Alexandria Weather in September

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

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

September is in the fall / autumn in Alexandria and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 20°C (69°F), whilst at night 9°C (48°F) is normal.

Alexandria weather averages (imperial / metric)
Daytime temperature 20.4°C 68.6°F
Nightly temperature 9.1°C 48.3°F
Average temperature 14.7°C 58.5°F
Daily sunshine 8.2 hrs
Avg rainfall 64 mm 2.5 ins
Rainy days 9 days
Sea temperature 16°C 60.8°F
Humidity 72%
Windspeed 18kph 11 mph

On average September is the 5th wettest month of the year in Alexandria with around 64mm 2.5 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 8.2 hours of sunshine per day.

September temperatures in Alexandria

Alexandria average temperature in September

September rainfall

Alexandria average rain in September

September hourly sunshine

Alexandria 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 Alexandria 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

Alexandria weather stats

Alexandria weather statistics
Hottest month: July 27.8°C 82°F
Driest month: February 17mm 0.7ins
Sunniest month: July 11.9hrs
Coldest month: January -8.9°C 16°F
Wettest month: June 109mm 4.3ins
Map showing location of Alexandria (45.88524, -95.37754) Alexandria map pin © Google

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