S
M
T
W
T
F
S
30
87°
63°
31
88°
66°
1
87°
67°
2
88°
63°
3
84°
62°
4
83°
61°
5
83°
62°
6
87°
66°
7
87°
66°
8
86°
64°
9
86°
66°
10
85°
66°
11
86°
65°
12
85°
66°
13
86°
65°
14
85°
63°
15
82°
61°
16
81°
63°
17
84°
60°
18
80°
58°
19
83°
59°
20
82°
63°
21
83°
62°
22
80°
61°
23
82°
59°
24
81°
61°
25
81°
58°
26
80°
59°
27
79°
59°
28
78°
59°
29
Hist. Avg.
76°
56°
30
Hist. Avg.
76°
56°
1
Hist. Avg.
76°
56°
2
Hist. Avg.
75°
55°
3
Hist. Avg.
75°
55°
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 78° to 88°, with overnight lows between 58° and 67°. The average high for September is 84° with an average low of 62°. 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.
