Saint James Weather in September

What's the weather like in Saint James (Minnesota) in September 2025?

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

September is in the fall / autumn in Saint James and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 10°C (49°F) is normal.

Saint James weather averages (imperial / metric)
Daytime temperature 22.6°C 72.6°F
Nightly temperature 9.7°C 49.4°F
Average temperature 16.1°C 61°F
Daily sunshine 8.5 hrs
Avg rainfall 75 mm 3 ins
Rainy days 9 days
Sea temperature 17.4°C 63.4°F
Humidity 72%
Windspeed 17.6kph 11 mph

On average September is the 5th wettest month of the year in Saint James with around 75mm 3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.5 hours of sunshine per day.

September temperatures in Saint James

Saint James average temperature in September

September rainfall

Saint James average rain in September

September hourly sunshine

Saint James 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 Saint James 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

Saint James weather stats

Saint James weather statistics
Hottest month: July 28.8°C 83.8°F
Driest month: January 18mm 0.7ins
Sunniest month: July 11.8hrs
Coldest month: January -5.7°C 21.7°F
Wettest month: June 105mm 4.1ins
Map showing location of Saint James (43.98246, -94.62692) Saint James map pin © Google

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