S
M
T
W
T
F
S
30
84°
65°
31
86°
65°
1
82°
64°
2
81°
64°
3
81°
63°
4
82°
64°
5
81°
60°
6
80°
60°
7
85°
61°
8
81°
58°
9
80°
57°
10
81°
62°
11
79°
56°
12
83°
57°
13
84°
61°
14
84°
54°
15
78°
53°
16
76°
54°
17
77°
53°
18
81°
54°
19
83°
54°
20
82°
54°
21
82°
57°
22
81°
59°
23
81°
56°
24
80°
56°
25
80°
53°
26
81°
57°
27
80°
56°
28
80°
56°
29
79°
55°
30
80°
56°
1
80°
56°
2
79°
55°
3
79°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tamassee
Tamassee's September 2026 forecast shows daily high temperatures ranging from 76° to 86°, with overnight lows between 53° and 65°. The average high for September is 81° with an average low of 58°. 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 Tamassee. See also: October | November | December.