S
M
T
W
T
F
S
30
83°
44°
31
72°
46°
1
71°
53°
2
74°
54°
3
80°
47°
4
74°
48°
5
73°
50°
6
76°
54°
7
80°
41°
8
80°
39°
9
66°
41°
10
65°
41°
11
62°
38°
12
64°
40°
13
65°
45°
14
68°
50°
15
69°
51°
16
74°
40°
17
73°
40°
18
61°
47°
19
64°
46°
20
68°
43°
21
65°
41°
22
69°
36°
23
60°
38°
24
59°
40°
25
66°
43°
26
68°
45°
27
Hist. Avg.
62°
37°
28
Hist. Avg.
62°
36°
29
Hist. Avg.
61°
36°
30
Hist. Avg.
61°
36°
1
Hist. Avg.
60°
35°
2
Hist. Avg.
60°
35°
3
Hist. Avg.
59°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Moose Jaw
Moose Jaw's September 2026 forecast shows daily high temperatures ranging from 59° to 83°, with overnight lows between 36° and 54°. The average high for September is 70° with an average low of 44°. 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 Moose Jaw. See also: October | November | December.
