World Resorts USA Phoenix Weather

Phoenix weather in September

Weather in Phoenix: September

Average day temperature: 97.0°F
Average night temperature: 82.3°F
Number of sunny days: 25 days
Day length: 11.9 - 12.8 hours
Number of rainy days: 1 day
Precipitation totals: 0.7 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 106°F. At the same time the lowest night temperature was 68°F. Daily and nightly averages during September were 98.3°F and 81.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Phoenix in September is 0.6 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.0 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 10.7.

Best time for vacation in Phoenix

Sunniest months:
June 28 days
May 28 days
October 27 days
Warmest months:
July 102.7 °F
August 102.3 °F
June 101.1 °F
Coldest months:
January 62.3 °F
December 63.1 °F
February 66.4 °F
Rainiest months:
July 3 days
August 2 days
December 2 days
Windiest months:
May 7.2 mph
April 7.0 mph
June 6.8 mph

Phoenix on a weather map

Phoenix
+54°F
E 6 mph
Feels like: +52°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+77°F
+77°F
+45°F
+55°F
+70°F
+77°F
+70°F
+25°F
+57°F
+48°F
+63°F
+63°F
+46°F
+5°F
24 Hours Forecast
Phoenix
Local time: 21:52
December 05, friday
0000
46°F
SE
3 mph
0300
43°F
SE
2 mph
0600
41°F
SW
1 mph
0900
43°F
SW
1 mph
1200
59°F
NW
2 mph
1500
68°F
E
3 mph
1800
64°F
E
5 mph
2100
57°F
E
4 mph
Units of measurement: °C / °F