On This Day, 12 September: Notable Weather Records
20 notable weather records on 12 September across the years, led by Boulder, US, with events and storms for the date.
Key Facts for 12 September
- 20 notable weather records were set or tied on 12 September in 13 years (1952 to 2022).
- Boulder set an all-time record daily precipitation of 230.6 mm (9.1 in) on 12 September 2013.
- 6 extreme weather events peaked on 12 September.
- 7 named storms were active on 12 September.
Records on 12 September Through the Years
1952 to 2022| Date | Kind | Detail |
|---|---|---|
| 1952-09-12 | Record daily precipitation | Lichtentanne, 74.3 mm (2.9 in) |
| 1978-09-12 | Record daily precipitation | Jagdalpur, 340.1 mm (13.4 in) |
| 1978-09-12 | Record daily precipitation | Lisbon, 152.4 mm (6.0 in) |
| 1988-09-12 | Record daily precipitation | Nordby (Fano), 47.5 mm (1.9 in) |
| 1989-09-12 | Record daily precipitation | Sotchi, 143.0 mm (5.6 in) |
| 1993-09-12 | Record daily precipitation | Shahat, 59.9 mm (2.4 in) |
| 1996-09-12 | Record daily precipitation | Orebro, 55.0 mm (2.2 in) |
| 2006-09-12 | Record daily precipitation | Gabes, 93.0 mm (3.7 in) |
| 2009-09-12 | Record daily precipitation | Jarrell, 364.0 mm (14.3 in) |
| 2013-09-12 | Record daily precipitation | Boulder, 230.6 mm (9.1 in) |
| 2013-09-12 | Record daily precipitation | Canon City, 86.4 mm (3.4 in) |
| 2013-09-12 | Record daily precipitation | Goodland, 104.4 mm (4.1 in) |
| 2013-09-12 | Record daily precipitation | Randolph, 32.5 mm (1.3 in) |
| 2017-09-12 | Record daily precipitation | Rome, 104.4 mm (4.1 in) |
| 2019-09-12 | Record daily precipitation | Murcia/Alcantarilla, 179.7 mm (7.1 in) |
| 2019-09-12 | Record daily precipitation | Brookings 2 NE, 79.8 mm (3.1 in) |
| 2019-09-12 | Record daily precipitation | Flandreau, 116.3 mm (4.6 in) |
| 2020-09-12 | Record daily precipitation | Key W Intl AP, 238.0 mm (9.4 in) |
| 2022-09-12 | Record daily precipitation | Racine Wwtp, 171.5 mm (6.8 in) |
| 2022-09-12 | Record daily precipitation | Lake Mills Wwtp, 118.9 mm (4.7 in) |
Notable Records
| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 12 September 2013 | Boulder, US | all-time rain | 230.6 mm (9.1 in) | 108.7 mm (4.3 in) | 94 years | 98 of 100 (Exceptional) |
| 12 September 2022 | Racine Wwtp, US | all-time rain | 171.5 mm (6.8 in) | 49.6 mm (2.0 in) | 75 years | 88 of 100 (Exceptional) |
| 12 September 2013 | Canon City, US | monthly rain | 86.4 mm (3.4 in) | 38.1 mm (1.5 in) | 83 years | 84 of 100 (Exceptional) |
| 12 September 2009 | Jarrell, US | all-time rain | 364.0 mm (14.3 in) | 174.5 mm (6.9 in) | 55 years | 84 of 100 (Exceptional) |
| 12 September 2019 | Murcia/Alcantarilla, ES | all-time rain | 179.7 mm (7.1 in) | 43.7 mm (1.7 in) | 75 years | 82 of 100 (Exceptional) |
| 12 September 2013 | Goodland, US | monthly rain | 104.4 mm (4.1 in) | 38.1 mm (1.5 in) | 73 years | 81 of 100 (Exceptional) |
| 12 September 1996 | Orebro, SE | daily rain | 55.0 mm (2.2 in) | 37.1 mm (1.5 in) | 129 years | 80 of 100 (Exceptional) |
| 12 September 2006 | Gabes, TN | daily rain | 93.0 mm (3.7 in) | 93.0 mm (3.7 in) | 118 years | 80 of 100 (Exceptional) |
| 12 September 2019 | Brookings 2 NE, US | daily rain | 79.8 mm (3.1 in) | 51.4 mm (2.0 in) | 116 years | 80 of 100 (Exceptional) |
| 12 September 2017 | Rome, US | daily rain | 104.4 mm (4.1 in) | 75.2 mm (3.0 in) | 112 years | 80 of 100 (Exceptional) |
| 12 September 2022 | Lake Mills Wwtp, US | daily rain | 118.9 mm (4.7 in) | 60.5 mm (2.4 in) | 107 years | 80 of 100 (Exceptional) |
| 12 September 1988 | Nordby (Fano), DK | daily rain | 47.5 mm (1.9 in) | 24.9 mm (1.0 in) | 102 years | 80 of 100 (Exceptional) |
| 12 September 1978 | Jagdalpur, IN | all-time rain | 340.1 mm (13.4 in) | 136.9 mm (5.4 in) | 47 years | 80 of 100 (Exceptional) |
| 12 September 2013 | Randolph, US | daily rain | 32.5 mm (1.3 in) | 26.1 mm (1.0 in) | 98 years | 79 of 100 (Major) |
| 12 September 1952 | Lichtentanne, DE | monthly rain | 74.3 mm (2.9 in) | 29.1 mm (1.1 in) | 69 years | 79 of 100 (Major) |
| 12 September 1989 | Sotchi, RU | daily rain | 143.0 mm (5.6 in) | 90.0 mm (3.5 in) | 94 years | 78 of 100 (Major) |
| 12 September 2020 | Key W Intl AP, US | monthly rain | 238.0 mm (9.4 in) | 84.1 mm (3.3 in) | 71 years | 78 of 100 (Major) |
| 12 September 1978 | Lisbon, US | all-time rain | 152.4 mm (6.0 in) | 41.4 mm (1.6 in) | 37 years | 78 of 100 (Major) |
| 12 September 2019 | Flandreau, US | daily rain | 116.3 mm (4.6 in) | 77.4 mm (3.0 in) | 90 years | 77 of 100 (Major) |
| 12 September 1993 | Shahat, LY | monthly rain | 59.9 mm (2.4 in) | 29.4 mm (1.2 in) | 68 years | 77 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).