Virginia City Weather in September

What's the weather like in Virginia City (Montana) in September 2025?

The climate in Virginia City during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Virginia City and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 19°C (65°F), whilst at night 2°C (35°F) is normal.

Virginia City weather averages (imperial / metric)
Daytime temperature 18.5°C 65.2°F
Nightly temperature 1.8°C 35.2°F
Average temperature 10.1°C 50.2°F
Daily sunshine 9.3 hrs
Avg rainfall 41 mm 1.6 ins
Rainy days 8 days
Sea temperature 14.3°C 57.7°F
Humidity 54%
Windspeed 14.4kph 9 mph

On average September is the 6th wettest month of the year in Virginia City with around 41mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.3 hours of sunshine per day.

September temperatures in Virginia City

Virginia City average temperature in September

September rainfall

Virginia City average rain in September

September hourly sunshine

Virginia City average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Virginia City in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Virginia City weather stats

Virginia City weather statistics
Hottest month: July 25°C 77°F
Driest month: February 31mm 1.2ins
Sunniest month: July 12.4hrs
Coldest month: January -2.7°C 27.1°F
Wettest month: June 71mm 2.8ins
Map showing location of Virginia City (45.29381, -111.94609) Virginia City map pin © Google

Locations nearby

Top United States locations