S
M
T
W
T
F
S
30
72°
43°
31
64°
48°
1
60°
47°
2
59°
47°
3
72°
46°
4
72°
46°
5
65°
42°
6
59°
41°
7
63°
40°
8
50°
45°
9
52°
46°
10
50°
45°
11
47°
43°
12
46°
42°
13
57°
42°
14
46°
39°
15
44°
36°
16
50°
37°
17
46°
36°
18
50°
39°
19
51°
36°
20
56°
41°
21
57°
42°
22
56°
44°
23
56°
46°
24
57°
45°
25
57°
38°
26
52°
43°
27
49°
39°
28
48°
38°
29
50°
37°
30
48°
39°
1
48°
38°
2
46°
37°
3
46°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Churchill
Churchill's September 2026 forecast shows daily high temperatures ranging from 44° to 57°, with overnight lows between 36° and 46°. The average high for September is 51° with an average low of 39°. 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 Churchill. See also: October | November | December.
