Weather on September 11 in Warsaw
Historical weather data for September 11 in Warsaw, Poland
Based on 55 years of data from OKECIE
About This Date
September 11th in Warsaw, Poland typically brings mild fall weather, with average highs around 19°C and lows near 10°C. Over 55 years of records, the warmest September 11th was in 2012 (22°C average), while the coldest was 1977 (9°C) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 11th dates historically, with the wettest September 11th recording 2.8" of rain. The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
Planning for September 11th in Warsaw? Great weather for outdoor activities.
Year by Year History
| Year | High | Low | Precip (mm) |
|---|---|---|---|
| 2025 | 20°C (68°F) | 14°C (57°F) | -- |
| 2024 | 23°C (73°F) | 11°C (51°F) | 5 mm |
| 2023 | 29°C (84°F) | 12°C (53°F) | 0 mm |
| 2022 | 17°C (62°F) | 11°C (51°F) | 7 mm |
| 2021 | 26°C (79°F) | -- | -- |
| 2020 | -- | 7°C (44°F) | 0 mm |
| 2019 | 23°C (74°F) | 7°C (44°F) | 0 mm |
| 2018 | -- | 11°C (51°F) | 0 mm |
| 2017 | 23°C (74°F) | 15°C (59°F) | 28 mm |
| 2016 | -- | 13°C (56°F) | 0 mm |
| 2015 | -- | 12°C (53°F) | 0 mm |
| 2014 | 18°C (64°F) | -- | 1 mm |
| 2013 | 15°C (59°F) | 10°C (50°F) | 0 mm |
| 2012 | 31°C (87°F) | 13°C (55°F) | 0 mm |
| 2011 | 27°C (80°F) | -- | 0 mm |
| 2010 | 16°C (61°F) | -- | 0 mm |
| 2009 | 26°C (78°F) | 13°C (55°F) | 0 mm |
| 2008 | 18°C (65°F) | 12°C (53°F) | 0 mm |
| 2007 | 16°C (60°F) | -- | 14 mm |
| 2006 | -- | 7°C (45°F) | 0 mm |
| 2005 | 28°C (82°F) | -- | 1 mm |
| 2004 | 23°C (74°F) | 3°C (38°F) | 0 mm |
| 2003 | 17°C (62°F) | 12°C (54°F) | -- |
| 2002 | 21°C (69°F) | -- | 0 mm |
| 2001 | 14°C (58°F) | 9°C (49°F) | 3 mm |
| 2000 | 18°C (64°F) | 11°C (52°F) | -- |
| 1999 | -- | 13°C (55°F) | 0 mm |
| 1998 | 23°C (73°F) | 13°C (56°F) | 0 mm |
| 1997 | 16°C (61°F) | 8°C (46°F) | -- |
| 1996 | 13°C (56°F) | -- | 10 mm |
| 1995 | 21°C (70°F) | 8°C (46°F) | 0 mm |
| 1994 | 18°C (64°F) | -- | 1 mm |
| 1993 | 18°C (64°F) | 12°C (53°F) | 15 mm |
| 1992 | 20°C (68°F) | 7°C (44°F) | 0 mm |
| 1991 | -- | 11°C (52°F) | -- |
| 1990 | 14°C (58°F) | -- | 4 mm |
| 1989 | 17°C (63°F) | 10°C (50°F) | 0 mm |
| 1988 | 22°C (72°F) | 6°C (42°F) | 0 mm |
| 1987 | 19°C (66°F) | -- | 1 mm |
| 1986 | 15°C (59°F) | 9°C (48°F) | 0 mm |
| 1985 | 16°C (61°F) | 9°C (49°F) | 0 mm |
| 1984 | 16°C (61°F) | -- | -- |
| 1983 | 24°C (75°F) | -- | 0 mm |
| 1982 | 22°C (72°F) | 8°C (46°F) | 0 mm |
| 1981 | 19°C (66°F) | 14°C (57°F) | 0 mm |
| 1980 | 14°C (57°F) | 9°C (48°F) | 5 mm |
| 1979 | 19°C (66°F) | 8°C (46°F) | 0 mm |
| 1978 | 19°C (66°F) | 13°C (55°F) | 8 mm |
| 1977 | 13°C (55°F) | 6°C (43°F) | 0 mm |
| 1976 | 15°C (59°F) | -- | 0 mm |
| 1975 | 22°C (72°F) | 8°C (46°F) | 0 mm |
| 1974 | 20°C (68°F) | 7°C (45°F) | 0 mm |
| 1973 | 17°C (63°F) | 4°C (39°F) | 0 mm |
| 1972 | 22°C (71°F) | 12°C (54°F) | 71 mm |
| 1971 | 13°C (55°F) | 8°C (47°F) | 0 mm |