S
M
T
W
T
F
S
30
103°
76°
31
100°
75°
1
101°
77°
2
101°
76°
3
102°
77°
4
100°
76°
5
100°
76°
6
98°
76°
7
99°
75°
8
98°
74°
9
99°
75°
10
100°
72°
11
87°
67°
12
83°
65°
13
84°
66°
14
90°
69°
15
90°
69°
16
89°
68°
17
90°
69°
18
90°
68°
19
89°
68°
20
89°
67°
21
88°
67°
22
87°
66°
23
79°
66°
24
82°
65°
25
84°
65°
26
84°
64°
27
86°
65°
28
87°
65°
29
86°
64°
30
86°
64°
1
85°
63°
2
86°
64°
3
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Roscoe
Roscoe's September 2026 forecast shows daily high temperatures ranging from 79° to 103°, with overnight lows between 63° and 77°. The average high for September is 91° with an average low of 69°. 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.
