S
M
T
W
T
F
S
30
72°
60°
31
73°
51°
1
70°
55°
2
71°
56°
3
72°
54°
4
74°
55°
5
73°
51°
6
66°
55°
7
73°
55°
8
72°
54°
9
70°
55°
10
69°
54°
11
66°
50°
12
67°
53°
13
71°
54°
14
71°
54°
15
70°
53°
16
70°
53°
17
69°
52°
18
68°
52°
19
66°
50°
20
64°
53°
21
68°
51°
22
67°
51°
23
67°
52°
24
69°
50°
25
61°
49°
26
63°
48°
27
66°
50°
28
66°
50°
29
67°
51°
30
67°
51°
1
66°
50°
2
65°
50°
3
66°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in St George
St George's September 2026 forecast shows daily high temperatures ranging from 61° to 74°, with overnight lows between 48° and 60°. The average high for September is 68° 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.
