S
M
T
W
T
F
S
30
80°
61°
31
80°
53°
1
78°
51°
2
74°
52°
3
73°
57°
4
76°
61°
5
81°
51°
6
80°
50°
7
72°
50°
8
73°
57°
9
74°
57°
10
75°
55°
11
72°
56°
12
70°
54°
13
71°
48°
14
69°
47°
15
69°
49°
16
70°
53°
17
69°
55°
18
76°
56°
19
77°
55°
20
76°
54°
21
75°
51°
22
71°
52°
23
68°
46°
24
67°
45°
25
65°
45°
26
67°
44°
27
66°
44°
28
Hist. Avg.
70°
46°
29
Hist. Avg.
70°
46°
30
Hist. Avg.
69°
45°
1
Hist. Avg.
69°
45°
2
Hist. Avg.
68°
44°
3
Hist. Avg.
68°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Roscoe
Roscoe's September 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 44° and 61°. The average high for September is 73° with an average low of 52°. 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 Roscoe. See also: October | November | December.
