S
M
T
W
T
F
S
30
85°
67°
31
86°
69°
1
83°
68°
2
83°
66°
3
82°
64°
4
81°
63°
5
82°
63°
6
84°
64°
7
83°
64°
8
86°
65°
9
84°
64°
10
85°
63°
11
86°
64°
12
86°
68°
13
85°
67°
14
86°
67°
15
86°
66°
16
84°
67°
17
85°
65°
18
83°
65°
19
82°
64°
20
83°
64°
21
81°
65°
22
82°
64°
23
78°
62°
24
77°
63°
25
Hist. Avg.
82°
59°
26
Hist. Avg.
81°
58°
27
Hist. Avg.
81°
58°
28
Hist. Avg.
81°
58°
29
Hist. Avg.
80°
57°
30
Hist. Avg.
80°
57°
1
Hist. Avg.
80°
56°
2
Hist. Avg.
79°
56°
3
Hist. Avg.
79°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Keowee
Keowee's September 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 62° and 69°. 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 Keowee. See also: October | November | December.
