S
M
T
W
T
F
S
30
86°
76°
31
84°
75°
1
90°
75°
2
91°
77°
3
91°
77°
4
91°
77°
5
91°
75°
6
N/A
7
90°
75°
8
89°
74°
9
89°
74°
10
88°
74°
11
90°
73°
12
90°
73°
13
91°
75°
14
92°
74°
15
92°
73°
16
87°
72°
17
85°
72°
18
87°
73°
19
85°
70°
20
86°
71°
21
86°
72°
22
84°
72°
23
83°
73°
24
84°
71°
25
84°
71°
26
85°
72°
27
84°
71°
28
84°
71°
29
83°
72°
30
84°
71°
1
84°
71°
2
85°
72°
3
86°
72°
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 83° to 92°, with overnight lows between 70° and 75°. The average high for September is 87° with an average low of 72°. 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.
