Phoenix

Maricopa County Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Maricopa County, the United States of America in September.

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Phoenix Scottsdale Mesa Chandler

Planning a getaway to Maricopa County, the United States of America this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in Maricopa County in September

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

Temperatures

You can expect very hot maximum daytime temperatures of around 38°C (100°F) and nighttime temperatures around 24°C (75°F) 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.

To explore the conditions in Maricopa County, the United States of America in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Glendale with an average of 20 mm (0.8 in) to low rainfall in Gilbert with 30 mm (1.2 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Phoenix sees close to 328 hours of sunlight, making it great for sun lovers.

Explore Maricopa County by month

Pick a month to see the average temperature, rainfall and sunshine in Maricopa County — and find the best time to visit. (based on Phoenix)

January20°C (68°F) February22°C (72°F) March26°C (79°F) April30°C (86°F) May34°C (93°F) June40°C (104°F) This monthJuly41°C (106°F) August40°C (104°F) September38°C (100°F) October32°C (90°F) November25°C (77°F) December19°C (66°F)
Best Time to Visit Maricopa County →

Best Places to Visit in Maricopa County in September

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

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Maricopa County

What is the weather like in September for some of the most popular destinations in Maricopa County, the United States of America?

Temperature range in Maricopa County (September)

Precipitation variation in Maricopa County (September)

Phoenix

In September Phoenix generally has extremely high temperatures with maximum daytime temperatures around 38°C (100°F), minimum nighttime temperatures around 24°C (75°F) and low monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
40°C (104°F)
38°C (100°F)
32°C (90°F)
Min temperature
28°C (82°F)
24°C (75°F)
17°C (63°F)
Monthly sun hours
360 hours
328 hours
309 hours
Monthly rainfall
32 mm (1.3 in)
23 mm (0.9 in)
8.2 mm (0.3 in)
Monthly rainy days
6 days
4 days
2 days
Weather conditions
poor
unpleasant
perfect
Climate in Phoenix →

Scottsdale

In September Scottsdale generally has extremely high temperatures with maximum daytime temperatures around 37°C (99°F), minimum nighttime temperatures around 24°C (75°F) and low monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
40°C (104°F)
37°C (99°F)
31°C (88°F)
Min temperature
27°C (81°F)
24°C (75°F)
17°C (63°F)
Monthly sun hours
357 hours
328 hours
308 hours
Monthly rainfall
32 mm (1.3 in)
23 mm (0.9 in)
6.6 mm (0.3 in)
Monthly rainy days
7 days
4 days
3 days
Weather conditions
poor
unpleasant
perfect
Climate in Scottsdale →

Mesa

In September Mesa generally has extremely high temperatures with maximum daytime temperatures around 37°C (99°F), minimum nighttime temperatures around 23°C (73°F) and low monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
40°C (104°F)
37°C (99°F)
32°C (90°F)
Min temperature
27°C (81°F)
23°C (73°F)
16°C (61°F)
Monthly sun hours
357 hours
328 hours
308 hours
Monthly rainfall
31 mm (1.2 in)
27 mm (1.1 in)
10 mm (0.4 in)
Monthly rainy days
6 days
4 days
2 days
Weather conditions
poor
unpleasant
perfect
Climate in Mesa →

Chandler

In September Chandler generally has extremely high temperatures with maximum daytime temperatures around 37°C (99°F), minimum nighttime temperatures around 23°C (73°F) and low monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
40°C (104°F)
37°C (99°F)
32°C (90°F)
Min temperature
26°C (79°F)
23°C (73°F)
15°C (59°F)
Monthly sun hours
357 hours
328 hours
308 hours
Monthly rainfall
29 mm (1.1 in)
28 mm (1.1 in)
8.9 mm (0.4 in)
Monthly rainy days
7 days
4 days
3 days
Weather conditions
unpleasant
unpleasant
perfect
Climate in Chandler →

Glendale

In September Glendale generally has extremely high temperatures with maximum daytime temperatures around 37°C (99°F), minimum nighttime temperatures around 24°C (75°F) and low monthly rainfall. So on average the conditions are unpleasant that month.

« August
September
October »
August
September
October
Max temperature
40°C (104°F)
37°C (99°F)
32°C (90°F)
Min temperature
27°C (81°F)
24°C (75°F)
17°C (63°F)
Monthly sun hours
360 hours
328 hours
309 hours
Monthly rainfall
30 mm (1.2 in)
20 mm (0.8 in)
11 mm (0.4 in)
Monthly rainy days
7 days
3 days
3 days
Weather conditions
unpleasant
unpleasant
perfect
Climate in Glendale →

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

Popular cities in September

Day & night temperatures, rainfall and average weather in Maricopa County in September.

City Weather Day temp Night temp Rainfall
Phoenix 38°C (100°F) 24°C (75°F) 23 mm (0.9 in)
Scottsdale 37°C (99°F) 24°C (75°F) 23 mm (0.9 in)
Mesa 37°C (99°F) 23°C (73°F) 27 mm (1.1 in)
Chandler 37°C (99°F) 23°C (73°F) 28 mm (1.1 in)
Glendale 37°C (99°F) 24°C (75°F) 20 mm (0.8 in)
Gilbert 37°C (99°F) 23°C (73°F) 30 mm (1.2 in)

Maricopa County weather in September: frequently asked questions

What is the weather like in Maricopa County, the United States of America in September?

Maricopa County, the United States of America typically experiences poor weather in September, part of the season. Daytime highs in Phoenix average around 38°C (100°F), and temperatures drop to about 24°C (75°F) at night.

What is the average temperature in Maricopa County, the United States of America in September?

Average temperatures in Maricopa County, the United States of America during September range from a nighttime low near 24°C (75°F) to a daytime high around 38°C (100°F) in Phoenix.

Does Maricopa County, the United States of America get a lot of rain in September?

Rain is generally moderate to light in Maricopa County, the United States of America during September, with Phoenix averaging close to 23 mm (0.9 in).

Is September a Good Time to Visit Maricopa County, the United States of America?

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

Generally speaking, the best visiting conditions can be found in January, February, March, November and December offering mostly perfect weather in Phoenix. In contrast, May, June, July, August and September tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Maricopa County.

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 travel conditions. Find out where to go with our weather planner.

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