Brownsville Weather in September

What's the weather like in Brownsville (Kentucky) in September 2025?

The climate in Brownsville during September can be summarized as warm, humid and a little damp.

September is in the fall / autumn in Brownsville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (81°F), whilst at night 14°C (58°F) is normal.

Brownsville weather averages (imperial / metric)
Daytime temperature 27°C 80.6°F
Nightly temperature 14.2°C 57.6°F
Average temperature 20.6°C 69.1°F
Daily sunshine 8.3 hrs
Avg rainfall 94 mm 3.7 ins
Rainy days 8 days
Sea temperature 23.2°C 73.7°F
Humidity 74%
Windspeed 10.8kph 7 mph

On average September is the 3rd driest month of the year in Brownsville with around 94mm 3.7 inches of rain making it a a little damp 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 8.3 hours of sunshine per day.

September temperatures in Brownsville

Brownsville average temperature in September

September rainfall

Brownsville average rain in September

September hourly sunshine

Brownsville 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 Brownsville 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

Brownsville weather stats

Brownsville weather statistics
Hottest month: July 31°C 87.8°F
Driest month: October 76mm 3ins
Sunniest month: June 10.2hrs
Coldest month: January 5.2°C 41.4°F
Wettest month: May 125mm 4.9ins
Map showing location of Brownsville (37.19255, -86.26775) Brownsville map pin © Google

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