McAlester Weather in September

What's the weather like in McAlester (Oklahoma) in September 2025?

The climate in McAlester during September can be summarized as hot, humid and wet.

September is in the fall / autumn in McAlester and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (85°F), whilst at night 17°C (62°F) is normal.

McAlester weather averages (imperial / metric)
Daytime temperature 29.7°C 85.4°F
Nightly temperature 16.8°C 62.2°F
Average temperature 23.2°C 73.8°F
Daily sunshine 8.6 hrs
Avg rainfall 121 mm 4.8 ins
Rainy days 8 days
Sea temperature 23.4°C 74.2°F
Humidity 70%
Windspeed 14.4kph 9 mph

On average September is the 2nd wettest month of the year in McAlester with around 121mm 4.8 inches of rain making it a wet 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 8.6 hours of sunshine per day.

September temperatures in McAlester

McAlester average temperature in September

September rainfall

McAlester average rain in September

September hourly sunshine

McAlester 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 McAlester 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

McAlester weather stats

McAlester weather statistics
Hottest month: July 34.1°C 93.4°F
Driest month: January 52mm 2ins
Sunniest month: July 11.5hrs
Coldest month: January 9.4°C 48.9°F
Wettest month: May 152mm 6ins
Map showing location of McAlester (34.93343, -95.76971) McAlester map pin © Google

Locations nearby

Top United States locations