S
M
T
W
T
F
S
30
89°
70°
31
89°
70°
1
88°
71°
2
89°
70°
3
83°
69°
4
82°
66°
5
82°
63°
6
81°
63°
7
81°
62°
8
86°
66°
9
87°
68°
10
86°
69°
11
87°
59°
12
80°
67°
13
82°
60°
14
81°
59°
15
80°
63°
16
84°
65°
17
85°
65°
18
86°
64°
19
86°
58°
20
79°
56°
21
77°
57°
22
77°
57°
23
78°
61°
24
79°
63°
25
81°
63°
26
76°
62°
27
82°
62°
28
76°
57°
29
81°
58°
30
82°
55°
1
80°
58°
2
80°
60°
3
74°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Raleigh
Raleigh's September 2026 forecast shows daily high temperatures ranging from 74° to 89°, with overnight lows between 53° and 71°. The average high for September is 82° with an average low of 63°. 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 Raleigh. See also: October | November | December.
