Downtown Whitefish and the mountains in a historical 2006 photograph

Weather · September

Whitefish weather in September

Average highs of 69°F, lows of 40°F and 1.2 in of rain, from 30 years of weather records.

September is Whitefish’s 4th warmest month, with average highs of 69°F and lows of 40°F. That is 11° cooler than August, and 15° above the yearly average high.

Average high
69°F
Average low
40°F
Precipitation
1.2 in
Wet days
8
Sunrise · sunset
7:13 AM · 7:51 PM

September across the year

  1. 29°16°Jan
  2. 34°16°Feb
  3. 43°23°Mar
  4. 53°30°Apr
  5. 64°39°May
  6. 70°45°Jun
  7. 81°50°Jul
  8. 80°48°Aug
  9. 69°40°Sep
  10. 53°31°Oct
  11. 38°24°Nov
  12. 29°18°Dec

High and low Rain

What to wear in September

  • Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.

September is good for

What’s on in Whitefish in September

See all upcoming events.

See Whitefish

A look around town before you go.

Whitefish Montana Downtown Walk | USA video thumbnail

A WALK AROUND TOWN

Whitefish Montana Downtown Walk | USA

A recorded city visit shared by Walking Beaver. This is not a live camera or current conditions report.

Watch on YouTube ↗
Favorite Things to do in Whitefish, MT video thumbnail

THINGS TO DO · YOUTUBE SHORT

Favorite Things to do in Whitefish, MT

A Whitefish-area travel Short shared by javbrod, including a side trip to Glacier National Park. The park is outside Whitefish.

Watch on YouTube ↗

September compared with the months around it

MonthHighLowRain
August80°F48°F0.90 in
September69°F40°F1.2 in
October53°F31°F1.4 in

Planning a trip? See the best time to visit Whitefish and today’s forecast.

Questions

How hot does it get in Whitefish in September?

Average highs are 69°F and average lows 40°F, for a daily mean of 54°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Whitefish in September?

September averages 1.2 in of precipitation over about 8 days with at least 0.01 in. It is the 11th wettest month of the year.

What time is sunset in Whitefish in September?

Around mid-September the sun rises about 7:13 AM and sets about 7:51 PM, for roughly 12.6 hours of daylight.

Is September a good time to visit Whitefish?

Yes. September is one of the mildest months, with highs between 65°F and 85°F and little rain.

NOAA U.S. Climate Normals 1991–2020, Whitefish station (2.1 mi from downtown). Sunrise and sunset are calculated for September 15 at the city’s coordinates.

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