S
M
T
W
T
F
S
30
79°
61°
31
81°
55°
1
78°
56°
2
78°
54°
3
77°
53°
4
77°
52°
5
78°
55°
6
77°
57°
7
77°
55°
8
78°
56°
9
77°
52°
10
77°
58°
11
81°
59°
12
80°
59°
13
82°
58°
14
81°
58°
15
82°
57°
16
81°
57°
17
80°
58°
18
81°
57°
19
80°
56°
20
78°
51°
21
80°
47°
22
74°
46°
23
72°
53°
24
72°
54°
25
Hist. Avg.
74°
51°
26
Hist. Avg.
74°
50°
27
Hist. Avg.
74°
50°
28
Hist. Avg.
73°
49°
29
Hist. Avg.
73°
49°
30
Hist. Avg.
72°
49°
1
Hist. Avg.
72°
48°
2
Hist. Avg.
72°
48°
3
Hist. Avg.
71°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Long
Long's September 2026 forecast shows daily high temperatures ranging from 72° to 82°, with overnight lows between 46° and 61°. The average high for September is 78° with an average low of 55°. 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. See also: October | November | December.
