S
M
T
W
T
F
S
30
86°
57°
31
77°
60°
1
78°
64°
2
77°
60°
3
81°
58°
4
82°
64°
5
85°
62°
6
85°
55°
7
76°
55°
8
75°
53°
9
75°
56°
10
81°
60°
11
80°
55°
12
75°
54°
13
74°
53°
14
76°
60°
15
80°
59°
16
81°
52°
17
74°
50°
18
71°
50°
19
71°
52°
20
72°
55°
21
69°
56°
22
70°
52°
23
70°
56°
24
71°
50°
25
72°
58°
26
76°
58°
27
77°
48°
28
74°
50°
29
69°
56°
30
72°
57°
1
67°
56°
2
69°
53°
3
66°
47°
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 66° to 86°, with overnight lows between 47° and 64°. The average high for September is 75° with an average low of 55°. 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.
