S
M
T
W
T
F
S
30
76°
59°
31
78°
60°
1
77°
59°
2
78°
61°
3
74°
60°
4
74°
62°
5
75°
56°
6
73°
54°
7
73°
52°
8
74°
55°
9
73°
54°
10
71°
52°
11
72°
58°
12
73°
56°
13
75°
56°
14
78°
58°
15
80°
59°
16
79°
59°
17
80°
60°
18
80°
60°
19
79°
59°
20
78°
60°
21
77°
59°
22
75°
59°
23
77°
58°
24
77°
59°
25
78°
58°
26
78°
57°
27
77°
51°
28
66°
46°
29
66°
51°
30
76°
55°
1
75°
50°
2
70°
43°
3
64°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Barnesville
Barnesville's September 2026 forecast shows daily high temperatures ranging from 64° to 80°, with overnight lows between 41° and 62°. The average high for September is 75° with an average low of 56°. 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 Barnesville. See also: October | November | December.
