S
M
T
W
T
F
S
30
74°
48°
31
72°
49°
1
75°
49°
2
76°
50°
3
79°
47°
4
74°
49°
5
72°
47°
6
75°
53°
7
72°
51°
8
74°
53°
9
76°
52°
10
74°
51°
11
70°
50°
12
73°
52°
13
74°
52°
14
75°
51°
15
71°
49°
16
64°
46°
17
59°
47°
18
70°
48°
19
71°
48°
20
67°
47°
21
70°
48°
22
67°
45°
23
62°
45°
24
67°
44°
25
66°
45°
26
67°
45°
27
67°
44°
28
66°
46°
29
68°
44°
30
61°
42°
1
55°
43°
2
65°
39°
3
50°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Saskatoon
Saskatoon's September 2026 forecast shows daily high temperatures ranging from 50° to 79°, with overnight lows between 37° and 53°. The average high for September is 69° with an average low of 47°. 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 Saskatoon. See also: October | November | December.
