San Tan Valley Weather in September

What's the weather like in San Tan Valley (Arizona) in September 2024?

The climate in San Tan Valley during September can be summarized as very hot and dry.

September is in the fall / autumn in San Tan Valley and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a warm 36°C (97°F), whilst at night 20°C (67°F) is normal.

San Tan Valley weather averages (imperial / metric)
Daytime temperature 36.4°C 97.4°F
Nightly temperature 19.7°C 67.4°F
Average temperature 28°C 82.4°F
Daily sunshine 11.6 hrs
Avg rainfall 21 mm 0.8 ins
Rainy days 4 days
Sea temperature 21.6°C 70.9°F
Humidity 38%
Windspeed 12.6kph 8 mph

On average September is the 4th driest month of the year in San Tan Valley with around 21mm 0.8 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 San Tan Valley

San Tan Valley average temperature in September

September rainfall

San Tan Valley average rain in September

September hourly sunshine

San Tan Valley 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 San Tan Valley in September 2024.