S
M
T
W
T
F
S
30
91°
70°
31
93°
70°
1
94°
72°
2
95°
73°
3
95°
71°
4
94°
72°
5
93°
74°
6
92°
72°
7
88°
70°
8
87°
68°
9
89°
67°
10
90°
69°
11
89°
66°
12
87°
66°
13
85°
63°
14
87°
62°
15
84°
65°
16
80°
65°
17
78°
63°
18
81°
65°
19
80°
64°
20
76°
61°
21
79°
60°
22
78°
60°
23
79°
59°
24
82°
63°
25
82°
63°
26
75°
61°
27
73°
62°
28
74°
62°
29
73°
61°
30
77°
61°
1
73°
60°
2
73°
60°
3
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Roswell
Roswell's September 2026 forecast shows daily high temperatures ranging from 73° to 95°, with overnight lows between 59° and 74°. The average high for September is 83° with an average low of 65°. 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 Roswell. See also: October | November | December.
