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Maricopa County weather in September

Are you planning a trip to Maricopa County in September and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Maricopa County in September?

Maricopa County is a region in the United States of America. September in Maricopa County generally has very warm temperatures, with low precipitation.

You can expect very warm maximum daytime temperatures of around 38°C and nighttime temperatures around 24°C in Phoenix. While the given temperatures for day and night are typical, there may be days that feel warmer. Make sure you're dressed in a way that keeps you cool and comfortable.

In September, precipitation varies across different areas. From low rainfall in Glendale with an average of 20 mm to low rainfall in Gilbert with 30 mm. The city Phoenix usually sees around 328 hours of sunlight, indicating many sunny days.

For specific regional insights in Maricopa County for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Maricopa County climate page.

Where to go in Maricopa County in September

Find the average weather conditions in September for the most popular destinations in Maricopa County on the map below. Click on a destination dot for more detailed information.

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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).

Popular destinations in Maricopa County

What is the weather like in September for the 5 most popular destinations in Maricopa County?

Average weather in Phoenix

In September Phoenix generally has very high temperatures with maximum daytime temperatures around 38°C, minimum nighttime temperatures around 24°C and low monthly rainfall. So on average the conditions are unpleasant that month.

Phoenix
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
40°C 
28°C 
360 hours 
32 mm 
6 days 
poor 
38°C 
24°C 
328 hours 
23 mm 
4 days 
October   >> October
>>  
32°C 
17°C 
309 hours 
8.2 mm 
2 days 
Climate in Phoenix

Average weather in Scottsdale

In September Scottsdale generally has very high temperatures with maximum daytime temperatures around 37°C, minimum nighttime temperatures around 24°C and low monthly rainfall. So on average the conditions are unpleasant that month.

Scottsdale
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
40°C 
27°C 
357 hours 
32 mm 
7 days 
poor 
37°C 
24°C 
328 hours 
23 mm 
4 days 
October   >> October
>>  
31°C 
17°C 
308 hours 
6.6 mm 
3 days 
Climate in Scottsdale

Average weather in Mesa

In September Mesa generally has very high temperatures with maximum daytime temperatures around 37°C, minimum nighttime temperatures around 23°C and low monthly rainfall. So on average the conditions are unpleasant that month.

Mesa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
40°C 
27°C 
357 hours 
31 mm 
6 days 
poor 
37°C 
23°C 
328 hours 
27 mm 
4 days 
October   >> October
>>  
32°C 
16°C 
308 hours 
10 mm 
2 days 
Climate in Mesa

Average weather in Chandler

In September Chandler generally has very high temperatures with maximum daytime temperatures around 37°C, minimum nighttime temperatures around 23°C and low monthly rainfall. So on average the conditions are unpleasant that month.

Chandler
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
40°C 
26°C 
357 hours 
29 mm 
7 days 
37°C 
23°C 
328 hours 
28 mm 
4 days 
October   >> October
>>  
32°C 
15°C 
308 hours 
8.9 mm 
3 days 
Climate in Chandler

Average weather in Glendale

In September Glendale generally has very high temperatures with maximum daytime temperatures around 37°C, minimum nighttime temperatures around 24°C and low monthly rainfall. So on average the conditions are unpleasant that month.

Glendale
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
40°C 
27°C 
360 hours 
30 mm 
7 days 
37°C 
24°C 
328 hours 
20 mm 
3 days 
October   >> October
>>  
32°C 
17°C 
309 hours 
11 mm 
3 days 
Climate in Glendale

Is your destination not in the list? Have a look at other destinations in Maricopa County, in the United States of America.

Is September the best time to visit Maricopa County?

In our opinion, September may not be the ideal time to visit Maricopa County due to the typically unpleasant weather in Phoenix.

Generally speaking, the best visiting conditions can be found in January, February, March, April, October, November and December offering mostly perfect weather in Phoenix. In contrast, August tends to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Maricopa County. Interested in the weather conditions in a specific month? Select the month below.

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  • 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.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.