S
M
T
W
T
F
S
30
71°
49°
31
69°
47°
1
71°
47°
2
71°
48°
3
61°
55°
4
69°
56°
5
67°
49°
6
63°
46°
7
72°
47°
8
58°
41°
9
60°
36°
10
72°
50°
11
57°
43°
12
72°
39°
13
70°
51°
14
64°
45°
15
62°
37°
16
70°
54°
17
65°
44°
18
59°
45°
19
56°
39°
20
54°
36°
21
57°
40°
22
60°
37°
23
62°
34°
24
73°
36°
25
75°
39°
26
71°
43°
27
67°
43°
28
60°
48°
29
60°
45°
30
67°
44°
1
70°
47°
2
65°
44°
3
64°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Saint Francis
Saint Francis's September 2026 forecast shows daily high temperatures ranging from 60° to 75°, with overnight lows between 39° and 48°. The average high for September is 67° with an average low of 44°. 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 Saint Francis. See also: October | November | December.
