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Phoenix weather in September (Arizona, United States of America)

How's the weather trend in Phoenix as September approaches? Check out our in-depth weather guide for this month.

Temperatures

The month of September in Phoenix typically includes extremely high temperatures and low rainfall. Throughout the day, temperatures can rise to about 38°C. At night, they generally drop to 24°C.

Precipitation

Phoenix in September usually receives low rainfall, averaging around 23 mm for the month. Expect around 4 days of rain based on historical data.

Average sunshine

There are approximately 328 hours of sunshine this month, resulting in mostly clear, pleasant days.

If you prefer dry days with pleasant temperatures, January, February, March, April, October, November and December typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Phoenix's climate page.

Phoenix, monthly averages in September

Min TemperatureMin Temperature 24°C  
Max TemperatureMax Temperature 38°C  
Chance of RainChance of Rain 12%  
PrecipitationPrecipitation 23 mm  
Rainy daysRainy days 4 days  
HumidityHumidity 35%  
SunshineSunshine 328 hours  
Percentage SunshinePercentage Sunshine 89%  

Where to go in the United States of America in September

Find out more about the weather in the United States of America and which places have the best travel conditions in this month.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United States of America, check out our Phoenix's climate page.

So, what should you wear in this month?

It's going to be warm! Consider airy clothing, t-shirts, and other summer clothes. Shorts for men made of cotton or linen are good options for staying cool.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
10/10
Camping
10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Phoenix.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.