintyre)	Record daily precipitation	59.0 mm (2.3 in)	2019-09-19
Mount Wilson (Clarine)	Record daily precipitation	69.0 mm (2.7 in)	2019-09-18
Sydney Botanic Gardens	Record daily precipitation	64.8 mm (2.6 in)	2019-09-18
Castle Cove (Rosebridge Ave)	Record daily precipitation	77.0 mm (3.0 in)	2019-09-18
Elderslie	Record daily precipitation	38.0 mm (1.5 in)	2019-09-18
Mount Kuring-Gai (Ledora Farm)	Record daily precipitation	83.0 mm (3.3 in)	2019-09-18
Macquarie Park (Willandra Vill	Record daily precipitation	76.8 mm (3.0 in)	2019-09-18
Orchard Hills Treatment Works	Record daily precipitation	42.6 mm (1.7 in)	2019-09-18
Prospect Reservoir	Record daily precipitation	74.0 mm (2.9 in)	2019-09-18
Seven Hills (Collins St)	Record daily precipitation	61.8 mm (2.4 in)	2019-09-18
Nelson Bay (Nelson Head)	Record daily precipitation	72.0 mm (2.8 in)	2019-09-18
Berambing	Record daily precipitation	57.8 mm (2.3 in)	2019-09-18
Glen Alice	Record daily precipitation	43.2 mm (1.7 in)	2019-09-18
Mona Vale Golf Club	Record daily precipitation	66.2 mm (2.6 in)	2019-09-18

Records per Day

Peak day 104

Records set or tied each day from 16 September 2019 to 20 September 2019. The most in one day was 104 on 18 September 2019.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Australia, 16 to 20 September 2019 ranked by margin
Mount Kuring-Gai (Ledora Farm), 09-18	70.6 mm (2.8 in)
Concord Golf Club, 09-18	67.3 mm (2.6 in)
Macquarie Park (Willandra Vill, 09-18	60.6 mm (2.4 in)
Carrow Brook, 09-18	58.8 mm (2.3 in)
Castle Cove (Rosebridge Ave), 09-18	57.9 mm (2.3 in)
Mona Vale Golf Club, 09-18	55.8 mm (2.2 in)
Mount Wilson (Clarine), 09-18	54.0 mm (2.1 in)
Glen Alice, 09-18	38.8 mm (1.5 in)
Yallambie (Mount Auban), 09-18	38.2 mm (1.5 in)
Orchard Hills Treatment Works, 09-18	37.0 mm (1.5 in)
Seven Hills (Collins St), 09-18	36.7 mm (1.4 in)
Berambing, 09-18	34.9 mm (1.4 in)
Gresford Post Office, 09-18	30.9 mm (1.2 in)
Darkes Forest (Kintyre), 09-19	29.8 mm (1.2 in)
Sydney (Observatory Hill), 09-18	25.0 mm (1.0 in)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

168 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.

Margin against age of the broken record in Extreme rain in Australia, 16 to 20 September 2019
Margin (mm)	Years the old record stood
67	56
59	56
31	104
38	56
25	104
30	101
54	42
22	104
58	34
24	70
71	34
61	34
37	34
13	104
37	56
19	109
35	56
39	24
56	24
16	113
32	56
37	34
9	101
41	34
44	4
60	4
32	16
47	6
37	16
45	24
25	56
30	56
42	24
28	56
27	56
40	4
8	113
7	104
57	4
77	4
50	34
5	97
57	6
28	11
40	34
24	30
6	104
39	6
47	4
28	28
15	38
2	104
3	104
2	101
21	30
20	24
0	116
6	86
27	5
22	49
19	25
15	30
38	4
20	13
16	30
32	24
21	34
4	72
23	37
36	6
19	24
34	2
3	68
1	72
7	64
29	6
15	16
30	5
19	6
19	34
15	34
24	16
20	6
27	33
17	36
19	21
31	6
16	20
17	6
24	2
11	30
9	57
9	30
11	24
24	2
7	30
19	17
10	30
10	13
22	4
22	2
20	5
8	24
8	34
5	33
6	32
24	2
6	30
1	56
6	28
21	6
28	4
12	20
19	2
0	33
10	20
6	24
4	30
14	16
17	4
7	30
2	44
10	6
11	16
5	34
2	34
11	2
16	2
12	5
12	6
3	36
14	8
9	6
4	25
11	2
13	2
1	30
6	26
4	24
19	16
5	20
6	13
7	21
1	36
10	6
4	6
2	16
9	6
0	20
0	24
10	2
1	30
3	5
5	4
9	2
4	2
2	14
5	4
0	16
2	5
4	2
1	13
1	6
1	6
2	6
4	4
2	2
1	2

