S
M
T
W
T
F
S
30
70°
48°
31
69°
47°
1
69°
50°
2
70°
50°
3
69°
52°
4
69°
50°
5
70°
47°
6
68°
48°
7
68°
47°
8
69°
45°
9
68°
51°
10
69°
46°
11
66°
46°
12
70°
45°
13
71°
52°
14
72°
47°
15
71°
51°
16
72°
51°
17
72°
50°
18
73°
51°
19
73°
50°
20
72°
47°
21
65°
49°
22
64°
45°
23
65°
48°
24
64°
46°
25
61°
43°
26
68°
39°
27
67°
41°
28
58°
40°
29
58°
41°
30
58°
40°
1
59°
43°
2
Hist. Avg.
63°
44°
3
Hist. Avg.
63°
43°
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 58° to 73°, with overnight lows between 39° and 52°. The average high for September is 67° 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 Churchill. See also: October | November | December.
