Temperature in Arizona in September

Daytime highs, nighttime lows and the warmest cities in Arizona, the United States of America this September.

Arizona, the United States of America, a region in the United States of America, experiences maximum daytime temperatures in September ranging from 20°C (68°F) in Greer to 39°C (102°F) in Yuma. Nighttime temperatures generally drop to 25°C (77°F) in Yuma and 6°C (43°F) in Greer.

What is the temperature of the different cities in Arizona, the United States of America in September?

Explore the map below to discover average September temperatures at the top destinations in Arizona. For a deeper dive, simply click on any destination dot.

Select a Month

Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Arizona, check out our Arizona's climate page.

See also: Arizona weather by month.

Best Places to Visit in Arizona in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Arizona.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in September: blue is cold, red is hot.

See all September weather averages, cities and regions in Arizona

Arizona temperatures in September: frequently asked questions

How hot does it get in Arizona, the United States of America in September?

Daytime temperatures in Phoenix typically peak at 38°C (100°F) in September, putting it in the extremely high range.

How cold does it get at night in Arizona, the United States of America in September?

Nighttime temperatures in Phoenix typically drop to around 24°C (75°F) in September.

What is the warmest city in September in Arizona, the United States of America?

According to our recent database analysis, Yuma is the warmest city. It experiences an average maximum daytime temperature of approximately 39°C (102°F) and rarely drops below 25°C (77°F) during the night.

What is the coldest city in September in Arizona, the United States of America?

For the month of September, Greer is the most temperate city in Arizona, the United States of America based on our records. Highs average 20°C (68°F) and nighttime temperatures dip to around 6°C (43°F).

How much sun does Arizona, the United States of America get in September?

Phoenix enjoys approximately 328 hours of sunshine, offering a mostly sunny climate that adds a pleasant and vibrant feel to the month.

Interested in more climate information?

We have much more information about the climate in Arizona.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

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