Compared With Other Events

Station records per event

Station records in Extreme rain in Australia, 16 to 20 September 2019 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 2019	2,223 records
Extreme rain in United States, 3 to 19 January 2024	2,133 records
Extreme rain in Australia, 7 to 26 March 2021	2,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 2018	1,970 records
Extreme rain in United States, 19 December 2022 to 13 January 2023	1,941 records
Extreme rain in Australia, 16 to 20 September 2019 (this event)	168 records

Every Record Set

20 of 168

Every record set or tied during Extreme rain in Australia, 16 to 20 September 2019, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2019-09-18	Concord Golf Club	Record daily precipitation	85.6 mm (3.4 in)	67.3 mm (2.6 in)	56	66 of 100 (Major)
2019-09-18	Carrow Brook	Record daily precipitation	81.2 mm (3.2 in)	58.8 mm (2.3 in)	56	63 of 100 (Major)
2019-09-18	Gresford Post Office	Record daily precipitation	72.8 mm (2.9 in)	30.9 mm (1.2 in)	104	62 of 100 (Major)
2019-09-18	Yallambie (Mount Auban)	Record daily precipitation	52.4 mm (2.1 in)	38.2 mm (1.5 in)	56	61 of 100 (Major)
2019-09-18	Sydney (Observatory Hill)	Record daily precipitation	65.6 mm (2.6 in)	25.0 mm (1.0 in)	104	61 of 100 (Major)
2019-09-18	Mount Wilson (Clarine)	Record daily precipitation	69.0 mm (2.7 in)	54.0 mm (2.1 in)	42	57 of 100 (Notable)
2019-09-18	Sydney Botanic Gardens	Record daily precipitation	64.8 mm (2.6 in)	22.4 mm (0.9 in)	104	57 of 100 (Notable)
2019-09-18	Castle Cove (Rosebridge Ave)	Record daily precipitation	77.0 mm (3.0 in)	57.9 mm (2.3 in)	34	56 of 100 (Notable)
2019-09-18	Elderslie	Record daily precipitation	38.0 mm (1.5 in)	23.8 mm (0.9 in)	70	55 of 100 (Notable)
2019-09-18	Mount Kuring-Gai (Ledora Farm)	Record daily precipitation	83.0 mm (3.3 in)	70.6 mm (2.8 in)	34	55 of 100 (Notable)
2019-09-18	Macquarie Park (Willandra Vill	Record daily precipitation	76.8 mm (3.0 in)	60.6 mm (2.4 in)	34	55 of 100 (Notable)
2019-09-18	Orchard Hills Treatment Works	Record daily precipitation	42.6 mm (1.7 in)	37.0 mm (1.5 in)	34	55 of 100 (Notable)
2019-09-18	Prospect Reservoir	Record daily precipitation	74.0 mm (2.9 in)	13.0 mm (0.5 in)	104	54 of 100 (Notable)
2019-09-18	Seven Hills (Collins St)	Record daily precipitation	61.8 mm (2.4 in)	36.7 mm (1.4 in)	56	54 of 100 (Notable)
2019-09-18	Nelson Bay (Nelson Head)	Record daily precipitation	72.0 mm (2.8 in)	18.9 mm (0.7 in)	109	53 of 100 (Notable)
2019-09-18	Berambing	Record daily precipitation	57.8 mm (2.3 in)	34.9 mm (1.4 in)	56	53 of 100 (Notable)
2019-09-18	Glen Alice	Record daily precipitation	43.2 mm (1.7 in)	38.8 mm (1.5 in)	24	52 of 100 (Notable)
2019-09-18	Mona Vale Golf Club	Record daily precipitation	66.2 mm (2.6 in)	55.8 mm (2.2 in)	24	52 of 100 (Notable)
2019-09-19	Darkes Forest (Kintyre)	Record daily precipitation	59.0 mm (2.3 in)	29.8 mm (1.2 in)	101	58 of 100 (Notable)
2019-09-19	Nelson Bay (Nelson Head)	Record daily precipitation	48.0 mm (1.9 in)	16.2 mm (0.6 in)	113	51 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 168 records the event counts. The counts above use the full total.

Related Headlines

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Download the Data

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.

