S
M
T
W
T
F
S
30
79°
48°
31
81°
49°
1
82°
49°
2
79°
47°
3
77°
47°
4
77°
48°
5
76°
47°
6
78°
46°
7
77°
45°
8
77°
48°
9
75°
47°
10
76°
49°
11
77°
47°
12
77°
50°
13
79°
53°
14
81°
52°
15
81°
51°
16
82°
50°
17
81°
49°
18
81°
48°
19
80°
49°
20
79°
49°
21
81°
50°
22
81°
50°
23
80°
49°
24
76°
48°
25
69°
46°
26
69°
45°
27
68°
46°
28
70°
45°
29
71°
47°
30
69°
47°
1
68°
46°
2
67°
44°
3
76°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Long Barn
Long Barn's September 2026 forecast shows daily high temperatures ranging from 67° to 82°, with overnight lows between 44° and 53°. The average high for September is 76° with an average low of 48°. 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 Long Barn. See also: October | November | December.
