Phoenix

Arizona Weather in September

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

Planning a trip to Arizona, the United States of America this September? Here's what you need to know about the weather:

What to Expect in Arizona in September

Arizona, the United States of America is a region in the United States of America. Arizona, the United States of America has a wide variety of climate types. During September, you can expect temperatures that range from pleasant to very hot and precipitation levels ranging from low to moderate.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is pleasant in Greer at 20°C (68°F) to very hot in Yuma at 39°C (102°F). Nighttime temperatures generally drop to 25°C (77°F) in Yuma and 6°C (43°F) in Greer. 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 Arizona, the United States of America in more detail, check the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Parker with an average of 9.2 mm (0.4 in) to moderate rainfall in Bisbee with 78 mm (3.1 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 Arizona by month

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

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.

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 Arizona

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

Temperature range in Arizona (September)

Precipitation variation in Arizona (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
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

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
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

Tucson

In September Tucson generally has very high temperatures with maximum daytime temperatures around 34°C (93°F), minimum nighttime temperatures around 21°C (70°F) and moderate monthly rainfall. So on average the conditions are tolerable that month.

August
September
October
Max temperature
37°C (99°F)
34°C (93°F)
30°C (86°F)
Min temperature
24°C (75°F)
21°C (70°F)
14°C (57°F)
Monthly sun hours
336 hours
316 hours
307 hours
Monthly rainfall
48 mm (1.9 in)
45 mm (1.8 in)
15 mm (0.6 in)
Monthly rainy days
9 days
7 days
3 days
Weather conditions

Sedona

In September Sedona generally has very high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

August
September
October
Max temperature
33°C (91°F)
30°C (86°F)
25°C (77°F)
Min temperature
18°C (64°F)
15°C (59°F)
9°C (48°F)
Monthly rainfall
64 mm (2.5 in)
40 mm (1.6 in)
25 mm (1 in)
Monthly rainy days
11 days
7 days
5 days
Weather conditions

Kingman

In September Kingman generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 16°C (61°F) and low monthly rainfall. So on average the conditions are perfect that month.

August
September
October
Max temperature
35°C (95°F)
32°C (90°F)
26°C (79°F)
Min temperature
20°C (68°F)
16°C (61°F)
9°C (48°F)
Monthly rainfall
35 mm (1.4 in)
25 mm (1 in)
18 mm (0.7 in)
Monthly rainy days
7 days
5 days
4 days
Weather conditions

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

Popular cities in September

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

City Weather Day temp Night temp Rainfall
Sedona 30°C (86°F) 15°C (59°F) 40 mm (1.6 in)
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)
Tucson 34°C (93°F) 21°C (70°F) 45 mm (1.8 in)
Kingman 32°C (90°F) 16°C (61°F) 25 mm (1 in)
Sierra Vista 30°C (86°F) 16°C (61°F) 63 mm (2.5 in)

Arizona weather in September: frequently asked questions

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

Expect poor weather across Arizona, the United States of America in September. The popular destination of Phoenix averages 38°C (100°F) by day and 24°C (75°F) at night during this month.

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

Daytime temperatures in Phoenix peak at roughly 38°C (100°F) in September, dropping to about 24°C (75°F) overnight.

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

September is on the drier side in Arizona, the United States of America. Phoenix averages only about 23 mm (0.9 in), with most days staying dry.

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

Given the typically unpleasant weather conditions in Phoenix, September may not be the ideal time to visit Arizona, the United States of America.

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 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.

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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