Margin (mm)	Years the old record stood
67	56
59	56
31	104
38	56
25	104
30	101
54	42
22	104
58	34
24	70
71	34
61	34
37	34
13	104
37	56
19	109
35	56
39	24
56	24
16	113
32	56
37	34
9	101
41	34
44	4
60	4
32	16
47	6
37	16
45	24
25	56
30	56
42	24
28	56
27	56
40	4
8	113
7	104
57	4
77	4
50	34
5	97
57	6
28	11
40	34
24	30
6	104
39	6
47	4
28	28
15	38
2	104
3	104
2	101
21	30
20	24
0	116
6	86
27	5
22	49
19	25
15	30
38	4
20	13
16	30
32	24
21	34
4	72
23	37
36	6
19	24
34	2
3	68
1	72
7	64
29	6
15	16
30	5
19	6
19	34
15	34
24	16
20	6
27	33
17	36
19	21
31	6
16	20
17	6
24	2
11	30
9	57
9	30
11	24
24	2
7	30
19	17
10	30
10	13
22	4
22	2
20	5
8	24
8	34
5	33
6	32
24	2
6	30
1	56
6	28
21	6
28	4
12	20
19	2
0	33
10	20
6	24
4	30
14	16
17	4
7	30
2	44
10	6
11	16
5	34
2	34
11	2
16	2
12	5
12	6
3	36
14	8
9	6
4	25
11	2
13	2
1	30
6	26
4	24
19	16
5	20
6	13
7	21
1	36
10	6
4	6
2	16
9	6
0	20
0	24
10	2
1	30
3	5
5	4
9	2
4	2
2	14
5	4
0	16
2	5
4	2
1	13
1	6
1	6
2	6
4	4
2	2
1	2

Margin (mm)	Years the old record stood
67	56
59	56
31	104
38	56
25	104
30	101
54	42
22	104
58	34
24	70
71	34
61	34
37	34
13	104
37	56
19	109
35	56
39	24
56	24
16	113
32	56
37	34
9	101
41	34
44	4
60	4
32	16
47	6
37	16
45	24
25	56
30	56
42	24
28	56
27	56
40	4
8	113
7	104
57	4
77	4
50	34
5	97
57	6
28	11
40	34
24	30
6	104
39	6
47	4
28	28
15	38
2	104
3	104
2	101
21	30
20	24
0	116
6	86
27	5
22	49
19	25
15	30
38	4
20	13
16	30
32	24
21	34
4	72
23	37
36	6
19	24
34	2
3	68
1	72
7	64
29	6
15	16
30	5
19	6
19	34
15	34
24	16
20	6
27	33
17	36
19	21
31	6
16	20
17	6
24	2
11	30
9	57
9	30
11	24
24	2
7	30
19	17
10	30
10	13
22	4
22	2
20	5
8	24
8	34
5	33
6	32
24	2
6	30
1	56
6	28
21	6
28	4
12	20
19	2
0	33
10	20
6	24
4	30
14	16
17	4
7	30
2	44
10	6
11	16
5	34
2	34
11	2
16	2
12	5
12	6
3	36
14	8
9	6
4	25
11	2
13	2
1	30
6	26
4	24
19	16
5	20
6	13
7	21
1	36
10	6
4	6
2	16
9	6
0	20
0	24
10	2
1	30
3	5
5	4
9	2
4	2
2	14
5	4
0	16
2	5
4	2
1	13
1	6
1	6
2	6
4	4
2	2
1	2

Margin (mm)	Years the old record stood
67	56
59	56
31	104
38	56
25	104
30	101
54	42
22	104
58	34
24	70
71	34
61	34
37	34
13	104
37	56
19	109
35	56
39	24
56	24
16	113
32	56
37	34
9	101
41	34
44	4
60	4
32	16
47	6
37	16
45	24
25	56
30	56
42	24
28	56
27	56
40	4
8	113
7	104
57	4
77	4
50	34
5	97
57	6
28	11
40	34
24	30
6	104
39	6
47	4
28	28
15	38
2	104
3	104
2	101
21	30
20	24
0	116
6	86
27	5
22	49
19	25
15	30
38	4
20	13
16	30
32	24
21	34
4	72
23	37
36	6
19	24
34	2
3	68
1	72
7	64
29	6
15	16
30	5
19	6
19	34
15	34
24	16
20	6
27	33
17	36
19	21
31	6
16	20
17	6
24	2
11	30
9	57
9	30
11	24
24	2
7	30
19	17
10	30
10	13
22	4
22	2
20	5
8	24
8	34
5	33
6	32
24	2
6	30
1	56
6	28
21	6
28	4
12	20
19	2
0	33
10	20
6	24
4	30
14	16
17	4
7	30
2	44
10	6
11	16
5	34
2	34
11	2
16	2
12	5
12	6
3	36
14	8
9	6
4	25
11	2
13	2
1	30
6	26
4	24
19	16
5	20
6	13
7	21
1	36
10	6
4	6
2	16
9	6
0	20
0	24
10	2
1	30
3	5
5	4
9	2
4	2
2	14
5	4
0	16
2	5
4	2
1	13
1	6
1	6
2	6
4	4
2	2
1	2