Junction Weather in September

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

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

September is in the fall / autumn in Junction and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 31°C (87°F), whilst at night 19°C (65°F) is normal.

Junction weather averages (imperial / metric)
Daytime temperature 30.8°C 87.4°F
Nightly temperature 18.5°C 65.2°F
Average temperature 24.6°C 76.3°F
Daily sunshine 8.2 hrs
Avg rainfall 68 mm 2.7 ins
Rainy days 7 days
Sea temperature 28.3°C 82.9°F
Humidity 66%
Windspeed 15.1kph 9 mph

On average September is the 2nd wettest month of the year in Junction with around 68mm 2.7 inches of rain making it a reasonably dry 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 Junction

Junction average temperature in September

September rainfall

Junction average rain in September

September hourly sunshine

Junction 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 Junction 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

Junction weather stats

Junction weather statistics
Hottest month: July 34.1°C 93.4°F
Driest month: December 24mm 0.9ins
Sunniest month: July 10.5hrs
Coldest month: January 14.7°C 58.5°F
Wettest month: May 75mm 3ins
Map showing location of Junction (30.48936, -99.77201) Junction map pin © Google

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