Kerrville Weather in September

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

The climate in Kerrville during September can be summarized as hot and a little damp.

September is in the fall / autumn in Kerrville and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 31°C (88°F), whilst at night 18°C (65°F) is normal.

Kerrville weather averages (imperial / metric)
Daytime temperature 30.9°C 87.5°F
Nightly temperature 18.2°C 64.7°F
Average temperature 24.5°C 76.1°F
Daily sunshine 8.2 hrs
Avg rainfall 91 mm 3.6 ins
Rainy days 7 days
Sea temperature 28.3°C 82.9°F
Humidity 67%
Windspeed 15.1kph 9 mph

On average September is the 2nd wettest month of the year in Kerrville with around 91mm 3.6 inches of rain making it a a little damp 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 8.2 hours of sunshine per day.

September temperatures in Kerrville

Kerrville average temperature in September

September rainfall

Kerrville average rain in September

September hourly sunshine

Kerrville 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 Kerrville 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

Kerrville weather stats

Kerrville weather statistics
Hottest month: July 33.6°C 92.5°F
Driest month: January 37mm 1.5ins
Sunniest month: July 10.4hrs
Coldest month: January 14.8°C 58.6°F
Wettest month: May 94mm 3.7ins
Map showing location of Kerrville (30.04743, -99.14032) Kerrville map pin © Google

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