S
M
T
W
T
F
S
30
89°
69°
31
89°
70°
1
91°
70°
2
87°
69°
3
87°
70°
4
88°
69°
5
87°
70°
6
88°
69°
7
91°
68°
8
90°
69°
9
90°
65°
10
86°
65°
11
86°
66°
12
87°
65°
13
88°
66°
14
89°
67°
15
90°
66°
16
88°
67°
17
89°
66°
18
89°
62°
19
86°
65°
20
84°
66°
21
85°
62°
22
84°
65°
23
87°
66°
24
87°
65°
25
88°
65°
26
85°
64°
27
86°
65°
28
84°
65°
29
86°
64°
30
84°
64°
1
83°
63°
2
85°
58°
3
82°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Barney
Barney's September 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 57° and 70°. The average high for September is 87° with an average low of 66°. 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 Barney. See also: October | November | December.
