World Resorts USA Flagstaff Weather

Flagstaff weather in September

Weather in Flagstaff: September

Average day temperature: 74.3°F
Average night temperature: 58.5°F
Number of sunny days: 23 days
Day length: 11.8 - 12.9 hours
Number of rainy days: 2 days
Precipitation totals: 0.5 in.

Air temperature in September, °F

Show year:
2024
2023
2022

The highest day temperature during September of 2024 was 81°F. At the same time the lowest night temperature was 48°F. Day and night temperature averages during September were 73.4°F and 58.7°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 Flagstaff in September is 0.5 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.9 mph It makes September one of the least windy months of the year.

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: 9.9.

Best time for vacation in Flagstaff

Sunniest months:
May 26 days
October 25 days
April 24 days
Warmest months:
July 81.7 °F
August 78.6 °F
June 78.6 °F
Coldest months:
January 39.6 °F
February 41.1 °F
December 42.2 °F
Rainiest months:
July 5 days
August 4 days
September 2 days
Windiest months:
May 9.0 mph
March 9.0 mph
April 8.9 mph

Flagstaff on a weather map

Flagstaff
+41°F
SW 2 mph
Feels like: +41°F
Precip.: 0%
Places in USA:
Name
°F
+46°F
+43°F
+73°F
+73°F
+41°F
+55°F
+73°F
+66°F
+48°F
+50°F
+55°F
+64°F
+61°F
+54°F
+32°F
24 Hours Forecast
Flagstaff
Local time: 08:07
November 21, thursday
0900
41°F
SW
2 mph
1200
50°F
N
4 mph
1500
55°F
NE
6 mph
1800
50°F
NW
1 mph
2100
43°F
SW
2 mph
November 22, friday
0000
41°F
SW
2 mph
0300
41°F
S
2 mph
0600
41°F
SW
2 mph
Units of measurement: °C / °F