S
M
T
W
T
F
S
30
77°
42°
31
73°
41°
1
68°
39°
2
66°
42°
3
67°
40°
4
66°
41°
5
66°
40°
6
67°
40°
7
70°
41°
8
73°
40°
9
72°
41°
10
72°
46°
11
67°
46°
12
67°
45°
13
71°
39°
14
70°
38°
15
69°
40°
16
63°
42°
17
61°
39°
18
64°
43°
19
59°
36°
20
59°
42°
21
Hist. Avg.
63°
45°
22
Hist. Avg.
63°
44°
23
Hist. Avg.
62°
44°
24
Hist. Avg.
62°
44°
25
Hist. Avg.
61°
43°
26
Hist. Avg.
61°
43°
27
Hist. Avg.
60°
42°
28
Hist. Avg.
60°
42°
29
Hist. Avg.
59°
42°
30
Hist. Avg.
59°
41°
1
Hist. Avg.
58°
41°
2
Hist. Avg.
58°
41°
3
Hist. Avg.
57°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Saint Francis
Saint Francis's September 2026 forecast shows daily high temperatures ranging from 59° to 77°, with overnight lows between 36° and 46°. The average high for September is 68° with an average low of 41°. 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.
