S
M
T
W
T
F
S
30
91°
70°
31
90°
70°
1
89°
69°
2
91°
70°
3
90°
69°
4
86°
66°
5
85°
66°
6
88°
63°
7
89°
67°
8
90°
68°
9
90°
68°
10
89°
67°
11
90°
68°
12
89°
68°
13
89°
66°
14
88°
63°
15
89°
66°
16
90°
66°
17
89°
65°
18
87°
61°
19
88°
57°
20
81°
59°
21
81°
58°
22
82°
58°
23
82°
60°
24
85°
62°
25
85°
60°
26
79°
56°
27
79°
60°
28
81°
59°
29
80°
60°
30
84°
59°
1
83°
59°
2
83°
58°
3
82°
60°
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 79° to 91°, with overnight lows between 56° and 70°. The average high for September is 86° with an average low of 63°. 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.
