Weather on September 30 at Glacier

Glacier National Park

MTRocky Mountain4,500 ft elevation
Avg High66°F
Avg Low36°F
Warmest197663°F
Coldest201935°F

Based on 55 years of data from Kalispell, MT

Elevation Note: Glacier sits at 4,500 ft. Expect temperatures 16°F cooler than the data shown below, which comes from Kalispell, MT at a lower elevation.

Planning Your Visit

September 30th in Glacier National Park (via Kalispell, MT) typically brings mild fall weather, with average highs around 66°F and lows near 36°F — a 30°F daily swing. Over 55 years of records, the warmest September 30th was in 1976 (63°F average), while the coldest was 2019 (35°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 27% of September 30th dates historically, with the wettest September 30th recording 1.09" of rain. The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.

The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.

Planning for September 30th in Glacier? Great weather for outdoor activities.

Year by Year History

YearHighLowPrecipSnow
202563°F44°F1.09"0"
202463°F27°F0"0"
202350°F44°F0.25"0"
202265°F39°F0"0"
202167°F28°F0"0"
202074°F38°F0"0"
201946°F24°F0"0"
201851°F31°F0"0"
201767°F38°F0.13"0"
201679°F41°F0.05"0"
201577°F27°F0"0"
201457°F44°F0.91"0"
201354°F40°F0.46"0"
201275°F39°F0"0"
201174°F30°F0"0"
201076°F39°F0"0"
200954°F36°F0.1"0"
200875°F35°F0"0"
200759°F29°F0.1"0"
200680°F33°F0"0"
200568°F51°F1.02"0"
200464°F44°F0"--
200367°F34°F0"--
200253°F39°F0.1"--
200172°F29°F0"--
200061°F46°F0.51"--
199962°F25°F0"--
199870°F40°F0"0"
199774°F37°F0"0"
199676°F35°F0"0"
199551°F39°F0.33"0"
199472°F34°F0"0"
199371°F39°F0"0"
199280°F37°F0"0"
199176°F38°F0"0"
199076°F34°F0"0"
198958°F44°F0.53"0"
198874°F35°F0"0"
198773°F32°F0"0"
198652°F44°F0.13"0"
198558°F22°F0"0"
198463°F25°F0"0"
198355°F37°F0"0"
198259°F28°F0"0"
198157°F35°F0"0"
198072°F37°F0"0"
197972°F33°F0"0"
197863°F35°F0"0"
197750°F37°F0.05"0"
197684°F41°F0"0"
197567°F34°F0"0"
197465°F32°F0"--
197370°F45°F0"--
197272°F28°F0"--
197155°F29°F0"--

September 30 at Nearby Parks

Holiday Weather at Glacier

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

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