S
M
T
W
T
F
S
30
77°
55°
31
71°
49°
1
75°
47°
2
83°
52°
3
76°
58°
4
80°
56°
5
79°
60°
6
85°
64°
7
75°
55°
8
67°
54°
9
75°
51°
10
83°
52°
11
61°
47°
12
59°
42°
13
66°
34°
14
56°
48°
15
60°
44°
16
57°
37°
17
68°
33°
18
70°
56°
19
68°
47°
20
58°
48°
21
71°
41°
22
70°
42°
23
62°
50°
24
63°
52°
25
75°
58°
26
72°
40°
27
61°
49°
28
62°
42°
29
67°
45°
30
64°
39°
1
61°
41°
2
60°
40°
3
53°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Estevan
Estevan's September 2026 forecast shows daily high temperatures ranging from 53° to 75°, with overnight lows between 35° and 58°. The average high for September is 64° 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 Estevan. See also: October | November | December.
