S
M
T
W
T
F
S
30
80°
61°
31
N/A
1
80°
66°
2
74°
69°
3
80°
67°
4
83°
63°
5
76°
60°
6
74°
60°
7
76°
62°
8
75°
61°
9
77°
65°
10
77°
62°
11
76°
63°
12
77°
63°
13
77°
61°
14
75°
60°
15
71°
59°
16
71°
63°
17
74°
58°
18
69°
55°
19
69°
55°
20
70°
59°
21
73°
62°
22
76°
63°
23
77°
62°
24
76°
60°
25
74°
59°
26
74°
60°
27
75°
61°
28
74°
60°
29
75°
58°
30
67°
54°
1
64°
53°
2
66°
58°
3
71°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Northport
Northport's September 2026 forecast shows daily high temperatures ranging from 64° to 83°, with overnight lows between 53° and 69°. The average high for September is 74° with an average low of 61°. 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 Northport. See also: October | November | December.
