Weather on September 17 in Warsaw

Historical weather data for September 17 in Warsaw, Poland

Avg High18°C (64°F)
Avg Low8°C (47°F)
Warmest201523°C
Coldest19717°C

Based on 55 years of data from OKECIE

About This Date

September 17th in Warsaw, Poland typically brings mild fall weather, with average highs around 18°C and lows near 8°C. Over 55 years of records, the warmest September 17th was in 2015 (23°C average), while the coldest was 1971 (7°C) — a 30°F range across recorded history. Rain or other precipitation has occurred on about 35% of September 17th dates historically, with the wettest September 17th recording 1.75" of rain. The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 6.5°F warmer on this date compared to 20-30 years ago.

Planning for September 17th in Warsaw? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecip
202517°C (62°F)11°C (51°F)0.9"
202426°C (79°F)14°C (57°F)0"
202326°C (79°F)12°C (53°F)0.03"
2022--8°C (46°F)--
202118°C (65°F)14°C (58°F)0.91"
202023°C (73°F)--0"
201916°C (60°F)7°C (44°F)0.41"
201823°C (74°F)8°C (47°F)0"
201715°C (59°F)--0.03"
2016--11°C (52°F)0"
201529°C (85°F)17°C (63°F)0"
201421°C (69°F)9°C (48°F)0"
201316°C (60°F)--0.23"
201222°C (71°F)--0"
201119°C (66°F)3°C (37°F)0"
201018°C (65°F)8°C (46°F)0.23"
200921°C (69°F)12°C (53°F)0"
200811°C (52°F)--0.05"
200723°C (74°F)--0"
200622°C (71°F)11°C (51°F)0"
2005--7°C (44°F)1.75"
200417°C (62°F)2°C (35°F)0"
2003--9°C (49°F)--
200217°C (63°F)8°C (47°F)0.03"
200116°C (60°F)10°C (50°F)--
200013°C (55°F)--0.03"
199919°C (66°F)6°C (43°F)0"
199816°C (61°F)--0.79"
199722°C (71°F)7°C (45°F)0"
199612°C (54°F)--0.05"
199514°C (57°F)8°C (47°F)0.4"
199417°C (63°F)8°C (46°F)0.3"
199314°C (58°F)9°C (49°F)--
199216°C (61°F)12°C (53°F)0"
199122°C (71°F)----
199014°C (58°F)----
198922°C (71°F)12°C (53°F)--
198816°C (61°F)9°C (48°F)--
198717°C (63°F)3°C (38°F)0"
198614°C (58°F)--0"
198514°C (58°F)10°C (50°F)0.05"
198413°C (56°F)11°C (51°F)0"
198319°C (66°F)13°C (55°F)0.7"
198220°C (68°F)--0"
198113°C (55°F)3°C (37°F)0.2"
198017°C (63°F)5°C (41°F)0"
197914°C (57°F)5°C (41°F)0"
197821°C (70°F)6°C (43°F)0"
197713°C (55°F)3°C (37°F)0"
197622°C (72°F)10°C (50°F)0.41"
197525°C (77°F)7°C (45°F)0"
197420°C (68°F)7°C (45°F)0"
197317°C (63°F)5°C (41°F)0"
197213°C (55°F)11°C (51°F)0"
197111°C (52°F)2°C (36°F)0"

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