S
M
T
W
T
F
S
30
76°
42°
31
71°
58°
1
62°
57°
2
68°
55°
3
76°
51°
4
76°
48°
5
65°
50°
6
60°
40°
7
63°
43°
8
53°
47°
9
57°
43°
10
65°
45°
11
61°
45°
12
51°
39°
13
61°
37°
14
64°
45°
15
52°
33°
16
57°
30°
17
53°
31°
18
67°
43°
19
55°
38°
20
63°
28°
21
72°
49°
22
71°
52°
23
71°
53°
24
63°
51°
25
N/A
26
62°
59°
27
60°
46°
28
65°
44°
29
56°
34°
30
49°
41°
1
47°
33°
2
49°
31°
3
50°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Thompson
Thompson's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Thompson. See also: October | November | December.
