Apache Junction Weather in September

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

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

September is in the fall / autumn in Apache Junction and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 36°C (96°F), whilst at night 19°C (67°F) is normal.

Apache Junction weather averages (imperial / metric)
Daytime temperature 35.6°C 96.1°F
Nightly temperature 19.4°C 66.9°F
Average temperature 27.5°C 81.5°F
Daily sunshine 11.6 hrs
Avg rainfall 24 mm 1 ins
Rainy days 4 days
Sea temperature 21.6°C 70.9°F
Humidity 39%
Windspeed 12.6kph 8 mph

On average September is the 5th driest month of the year in Apache Junction with around 24mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 4 days, although this may vary considerably.

On the flip side this corresponds to an average of 11.6 hours of sunshine per day.

September temperatures in Apache Junction

Apache Junction average temperature in September

September rainfall

Apache Junction average rain in September

September hourly sunshine

Apache 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 Apache Junction in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

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Current (hourly) weather 15 day forecast

Apache Junction weather stats

Apache Junction weather statistics
Hottest month: July 39.7°C 103.5°F
Driest month: June 4mm 0.2ins
Sunniest month: June 14.4hrs
Coldest month: January 17.4°C 63.3°F
Wettest month: December 40mm 1.6ins
Map showing location of Apache Junction (33.41505, -111.54958) Apache Junction map pin © Google

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