On This Day, 15 September: Notable Weather Records
20 notable weather records on 15 September across the years, led by Castle Rock, US, with events and storms for the date.
Key Facts for 15 September
- 20 notable weather records were set or tied on 15 September in 14 years (1959 to 2025).
- Castle Rock set a monthly record daily precipitation of 71.1 mm (2.8 in) on 15 September 2013.
- 4 extreme weather events peaked on 15 September.
- 6 named storms were active on 15 September.
Records on 15 September Through the Years
1959 to 2025| Date | Kind | Detail |
|---|---|---|
| 1959-09-15 | Record daily precipitation | Manawar, 383.5 mm (15.1 in) |
| 1976-09-15 | Record daily precipitation | Orskar_A, 73.5 mm (2.9 in) |
| 1986-09-15 | Record daily precipitation | Zerbst, 36.2 mm (1.4 in) |
| 1988-09-15 | Record daily precipitation | Lismore (Centre Street), 170.8 mm (6.7 in) |
| 1988-09-15 | Record daily precipitation | Coraki Post Office, 159.2 mm (6.3 in) |
| 1988-09-15 | Record daily precipitation | Woodburn Post Office, 163.4 mm (6.4 in) |
| 1988-09-15 | Record daily precipitation | Green Mountains, 113.0 mm (4.4 in) |
| 1992-09-15 | Record daily precipitation | Chariton 1 E, 176.5 mm (6.9 in) |
| 1993-09-15 | Record daily precipitation | Gisborne, 112.0 mm (4.4 in) |
| 1993-09-15 | Record daily precipitation | Yarram, 48.0 mm (1.9 in) |
| 1993-09-15 | Record daily precipitation | Durdidwarrah, 57.6 mm (2.3 in) |
| 1997-09-15 | Record daily precipitation | Faulkton, 88.9 mm (3.5 in) |
| 1999-09-15 | Record daily precipitation | Wilmington Intl AP, 339.9 mm (13.4 in) |
| 2004-09-15 | Record daily precipitation | Primghar, 170.2 mm (6.7 in) |
| 2005-09-15 | Record daily precipitation | Paia 406, 91.4 mm (3.6 in) |
| 2005-09-15 | Record daily precipitation | Jagdalpur, 148.1 mm (5.8 in) |
| 2013-09-15 | Record daily precipitation | Castle Rock, 71.1 mm (2.8 in) |
| 2016-09-15 | Record daily precipitation | Gumbardo, 63.4 mm (2.5 in) |
| 2017-09-15 | Record daily precipitation | Broadus, 76.2 mm (3.0 in) |
| 2025-09-15 | Record daily precipitation | Turtle Lake, 69.9 mm (2.8 in) |
Notable Records
| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 15 September 2013 | Castle Rock, US | monthly rain | 71.1 mm (2.8 in) | 31.7 mm (1.2 in) | 110 years | 90 of 100 (Exceptional) |
| 15 September 2004 | Primghar, US | monthly rain | 170.2 mm (6.7 in) | 57.2 mm (2.3 in) | 104 years | 90 of 100 (Exceptional) |
| 15 September 1993 | Gisborne, AU | monthly rain | 112.0 mm (4.4 in) | 56.9 mm (2.2 in) | 96 years | 89 of 100 (Exceptional) |
| 15 September 1988 | Lismore (Centre Street), AU | monthly rain | 170.8 mm (6.7 in) | 80.1 mm (3.2 in) | 88 years | 86 of 100 (Exceptional) |
| 15 September 1988 | Coraki Post Office, AU | monthly rain | 159.2 mm (6.3 in) | 47.9 mm (1.9 in) | 88 years | 85 of 100 (Exceptional) |
| 15 September 1988 | Woodburn Post Office, AU | monthly rain | 163.4 mm (6.4 in) | 48.1 mm (1.9 in) | 88 years | 84 of 100 (Exceptional) |
| 15 September 2017 | Broadus, US | monthly rain | 76.2 mm (3.0 in) | 21.6 mm (0.9 in) | 93 years | 81 of 100 (Exceptional) |
| 15 September 2025 | Turtle Lake, US | daily rain | 69.9 mm (2.8 in) | 53.4 mm (2.1 in) | 112 years | 80 of 100 (Exceptional) |
| 15 September 1993 | Yarram, AU | daily rain | 48.0 mm (1.9 in) | 32.0 mm (1.3 in) | 101 years | 80 of 100 (Exceptional) |
| 15 September 1993 | Durdidwarrah, AU | daily rain | 57.6 mm (2.3 in) | 44.6 mm (1.8 in) | 100 years | 80 of 100 (Exceptional) |
| 15 September 1997 | Faulkton, US | daily rain | 88.9 mm (3.5 in) | 59.4 mm (2.3 in) | 100 years | 80 of 100 (Exceptional) |
| 15 September 1959 | Manawar, IN | all-time rain | 383.5 mm (15.1 in) | 162.5 mm (6.4 in) | 53 years | 80 of 100 (Exceptional) |
| 15 September 1976 | Orskar_A, SE | all-time rain | 73.5 mm (2.9 in) | 21.8 mm (0.9 in) | 38 years | 80 of 100 (Exceptional) |
| 15 September 2005 | Paia 406, US | monthly rain | 91.4 mm (3.6 in) | 49.5 mm (1.9 in) | 65 years | 79 of 100 (Major) |
| 15 September 1992 | Chariton 1 E, US | daily rain | 176.5 mm (6.9 in) | 106.6 mm (4.2 in) | 96 years | 78 of 100 (Major) |
| 15 September 1986 | Zerbst, DE | daily rain | 36.2 mm (1.4 in) | 23.0 mm (0.9 in) | 94 years | 78 of 100 (Major) |
| 15 September 1988 | Green Mountains, AU | monthly rain | 113.0 mm (4.4 in) | 59.2 mm (2.3 in) | 71 years | 78 of 100 (Major) |
| 15 September 1999 | Wilmington Intl AP, US | all-time rain | 339.9 mm (13.4 in) | 149.7 mm (5.9 in) | 40 years | 77 of 100 (Major) |
| 15 September 2016 | Gumbardo, AU | daily rain | 63.4 mm (2.5 in) | 43.8 mm (1.7 in) | 96 years | 76 of 100 (Major) |
| 15 September 2005 | Jagdalpur, IN | daily rain | 148.1 mm (5.8 in) | 102.4 mm (4.0 in) | 92 years | 76 of 100 (Major) |
Events
Storms
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 (12 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2026-10-12).