Mild
Average highs are around 22°C, so days are mild rather than hot.
September verdict
Billings, Montana, United States in September
Weather score59Good
Good for holiday weather
Average highs are around 22°C, so days are mild rather than hot. Sunshine averages 8.4h per day, so bright days are a strong part of the month. Rainfall averages 35mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
22°C
Rain
35mm
Sun
8.4h
Weather score
59
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 35mm, which is relatively low for holiday planning.
Bright
Sunshine averages 8.4h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Billings, Montana, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September22°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 August
This stretch sets the upper range for average daytime heat.
Rain
September35mm average rain
September sits near Billings' yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to April and July to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September8.4 hours average sun
September sits close to Billings' yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Weather score
September59 weather score
September sits close to Billings' 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.
