Phoenix (Arizona) in september: average Weather, Temperature and Climate
Weather in Phoenix (Arizona) in september 2025
The weather in Phoenix (Arizona) in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 9
Weather at 6am
85°F
Clear/Sunny
78% of time
12%
6%
4%
Weather at 12pm
95°F
Clear/Sunny
80% of time
13%
5%
3%
Weather at 6pm
101°F
Clear/Sunny
83% of time
15%
3%
1%
Weather at 3am
86°F
77%
10%
10%
4%
Evolution of daily average temperature and precipitation in Phoenix (Arizona) in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Phoenix (Arizona) in september.
The climate of Phoenix (Arizona) in september is good
The climate in september in Phoenix (Arizona) is quite dry (with 1.6in of precipitation over 2 days). The weather is better from the previous month since in august it receives an average of 1.6in of precipitation over 2 days.
The climate is very warm in that area the month of september. Temperatures are up to 103°F. The seasonal minimum is 85°F. Thus, the mean temperature average on this month of september in Phoenix (Arizona) is 94°F. Note that these seasonal averages are in contrast with those observed in Phoenix (Arizona) in september with a maximum record of 115°F in 2020 and a minimum record of 65°F in 2013. You can expect to have 86°F or more for all the month.
Day length in Phoenix (Arizona) in september is 12:22. Sunrise is at 06:12 and sunset is at 18:34.
With a good weather, september is a good time to go in this city.
Seasonal average climate and temperature of Phoenix (Arizona) in september
Check below seasonal norms These datas are set from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 94°F | ||||
| Highest temperature | 103°F | ||||
| Lowest temperature | 85°F | ||||
| Highest record temperature | 115°F (2020) | ||||
| Lowest record temperature | 65°F (2013) | ||||
| Number of days at +86°F | 30 day(s) (100%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 12km/h | ||||
| Wind temperature | 85°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1.6in | ||||
| Number of days with rainfall | 2 day(s) (6%) | ||||
| Record daily rainfall | 1.4in (2014) | ||||
| Other climate data | |||||
| Humidity | 39% | ||||
| Visibility | 9.88km | ||||
| Cloud cover | 9% | ||||
| UV index | 9 | ||||
| Daily sunshine hours | 12 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:12 | ||||
| Time of sunset | 18:34 | ||||
| Length of day | 12:22 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Phoenix (Arizona) in september 2024:
88°F to 103°F
90°F to 104°F
92°F to 104°F
94°F to 108°F
95°F to 110°F
95°F to 106°F
94°F to 104°F
90°F to 103°F
90°F to 104°F
90°F to 104°F
92°F to 104°F
86°F to 103°F
83°F to 99°F
83°F to 97°F
83°F to 94°F
81°F to 95°F
72°F to 88°F
70°F to 92°F
72°F to 94°F
72°F to 94°F
68°F to 88°F
72°F to 99°F
76°F to 101°F
76°F to 104°F
79°F to 108°F
85°F to 108°F
83°F to 110°F
81°F to 112°F
85°F to 108°F
79°F to 106°F
Map: other cities in the United States (USA) in september
Cities near Phoenix (Arizona):
| Tucson in september | perfect weather |
| Flagstaff (Route 66) in september | perfect weather |
| Lake Havasu City in september | perfect weather |
| Grand Canyon in september | perfect weather |
| Laughlin in september | good weather |
| Havasu Falls (Arizona) in september | perfect weather |
| Page (Arizona) in september | perfect weather |
| Las Vegas in september | perfect weather |
| Monument Valley in september | perfect weather |
| Zion National Park in september | good weather |
| Bryce Canyon in september | good weather |
| Mesa Verde National Park (Colorado) in september | good weather |
Click over cities on the map for information about the weather in september.
Phoenix (Arizona)
perfect weather
good
tolerable
bad
very bad
Weather data for Phoenix (Arizona) in september:
Weather data for Phoenix (Arizona) for september are derived from an average of the weather forecast since 2009 in Phoenix (Arizona). There is a margin of error and these forecasts are to be considered as general information only. The weather in Phoenix (Arizona) can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Phoenix (Arizona).