Weather on September 1 at Glacier

Glacier National Park

MTRocky Mountain4,500 ft elevation
Avg High76°F
Avg Low44°F
Warmest202272°F
Coldest197545°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 1st in Glacier National Park (via Kalispell, MT) typically brings pleasant fall weather, with average highs around 76°F and lows near 44°F — a 32°F daily swing. Over 55 years of records, the warmest September 1st was in 2022 (72°F average), while the coldest was 1975 (45°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 33% of September 1st dates historically, with the wettest September 1st recording 1.24" of rain. The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.5°F warmer on this date compared to 20-30 years ago.

Planning for September 1st in Glacier? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202594°F50°F0"0"
202486°F48°F0"0"
202380°F49°F0"0"
202293°F51°F0"0"
202171°F36°F0"0"
202083°F45°F0"0"
201988°F52°F0.03"0"
201876°F41°F0"0"
201789°F40°F0"0"
201682°F48°F0"0"
201581°F43°F0"0"
201470°F49°F0.03"0"
201391°F43°F0"0"
201277°F42°F0"0"
201166°F44°F0.36"0"
201066°F40°F0.38"0"
200987°F49°F0"0"
200861°F43°F0.1"0"
200782°F48°F0.03"0"
200670°F32°F0"0"
200577°F33°F0"0"
200476°F51°F0.79"--
200387°F39°F0"--
200274°F53°F0"--
200181°F55°F0"--
200062°F52°F1.24"--
199965°F32°F0"--
199891°F45°F0"0"
199784°F50°F0"0"
199669°F36°F0"0"
199583°F38°F0"0"
199475°F38°F0"0"
199371°F46°F0.28"0"
199279°F41°F0"0"
199176°F48°F0"0"
199077°F38°F0"0"
198976°F41°F0.56"0"
198885°F37°F0"0"
198787°F47°F0"0"
198669°F44°F0.74"0"
198573°F36°F0"0"
198465°F49°F0"0"
198382°F56°F0.94"0"
198277°F37°F0"0"
198169°F54°F0.23"0"
198062°F39°F0.81"0"
197975°F43°F0"0"
197871°F55°F0.15"0"
197768°F37°F0"0"
197685°F50°F0"0"
197555°F36°F0.2"0"
197469°F41°F0.05"--
197368°F42°F0"--
197278°F39°F0"--
197160°F46°F0.03"--

September 1 at Nearby Parks

Holiday Weather at Glacier

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

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