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