San Luis Weather in September

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

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

September is in the fall / autumn in San Luis and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a hot 39°C (102°F), whilst at night 21°C (70°F) is normal.

San Luis weather averages (imperial / metric)
Daytime temperature 38.7°C 101.6°F
Nightly temperature 21.4°C 70.4°F
Average temperature 30°C 86°F
Daily sunshine 11.7 hrs
Avg rainfall 6 mm 0.2 ins
Rainy days 1 days
Sea temperature 27.2°C 81°F
Humidity 47%
Windspeed 13kph 8 mph

On average September is the 5th wettest month of the year in San Luis with around 6mm 0.2 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 11.7 hours of sunshine per day.

September temperatures in San Luis

San Luis average temperature in September

September rainfall

San Luis average rain in September

September hourly sunshine

San Luis 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 Luis in September 2024.

Other monthly averages

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UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

San Luis weather stats

San Luis weather statistics
Hottest month: July 40.9°C 105.6°F
Driest month: May 1mm 0ins
Sunniest month: June 13.9hrs
Coldest month: January 20.3°C 68.5°F
Wettest month: January 9mm 0.4ins
Map showing location of San Luis (32.487, -114.78218) San Luis map pin © Google

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