S
M
T
W
T
F
S
30
79°
58°
31
74°
58°
1
76°
59°
2
75°
59°
3
76°
56°
4
73°
53°
5
75°
57°
6
75°
53°
7
72°
53°
8
71°
52°
9
74°
54°
10
76°
53°
11
73°
52°
12
72°
50°
13
71°
50°
14
69°
49°
15
60°
45°
16
65°
49°
17
66°
45°
18
68°
50°
19
70°
49°
20
64°
48°
21
58°
46°
22
57°
45°
23
56°
44°
24
60°
44°
25
67°
48°
26
68°
47°
27
68°
49°
28
69°
47°
29
66°
46°
30
65°
45°
1
64°
44°
2
58°
43°
3
56°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Selkirk
Selkirk's September 2026 forecast shows daily high temperatures ranging from 56° to 79°, with overnight lows between 43° and 59°. The average high for September is 68° with an average low of 50°. 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 Selkirk. See also: October | November | December.
