S
M
T
W
T
F
S
30
79°
68°
31
86°
72°
1
91°
70°
2
96°
71°
3
92°
70°
4
92°
69°
5
88°
67°
6
85°
63°
7
80°
65°
8
83°
67°
9
83°
61°
10
77°
58°
11
75°
56°
12
76°
56°
13
72°
55°
14
71°
53°
15
74°
52°
16
78°
58°
17
76°
57°
18
69°
56°
19
73°
57°
20
74°
56°
21
74°
56°
22
73°
54°
23
70°
54°
24
72°
53°
25
73°
54°
26
74°
48°
27
63°
43°
28
61°
42°
29
62°
44°
30
62°
41°
1
61°
45°
2
64°
50°
3
63°
48°
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 61° to 96°, with overnight lows between 41° and 71°. The average high for September is 75° with an average low of 56°. 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.
