Finley Weather in September

What's the weather like in Finley (North Dakota) in September 2025?

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

September is in the fall / autumn in Finley and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 6°C (43°F) is normal.

Finley weather averages (imperial / metric)
Daytime temperature 20.4°C 68.7°F
Nightly temperature 6.2°C 43.2°F
Average temperature 13.3°C 55.9°F
Daily sunshine 7.7 hrs
Avg rainfall 48 mm 1.9 ins
Rainy days 8 days
Sea temperature 14.5°C 58.1°F
Humidity 69%
Windspeed 17.6kph 11 mph

On average September is the 5th wettest month of the year in Finley with around 48mm 1.9 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 7.7 hours of sunshine per day.

September temperatures in Finley

Finley average temperature in September

September rainfall

Finley average rain in September

September hourly sunshine

Finley 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 Finley 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

Finley weather stats

Finley weather statistics
Hottest month: July 27.5°C 81.5°F
Driest month: February 12mm 0.5ins
Sunniest month: July 11.6hrs
Coldest month: January -10.9°C 12.4°F
Wettest month: June 84mm 3.3ins
Map showing location of Finley (47.51416, -97.83593) Finley map pin © Google

Locations nearby

Top United States locations