S
M
T
W
T
F
S
30
81°
56°
31
69°
55°
1
77°
56°
2
79°
54°
3
73°
54°
4
78°
55°
5
79°
56°
6
78°
53°
7
66°
52°
8
70°
48°
9
70°
52°
10
76°
51°
11
66°
50°
12
63°
42°
13
62°
39°
14
68°
46°
15
75°
47°
16
72°
45°
17
73°
48°
18
74°
49°
19
73°
52°
20
74°
49°
21
74°
46°
22
71°
47°
23
72°
49°
24
73°
49°
25
74°
44°
26
69°
44°
27
68°
43°
28
70°
44°
29
68°
43°
30
58°
42°
1
58°
40°
2
55°
41°
3
63°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Moose Jaw
Moose Jaw's September 2026 forecast shows daily high temperatures ranging from 55° to 81°, with overnight lows between 38° and 56°. The average high for September is 71° with an average low of 48°. 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.
