S
M
T
W
T
F
S
30
86°
63°
31
87°
66°
1
87°
67°
2
86°
65°
3
84°
64°
4
84°
64°
5
75°
56°
6
73°
54°
7
78°
62°
8
78°
62°
9
79°
61°
10
75°
58°
11
74°
56°
12
75°
56°
13
77°
57°
14
79°
58°
15
80°
61°
16
81°
59°
17
79°
60°
18
80°
60°
19
74°
59°
20
78°
60°
21
79°
60°
22
79°
59°
23
80°
59°
24
78°
57°
25
72°
54°
26
74°
56°
27
77°
56°
28
77°
55°
29
76°
56°
30
77°
56°
1
77°
55°
2
76°
56°
3
77°
57°
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 72° to 87°, with overnight lows between 54° and 67°. The average high for September is 79° 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 Barnesville. See also: October | November | December.
