S
M
T
W
T
F
S
30
71°
48°
31
78°
48°
1
89°
50°
2
86°
52°
3
80°
53°
4
75°
47°
5
68°
51°
6
62°
55°
7
62°
54°
8
71°
53°
9
78°
50°
10
73°
51°
11
61°
42°
12
58°
36°
13
64°
44°
14
60°
44°
15
59°
41°
16
68°
47°
17
71°
45°
18
72°
46°
19
74°
49°
20
74°
46°
21
69°
45°
22
63°
45°
23
64°
46°
24
75°
44°
25
60°
46°
26
63°
46°
27
70°
45°
28
58°
45°
29
63°
41°
30
58°
41°
1
63°
44°
2
57°
41°
3
56°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Redcliff
Redcliff's September 2026 forecast shows daily high temperatures ranging from 56° to 75°, with overnight lows between 31° and 49°. The average high for September is 64° with an average low of 43°. 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 Redcliff. See also: October | November | December.
