Parker Weather in September

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

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

September is in the fall / autumn in Parker and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (75°F), whilst at night 9°C (49°F) is normal.

Parker weather averages (imperial / metric)
Daytime temperature 23.9°C 74.9°F
Nightly temperature 9.4°C 48.8°F
Average temperature 16.6°C 61.9°F
Daily sunshine 8.9 hrs
Avg rainfall 67 mm 2.6 ins
Rainy days 8 days
Sea temperature 17.1°C 62.7°F
Humidity 69%
Windspeed 18kph 11 mph

On average September is the 5th wettest month of the year in Parker with around 67mm 2.6 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 8.9 hours of sunshine per day.

September temperatures in Parker

Parker average temperature in September

September rainfall

Parker average rain in September

September hourly sunshine

Parker 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 Parker 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

Parker weather stats

Parker weather statistics
Hottest month: July 30.4°C 86.7°F
Driest month: January 11mm 0.4ins
Sunniest month: July 12hrs
Coldest month: January -4°C 24.8°F
Wettest month: June 95mm 3.7ins
Map showing location of Parker (43.39748, -97.13645) Parker map pin © Google

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