S
M
T
W
T
F
S
31
69°
55°
1
70°
52°
2
74°
52°
3
73°
61°
4
74°
60°
5
75°
60°
6
77°
67°
7
70°
62°
8
68°
55°
9
68°
55°
10
70°
55°
11
67°
57°
12
63°
56°
13
67°
57°
14
70°
57°
15
70°
54°
16
67°
49°
17
73°
49°
18
69°
60°
19
64°
50°
20
58°
50°
21
64°
52°
22
67°
51°
23
67°
56°
24
61°
47°
25
65°
45°
26
71°
58°
27
62°
46°
28
67°
46°
29
69°
51°
30
63°
47°
1
57°
50°
2
58°
44°
3
69°
44°
4
62°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Souris
Souris's September 2025 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 Souris. See also: October | November | December.