S
M
T
W
T
F
S
30
85°
71°
31
92°
70°
1
N/A
2
99°
72°
3
99°
73°
4
100°
72°
5
97°
70°
6
89°
67°
7
89°
68°
8
90°
67°
9
91°
68°
10
95°
68°
11
91°
67°
12
88°
63°
13
87°
61°
14
88°
64°
15
87°
67°
16
83°
67°
17
80°
66°
18
84°
66°
19
80°
62°
20
79°
61°
21
79°
62°
22
81°
63°
23
82°
64°
24
85°
65°
25
84°
64°
26
79°
63°
27
77°
64°
28
80°
64°
29
76°
63°
30
79°
62°
1
76°
61°
2
75°
61°
3
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Rockingham
Rockingham's September 2026 forecast shows daily high temperatures ranging from 75° to 100°, with overnight lows between 60° and 73°. The average high for September is 85° 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 Rockingham. See also: October | November | December.
