World Resorts USA Grand Canyon Weather

Grand Canyon weather in September

Weather in Grand Canyon: September

Average day temperature: 77.4°F
Average night temperature: 60.3°F
Number of sunny days: 24 days
Day length: 11.8 - 12.9 hours
Number of rainy days: 3 days
Precipitation totals: 1.5 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
15
30
45
60
75
90
105
120
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 89°F. At the same time the lowest night temperature was 48°F. Daily and nightly averages during September were 80.7°F and 63.6°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
79%
14%
7%

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

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.5
1.1
1.6
2.1
2.6
3.2
3.7
2.8
3.1
1.1
1.6
1.2
1.3
1.1
2.8
3.1
1.1
1.6
1.2
1.3

Precipitation total value in Grand Canyon in September is 1.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.8
3.7
5.5
7.3
9.1
11.0
12.8
6.3
6.9
7.5
7.8
8.5
10.2
10.2
10.7
9.7
8.3
6.8
6.3
6.9
7.5
7.7
7.8
8.5
10.2
10.2
10.7
9.7
8.3
6.8

The average wind speed value in September is 7.7 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.2
4.4
6.6
8.8
11.0
13.2
15.4
6.9
8.6
9.6
10.2
11.1
12.8
12.6
11.5
8.0
8.2
7.2
6.9
8.6
9.6
10.2
10.2
11.1
12.8
12.6
11.5
8.0
8.2
7.2

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: 10.2.

Best time for vacation in Grand Canyon

Sunniest months:
June 28 days
October 26 days
May 26 days
Warmest months:
July 86.3 °F
August 84.1 °F
June 83.0 °F
Coldest months:
January 41.8 °F
December 43.3 °F
February 45.2 °F
Rainiest months:
July 6 days
August 5 days
September 3 days
Windiest months:
April 10.9 mph
May 10.8 mph
June 10.6 mph

Grand Canyon on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+52°F
+66°F
+75°F
+75°F
+77°F
+57°F
+73°F
+50°F
+72°F
+57°F
+50°F
+66°F
+70°F
+72°F
+52°F
24 Hours Forecast
Grand Canyon
Local time: 20:01
April 14, monday
2100
64°F
NE
8 mph
April 15, tuesday
0000
59°F
N
14 mph
0300
57°F
W
9 mph
0600
52°F
W
4 mph
0900
57°F
NW
5 mph
1200
68°F
N
8 mph
1500
68°F
NE
11 mph
1800
66°F
E
12 mph
Units of measurement: °C / °F