World Resorts USA St. George Weather

St. George weather in September

Weather in St. George: September

Average day temperature: 93.3°F
Average night temperature: 72.1°F
Number of sunny days: 27 days
Day length: 11.8 - 12.9 hours
Number of rainy days: 0 days
Precipitation totals: 0.1 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
17
34
51
68
85
102
119
136
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 101°F. At the same time the lowest night temperature was 51°F. Daily and nightly averages during September were 91.1°F and 64.9°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
90%
10%

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
0.1
0.2
0.3
0.4
0.4
0.5
0.6

Precipitation total value in St. George in September is 0.1 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
1.3
2.6
3.9
5.2
6.5
7.8
9.1
4.1
4.8
4.8
6.0
6.6
7.4
7.6
7.2
6.8
5.5
4.2
4.1
4.8
4.8
5.3
6.0
6.6
7.4
7.6
7.2
6.8
5.5
4.2

The average wind speed value in September is 5.3 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
2.3
4.6
6.9
9.2
11.5
13.8
16.2
7.2
8.4
9.9
11.1
12.4
13.5
12.8
11.5
8.5
8.1
7.4
7.2
8.4
9.9
11.2
11.1
12.4
13.5
12.8
11.5
8.5
8.1
7.4

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: 11.2.

Best time for vacation in St. George

Sunniest months:
June 28 days
May 28 days
September 27 days
Warmest months:
July 103.0 °F
August 98.5 °F
June 96.7 °F
Coldest months:
January 51.4 °F
December 54.3 °F
February 56.3 °F
Rainiest months:
March 1 day
January 0 days
August 0 days
Windiest months:
May 7.6 mph
June 7.4 mph
April 7.2 mph

St. George on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+63°F
+59°F
+75°F
+75°F
+59°F
+54°F
+73°F
+63°F
+75°F
+55°F
+48°F
+73°F
+73°F
+75°F
+55°F
24 Hours Forecast
St. George
Local time: 08:26
April 25, friday
0900
63°F
NW
6 mph
1200
79°F
N
13 mph
1500
82°F
NE
20 mph
1800
77°F
NE
23 mph
2100
64°F
NE
13 mph
April 26, saturday
0000
54°F
NW
6 mph
0300
46°F
N
3 mph
0600
46°F
N
4 mph
Units of measurement: °C / °F