Weather on September 25 at Gateway Arch

Gateway Arch National Park

MOMidwest450 ft elevation
Avg High77°F
Avg Low55°F
Warmest200781°F
Coldest200150°F

Based on 53 years of data from St. Louis, MO

Planning Your Visit

September 25th in Gateway Arch National Park (via St. Louis, MO) typically brings pleasant fall weather, with average highs around 77°F and lows near 55°F. Over 53 years of records, the warmest September 25th was in 2007 (81°F average), while the coldest was 2001 (50°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 19% of September 25th dates historically, with the wettest September 25th recording 2.69" of rain. The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 6.7°F warmer on this date compared to 20-30 years ago.

Planning for September 25th in Gateway Arch? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202578°F56°F0"0"
202479°F55°F0"0"
202388°F61°F0"0"
202279°F57°F0"0"
202174°F48°F0.13"0"
202080°F50°F0"0"
201979°F61°F0"0"
201885°F70°F0"0"
201791°F--0"0"
201691°F72°F0"0"
201584°F59°F0"0"
201479°F60°F0"0"
201382°F66°F0"0"
201273°F59°F0"0"
201167°F45°F0"--
201080°F52°F0"0"
200972°F65°F0.28"0"
200883°F58°F0"0"
200789°F73°F0"0"
200667°F46°F0"0"
200587°F68°F0.76"0"
200480°F58°F0"0"
200389°F54°F0.05"0"
200269°F46°F0"0"
200161°F39°F0"0"
200062°F48°F2.69"0"
199982°F51°F0"0"
199871°F63°F0"0"
199771°F46°F0"0"
199672°F46°F0"0"
199574°F48°F0"0"
199461°F50°F1.35"0"
199375°F55°F1.52"0"
199269°F60°F0"0"
199170°F45°F0"0"
199084°F53°F0"0"
198972°F38°F0"0"
198879°F46°F0"0"
198780°F49°F0"0"
198687°F72°F0"0"
198563°F44°F0.38"0"
198278°F54°F0"0"
198179°F55°F0"0"
198077°F59°F0.58"0"
197981°F49°F0"0"
197882°F58°F0"0"
197780°F59°F0"0"
197677°F51°F0.08"0"
197556°F49°F0"0"
197468°F38°F0"0"
197386°F69°F0"0"
197277°F71°F0"0"
197170°F--0"0"

September 25 at Nearby Parks

Holiday Weather at Gateway Arch

Official NPS WebsiteVisit nps.gov/jeff for park information, alerts, and reservations

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