S
M
T
W
T
F
S
30
85°
56°
31
83°
53°
1
77°
50°
2
74°
45°
3
75°
45°
4
74°
54°
5
78°
47°
6
69°
53°
7
73°
55°
8
80°
63°
9
85°
68°
10
88°
64°
11
85°
53°
12
80°
50°
13
75°
51°
14
76°
50°
15
76°
51°
16
80°
53°
17
82°
55°
18
83°
55°
19
75°
46°
20
77°
48°
21
72°
46°
22
70°
46°
23
71°
47°
24
75°
47°
25
76°
48°
26
73°
46°
27
73°
49°
28
76°
49°
29
76°
48°
30
72°
47°
1
75°
48°
2
75°
47°
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 69° to 88°, with overnight lows between 46° and 68°. The average high for September is 77° with an average low of 51°. 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.
