S
M
T
W
T
F
S
30
89°
65°
31
88°
65°
1
87°
63°
2
83°
61°
3
85°
64°
4
86°
61°
5
84°
61°
6
85°
64°
7
86°
63°
8
85°
64°
9
86°
63°
10
80°
63°
11
84°
62°
12
82°
59°
13
79°
58°
14
78°
61°
15
79°
61°
16
81°
57°
17
81°
56°
18
80°
55°
19
78°
57°
20
78°
57°
21
76°
53°
22
77°
53°
23
81°
54°
24
80°
57°
25
81°
59°
26
80°
57°
27
80°
54°
28
75°
52°
29
79°
50°
30
78°
52°
1
77°
51°
2
Hist. Avg.
78°
51°
3
Hist. Avg.
78°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gaffney
Gaffney's September 2026 forecast shows daily high temperatures ranging from 75° to 89°, with overnight lows between 50° and 65°. The average high for September is 81° with an average low of 59°. 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 Gaffney. See also: October | November | December.
