Whitefish Weather in September
September in Whitefish brings pleasant temperatures, with daytime highs of 22°C (72°F) and nights around 4°C (39°F). The perfect weather makes it a solid choice for a visit.
Rainfall in Whitefish in September
Based on our climate data of the past 30 years, about 9 days of rain are anticipated, with 31 mm (1.2 in) on average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Whitefish in September
September is a perfect month in Whitefish, with 22°C (72°F) during the day and 4°C (39°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 4°C (39°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Whitefish.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Whitefish's climate page.
Whitefish Temperature in September
Min Temperature
4°C (39°F)
Max Temperature
22°C (72°F)
Chance of Rain
30%
Precipitation
31 mm (1.2 in)
Rainy days
9 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Whitefish typically drop from around 24°C (75°F) at the start of September to approximately 19°C (66°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 8°C (46°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Whitefish in September
Browse day-by-day weather records for Whitefish spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Whitefish historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Whitefish.
- Whitefish recorded its highest September temperature of 36°C (97°F) on September 2, 1998.
- The lowest overnight temperature recorded in September was -8°C (18°F) (September 28, 1985).
Best Places in the United States of America in September
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Whitefish in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Light rain is possible, so consider bringing a small umbrella or rain jacket.What To Do in Whitefish in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Whitefish's climate page.
See the full Whitefish climate overview or explore weather in the United States of America.
