Woonsocket Weather in September

What's the weather like in Woonsocket (South Dakota) in September 2025?

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

September is in the fall / autumn in Woonsocket and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (75°F), whilst at night 8°C (47°F) is normal.

Woonsocket weather averages (imperial / metric)
Daytime temperature 24°C 75.2°F
Nightly temperature 8.4°C 47.1°F
Average temperature 16.2°C 61.2°F
Daily sunshine 9.3 hrs
Avg rainfall 45 mm 1.8 ins
Rainy days 7 days
Sea temperature 16.3°C 61.3°F
Humidity 67%
Windspeed 18kph 11 mph

On average September is the 6th wettest month of the year in Woonsocket with around 45mm 1.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 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 Woonsocket

Woonsocket average temperature in September

September rainfall

Woonsocket average rain in September

September hourly sunshine

Woonsocket 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 Woonsocket 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

Woonsocket weather stats

Woonsocket weather statistics
Hottest month: July 30.7°C 87.3°F
Driest month: January 10mm 0.4ins
Sunniest month: July 12.5hrs
Coldest month: January -4.7°C 23.5°F
Wettest month: June 83mm 3.3ins
Map showing location of Woonsocket (44.0536, -98.27564) Woonsocket map pin © Google

Locations nearby

Top United States locations