S
M
T
W
T
F
S
30
81°
59°
31
82°
60°
1
82°
61°
2
82°
62°
3
82°
61°
4
81°
60°
5
78°
59°
6
77°
57°
7
80°
57°
8
81°
59°
9
81°
60°
10
80°
59°
11
81°
59°
12
81°
58°
13
80°
60°
14
81°
60°
15
79°
59°
16
78°
59°
17
77°
58°
18
75°
56°
19
75°
52°
20
70°
56°
21
71°
56°
22
70°
47°
23
69°
47°
24
69°
54°
25
74°
55°
26
71°
55°
27
68°
53°
28
70°
51°
29
68°
53°
30
67°
54°
1
68°
45°
2
66°
43°
3
65°
42°
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 65° to 82°, with overnight lows between 42° 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.
