Clifton Weather in September

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

The climate in Clifton during September can be summarized as warm and reasonably dry.

September is in the fall / autumn in Clifton and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 29°C (84°F), whilst at night 12°C (53°F) is normal.

Clifton weather averages (imperial / metric)
Daytime temperature 29°C 84.2°F
Nightly temperature 11.6°C 52.9°F
Average temperature 20.3°C 68.5°F
Daily sunshine 10.8 hrs
Avg rainfall 40 mm 1.6 ins
Rainy days 6 days
Sea temperature 21.9°C 71.4°F
Humidity 48%
Windspeed 12.6kph 8 mph

On average September is the 3rd wettest month of the year in Clifton with around 40mm 1.6 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 10.8 hours of sunshine per day.

September temperatures in Clifton

Clifton average temperature in September

September rainfall

Clifton average rain in September

September hourly sunshine

Clifton 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 Clifton 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

Clifton weather stats

Clifton weather statistics
Hottest month: July 32.8°C 91°F
Driest month: May 7mm 0.3ins
Sunniest month: June 13.4hrs
Coldest month: January 12.1°C 53.8°F
Wettest month: August 65mm 2.6ins
Map showing location of Clifton (33.0509, -109.29618) Clifton map pin © Google

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