S
M
T
W
T
F
S
30
70°
50°
31
70°
50°
1
69°
49°
2
69°
50°
3
68°
50°
4
70°
49°
5
69°
44°
6
62°
48°
7
66°
47°
8
59°
45°
9
60°
46°
10
62°
44°
11
58°
37°
12
57°
36°
13
56°
37°
14
55°
36°
15
54°
39°
16
57°
37°
17
53°
37°
18
Hist. Avg.
58°
36°
19
Hist. Avg.
58°
36°
20
Hist. Avg.
58°
36°
21
Hist. Avg.
57°
36°
22
Hist. Avg.
57°
35°
23
Hist. Avg.
57°
35°
24
Hist. Avg.
56°
35°
25
Hist. Avg.
56°
34°
26
Hist. Avg.
56°
34°
27
Hist. Avg.
56°
34°
28
Hist. Avg.
55°
34°
29
Hist. Avg.
55°
33°
30
Hist. Avg.
55°
33°
1
Hist. Avg.
54°
33°
2
Hist. Avg.
54°
32°
3
Hist. Avg.
54°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Rolla
Rolla's September 2026 forecast shows daily high temperatures ranging from 53° to 70°, with overnight lows between 36° and 50°. The average high for September is 62° 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 Rolla. See also: October | November | December.
