Weather on September 12 in Warsaw
Historical weather data for September 12 in Warsaw, Poland
Based on 55 years of data from OKECIE
About This Date
September 12th in Warsaw, Poland typically brings mild fall weather, with average highs around 19°C and lows near 9°C. Over 55 years of records, the warmest September 12th was in 2023 (22°C average), while the coldest was 1973 (7°C) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 31% of September 12th dates historically, with the wettest September 12th recording 1.42" of rain. The last decade has been 7.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.2°F warmer on this date compared to 20-30 years ago.
Planning for September 12th in Warsaw? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Year by Year History
| Year | High | Low | Precip |
|---|---|---|---|
| 2025 | 23°C (73°F) | 11°C (51°F) | -- |
| 2024 | 23°C (74°F) | 11°C (52°F) | 0" |
| 2023 | 29°C (85°F) | 14°C (57°F) | 0" |
| 2022 | 15°C (59°F) | -- | 0.25" |
| 2021 | 23°C (74°F) | 14°C (57°F) | -- |
| 2020 | 24°C (75°F) | -- | 0" |
| 2019 | -- | 10°C (50°F) | 0" |
| 2018 | -- | 14°C (57°F) | 0" |
| 2017 | 21°C (69°F) | -- | 1.37" |
| 2016 | 29°C (84°F) | 12°C (54°F) | 0" |
| 2015 | 17°C (62°F) | 12°C (54°F) | 0.2" |
| 2014 | 26°C (79°F) | -- | 0" |
| 2013 | 16°C (61°F) | -- | 1.4" |
| 2012 | 22°C (72°F) | -- | 0.41" |
| 2011 | 24°C (76°F) | -- | 0" |
| 2010 | -- | 8°C (47°F) | 0" |
| 2009 | 19°C (67°F) | -- | 0" |
| 2008 | 14°C (58°F) | -- | 1.27" |
| 2007 | 17°C (63°F) | 7°C (44°F) | 0" |
| 2006 | 22°C (71°F) | 9°C (49°F) | 0" |
| 2005 | 26°C (79°F) | 14°C (57°F) | 0" |
| 2004 | 26°C (78°F) | 13°C (56°F) | -- |
| 2003 | 18°C (65°F) | -- | 1.42" |
| 2002 | 17°C (63°F) | 8°C (46°F) | 0" |
| 2001 | 13°C (56°F) | 10°C (50°F) | -- |
| 2000 | 18°C (64°F) | -- | -- |
| 1999 | 22°C (72°F) | 9°C (48°F) | 0" |
| 1998 | 24°C (75°F) | 16°C (60°F) | 0" |
| 1997 | 22°C (72°F) | 4°C (40°F) | 0" |
| 1996 | 14°C (58°F) | 1°C (34°F) | -- |
| 1995 | 24°C (76°F) | 12°C (53°F) | 0" |
| 1994 | 22°C (71°F) | 6°C (42°F) | -- |
| 1993 | -- | 6°C (43°F) | 0" |
| 1992 | 21°C (69°F) | 4°C (40°F) | 0" |
| 1991 | 17°C (63°F) | -- | -- |
| 1990 | 13°C (56°F) | -- | -- |
| 1989 | 17°C (63°F) | 6°C (43°F) | 0" |
| 1988 | 18°C (64°F) | -- | -- |
| 1987 | -- | 11°C (52°F) | 0" |
| 1986 | -- | 6°C (42°F) | 0" |
| 1985 | 15°C (59°F) | 10°C (50°F) | 0.1" |
| 1984 | 16°C (60°F) | -- | 0.53" |
| 1983 | -- | 13°C (55°F) | 0.05" |
| 1982 | -- | 10°C (50°F) | 0" |
| 1981 | 19°C (66°F) | -- | 0.3" |
| 1980 | 14°C (57°F) | -- | 0.3" |
| 1979 | 18°C (64°F) | -- | 0" |
| 1978 | 16°C (61°F) | -- | 0" |
| 1977 | 22°C (72°F) | 11°C (52°F) | 0.2" |
| 1976 | 22°C (72°F) | 5°C (41°F) | 0" |
| 1975 | 21°C (70°F) | 8°C (46°F) | 0.03" |
| 1974 | -- | 6°C (43°F) | 0" |
| 1973 | 12°C (54°F) | 2°C (36°F) | 0.3" |
| 1972 | 13°C (56°F) | 8°C (47°F) | 0.9" |
| 1971 | 16°C (60°F) | 4°C (40°F) | 0.2" |