S
M
T
W
T
F
S
30
88°
71°
31
89°
68°
1
88°
66°
2
82°
64°
3
83°
67°
4
84°
68°
5
85°
68°
6
82°
66°
7
80°
64°
8
81°
65°
9
82°
64°
10
80°
64°
11
81°
65°
12
83°
64°
13
84°
63°
14
80°
62°
15
81°
63°
16
80°
63°
17
83°
62°
18
79°
62°
19
80°
66°
20
80°
65°
21
83°
65°
22
Hist. Avg.
80°
64°
23
Hist. Avg.
80°
64°
24
Hist. Avg.
80°
63°
25
Hist. Avg.
80°
63°
26
Hist. Avg.
79°
62°
27
Hist. Avg.
79°
62°
28
Hist. Avg.
79°
62°
29
Hist. Avg.
79°
61°
30
Hist. Avg.
78°
61°
1
Hist. Avg.
78°
61°
2
Hist. Avg.
78°
60°
3
Hist. Avg.
78°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Williamston
Williamston's September 2026 forecast shows daily high temperatures ranging from 79° to 89°, with overnight lows between 62° and 71°. 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 Williamston. See also: October | November | December.
