S
M
T
W
T
F
S
30
67°
59°
31
65°
56°
1
68°
54°
2
65°
59°
3
69°
61°
4
65°
58°
5
65°
56°
6
73°
56°
7
66°
59°
8
62°
55°
9
63°
52°
10
63°
49°
11
64°
55°
12
69°
53°
13
69°
60°
14
73°
61°
15
64°
56°
16
61°
55°
17
61°
55°
18
62°
55°
19
67°
58°
20
62°
53°
21
67°
52°
22
N/A
23
N/A
24
67°
56°
25
60°
49°
26
65°
51°
27
63°
47°
28
62°
52°
29
69°
58°
30
61°
51°
1
59°
49°
2
60°
50°
3
61°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in St George
St George's September 2026 forecast shows daily high temperatures ranging from 59° to 69°, with overnight lows between 47° and 58°. The average high for September is 63° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in St George. See also: October | November | December.
