S
M
T
W
T
F
S
30
89°
62°
31
86°
63°
1
85°
62°
2
80°
60°
3
78°
55°
4
79°
56°
5
81°
59°
6
78°
57°
7
76°
51°
8
77°
51°
9
76°
52°
10
80°
54°
11
80°
52°
12
82°
50°
13
83°
52°
14
77°
53°
15
74°
52°
16
75°
48°
17
74°
51°
18
78°
53°
19
75°
52°
20
75°
49°
21
73°
50°
22
77°
57°
23
78°
58°
24
77°
51°
25
75°
51°
26
76°
50°
27
76°
52°
28
78°
49°
29
75°
45°
30
69°
55°
1
72°
50°
2
69°
47°
3
65°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tooele
Tooele's September 2026 forecast shows daily high temperatures ranging from 65° to 89°, with overnight lows between 44° and 63°. The average high for September is 77° with an average low of 53°. 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 Tooele. See also: October | November | December.