Cool
Average highs are around 20°C, so pack for cooler days.
September verdict
Kalispell, Montana, United States in September
Weather score45Mixed
Mixed for holiday weather
Average highs are around 20°C, so pack for cooler days. Sunshine averages 7.5h per day, enough for a balanced month. Rainfall averages 35mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
20°C
Rain
35mm
Sun
7.5h
Weather score
45
Mixed
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 35mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.5h per day, enough for a balanced month.
Map
Weather map
Compare Kalispell, Montana, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September20°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September35mm average rain
September sits on the drier side of Kalispell's year, which helps with sightseeing and transfers.
Driest monthsJanuary to May and July to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7.5 hours average sun
September sits close to Kalispell's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJuly to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September45 weather score
September sits close to Kalispell's yearly weather-score average, giving a typical overall read on the month.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
