Monahans Weather in September

What's the weather like in Monahans (Texas) in September 2025?

The climate in Monahans during September can be summarized as hot and reasonably dry.

September is in the fall / autumn in Monahans and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 31°C (88°F), whilst at night 17°C (62°F) is normal.

Monahans weather averages (imperial / metric)
Daytime temperature 31.3°C 88.3°F
Nightly temperature 16.7°C 62.1°F
Average temperature 24°C 75.2°F
Daily sunshine 9 hrs
Avg rainfall 55 mm 2.1 ins
Rainy days 6 days
Sea temperature 27°C 80.6°F
Humidity 60%
Windspeed 15.5kph 10 mph

On average September is the wettest month of the year in Monahans with around 55mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.

On the flip side this corresponds to an average of 9 hours of sunshine per day.

September temperatures in Monahans

Monahans average temperature in September

September rainfall

Monahans average rain in September

September hourly sunshine

Monahans 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 Monahans 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

Monahans weather stats

Monahans weather statistics
Hottest month: July 35.8°C 96.4°F
Driest month: March 8mm 0.3ins
Sunniest month: June 11.3hrs
Coldest month: January 14.9°C 58.8°F
Wettest month: September 55mm 2.2ins
Map showing location of Monahans (31.5943, -102.89265) Monahans map pin © Google

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