Built 2026-10-19 (19 October 2026)

On This Day, 1 September: Notable Weather Records

20 notable weather records on 1 September across the years, led by Olga 2 SE, US, with events and storms for the date.

Key Facts for 1 September

  • 20 notable weather records were set or tied on 1 September in 14 years (1977 to 2021).
  • Olga 2 SE set a monthly record daily precipitation of 63.5 mm (2.5 in) on 1 September 1983.
  • 2 extreme weather events peaked on 1 September.
  • 5 named storms were active on 1 September.

Records on 1 September Through the Years

1977 to 2021
Notable records on 1 September by year and type 20 notable records were set or tied on 1 September between 1977 and 2021. Each dot is a record, in the lane of its type. Record daily precipitation1 September 1983: Olga 2 SE, 63.5 mm (2.5 in)1 September 2002: Snow Hill 4 N, 363.5 mm (14.3 in)1 September 2014: Hvar, 112.1 mm (4.4 in)1 September 2006: Washington Wwtp 4W, 165.6 mm (6.5 in)1 September 2021: Irvinebank, 41.2 mm (1.6 in)1 September 2012: Mexico, 129.5 mm (5.1 in)1 September 1996: Darkes Forest (Kintyre), 101.8 mm (4.0 in)1 September 1997: Valley City 3 NNW, 77.0 mm (3.0 in)1 September 1977: Wittenberg, 68.7 mm (2.7 in)1 September 1982: Andrews, 228.1 mm (9.0 in)1 September 1998: La Ribera, 386.3 mm (15.2 in)1 September 2006: Painter 2 W, 245.6 mm (9.7 in)1 September 2021: Ny City Cntrl Park, 181.1 mm (7.1 in)1 September 1996: Eugowra Post Office, 72.4 mm (2.9 in)1 September 2021: Daroca, 95.2 mm (3.7 in)1 September 2018: Budapest, 48.4 mm (1.9 in)1 September 2017: Franklin Sewage Plt, 120.4 mm (4.7 in)1 September 2017: Jackson Exp STN, 122.4 mm (4.8 in)1 September 1986: Sandy Lake Dam Libby, 107.7 mm (4.2 in)1 September 1996: Snowball, 71.0 mm (2.8 in)19801990200020102020
20 notable records were set or tied on 1 September between 1977 and 2021. Each dot is a record, in the lane of its type.
Notable records on 1 September by year and type
DateKindDetail
1977-09-01Record daily precipitationWittenberg, 68.7 mm (2.7 in)
1982-09-01Record daily precipitationAndrews, 228.1 mm (9.0 in)
1983-09-01Record daily precipitationOlga 2 SE, 63.5 mm (2.5 in)
1986-09-01Record daily precipitationSandy Lake Dam Libby, 107.7 mm (4.2 in)
1996-09-01Record daily precipitationDarkes Forest (Kintyre), 101.8 mm (4.0 in)
1996-09-01Record daily precipitationEugowra Post Office, 72.4 mm (2.9 in)
1996-09-01Record daily precipitationSnowball, 71.0 mm (2.8 in)
1997-09-01Record daily precipitationValley City 3 NNW, 77.0 mm (3.0 in)
1998-09-01Record daily precipitationLa Ribera, 386.3 mm (15.2 in)
2002-09-01Record daily precipitationSnow Hill 4 N, 363.5 mm (14.3 in)
2006-09-01Record daily precipitationWashington Wwtp 4W, 165.6 mm (6.5 in)
2006-09-01Record daily precipitationPainter 2 W, 245.6 mm (9.7 in)
2012-09-01Record daily precipitationMexico, 129.5 mm (5.1 in)
2014-09-01Record daily precipitationHvar, 112.1 mm (4.4 in)
2017-09-01Record daily precipitationFranklin Sewage Plt, 120.4 mm (4.7 in)
2017-09-01Record daily precipitationJackson Exp STN, 122.4 mm (4.8 in)
2018-09-01Record daily precipitationBudapest, 48.4 mm (1.9 in)
2021-09-01Record daily precipitationIrvinebank, 41.2 mm (1.6 in)
2021-09-01Record daily precipitationNy City Cntrl Park, 181.1 mm (7.1 in)
2021-09-01Record daily precipitationDaroca, 95.2 mm (3.7 in)

Notable Records

Notable records on 1 September, by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
1 September 1983Olga 2 SE, USmonthly rain63.5 mm (2.5 in)24.9 mm (1.0 in)91 years86 of 100 (Exceptional)
1 September 2002Snow Hill 4 N, USall-time rain363.5 mm (14.3 in)133.1 mm (5.2 in)49 years82 of 100 (Exceptional)
1 September 2014Hvar, HRdaily rain112.1 mm (4.4 in)86.9 mm (3.4 in)128 years80 of 100 (Exceptional)
1 September 2006Washington Wwtp 4W, USdaily rain165.6 mm (6.5 in)129.3 mm (5.1 in)112 years80 of 100 (Exceptional)
1 September 2021Irvinebank, AUdaily rain41.2 mm (1.6 in)37.6 mm (1.5 in)107 years80 of 100 (Exceptional)
1 September 2012Mexico, USdaily rain129.5 mm (5.1 in)100.3 mm (3.9 in)102 years80 of 100 (Exceptional)
1 September 1996Darkes Forest (Kintyre), AUdaily rain101.8 mm (4.0 in)66.2 mm (2.6 in)101 years80 of 100 (Exceptional)
1 September 1997Valley City 3 NNW, USdaily rain77.0 mm (3.0 in)61.5 mm (2.4 in)100 years80 of 100 (Exceptional)
1 September 1977Wittenberg, DEmonthly rain68.7 mm (2.7 in)23.0 mm (0.9 in)74 years80 of 100 (Exceptional)
1 September 1982Andrews, USall-time rain228.1 mm (9.0 in)77.2 mm (3.0 in)46 years80 of 100 (Exceptional)
1 September 1998La Ribera, MXall-time rain386.3 mm (15.2 in)188.4 mm (7.4 in)48 years79 of 100 (Major)
1 September 2006Painter 2 W, USall-time rain245.6 mm (9.7 in)88.6 mm (3.5 in)48 years79 of 100 (Major)
1 September 2021Ny City Cntrl Park, USdaily rain181.1 mm (7.1 in)83.6 mm (3.3 in)94 years78 of 100 (Major)
1 September 1996Eugowra Post Office, AUmonthly rain72.4 mm (2.9 in)28.5 mm (1.1 in)69 years78 of 100 (Major)
1 September 2021Daroca, ESall-time rain95.2 mm (3.7 in)14.2 mm (0.6 in)98 years77 of 100 (Major)
1 September 2018Budapest, HUdaily rain48.4 mm (1.9 in)28.7 mm (1.1 in)97 years77 of 100 (Major)
1 September 2017Franklin Sewage Plt, USdaily rain120.4 mm (4.7 in)74.2 mm (2.9 in)88 years76 of 100 (Major)
1 September 2017Jackson Exp STN, USdaily rain122.4 mm (4.8 in)69.8 mm (2.7 in)88 years76 of 100 (Major)
1 September 1986Sandy Lake Dam Libby, USmonthly rain107.7 mm (4.2 in)50.8 mm (2.0 in)57 years76 of 100 (Major)
1 September 1996Snowball, AUdaily rain71.0 mm (2.8 in)59.6 mm (2.3 in)98 years75 of 100 (Major)

Events

Storms

Download the Data

  • Data for records on 1 September: CSV or JSON. Field meanings are on the data page.

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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-17).