S
M
T
W
T
F
S
30
85°
65°
31
86°
67°
1
89°
67°
2
90°
69°
3
88°
69°
4
89°
67°
5
87°
63°
6
84°
63°
7
84°
66°
8
85°
68°
9
84°
66°
10
84°
67°
11
88°
66°
12
89°
67°
13
88°
67°
14
88°
66°
15
87°
67°
16
87°
66°
17
86°
66°
18
86°
64°
19
85°
63°
20
85°
58°
21
82°
63°
22
80°
63°
23
82°
62°
24
85°
57°
25
84°
56°
26
82°
62°
27
83°
61°
28
79°
57°
29
82°
59°
30
82°
60°
1
81°
59°
2
82°
58°
3
Hist. Avg.
78°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rockingham
Rockingham's September 2026 forecast shows daily high temperatures ranging from 79° to 90°, with overnight lows between 56° and 69°. The average high for September is 85° with an average low of 64°. 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.
