S
M
T
W
T
F
S
30
74°
51°
31
78°
53°
1
80°
49°
2
74°
48°
3
73°
50°
4
75°
56°
5
78°
57°
6
80°
53°
7
77°
55°
8
73°
55°
9
71°
56°
10
77°
55°
11
74°
54°
12
73°
55°
13
70°
53°
14
70°
47°
15
68°
46°
16
68°
44°
17
69°
51°
18
69°
52°
19
75°
53°
20
76°
52°
21
73°
47°
22
71°
44°
23
67°
50°
24
66°
46°
25
72°
43°
26
65°
41°
27
Hist. Avg.
65°
42°
28
Hist. Avg.
65°
42°
29
Hist. Avg.
65°
41°
30
Hist. Avg.
64°
41°
1
Hist. Avg.
64°
40°
2
Hist. Avg.
64°
40°
3
Hist. Avg.
63°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Northeast
Northeast's September 2026 forecast shows daily high temperatures ranging from 65° to 80°, with overnight lows between 41° and 57°. The average high for September is 73° 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 Northeast. See also: October | November | December.
