S
M
T
W
T
F
S
30
101°
74°
31
97°
72°
1
97°
73°
2
99°
75°
3
101°
77°
4
98°
74°
5
97°
75°
6
101°
71°
7
102°
72°
8
101°
72°
9
101°
71°
10
100°
71°
11
100°
71°
12
99°
70°
13
99°
70°
14
96°
68°
15
97°
69°
16
97°
69°
17
98°
68°
18
95°
69°
19
90°
68°
20
90°
66°
21
89°
63°
22
89°
65°
23
93°
66°
24
94°
67°
25
96°
67°
26
95°
66°
27
90°
64°
28
87°
64°
29
85°
63°
30
86°
62°
1
87°
64°
2
87°
62°
3
88°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Roosevelt
Roosevelt's September 2026 forecast shows daily high temperatures ranging from 85° to 102°, with overnight lows between 59° and 77°. The average high for September is 95° with an average low of 68°. 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 Roosevelt. See also: October | November | December.
