S
M
T
W
T
F
S
30
82°
54°
31
81°
48°
1
76°
47°
2
73°
49°
3
73°
48°
4
74°
48°
5
73°
47°
6
72°
47°
7
73°
46°
8
76°
48°
9
74°
52°
10
71°
47°
11
71°
50°
12
76°
50°
13
75°
51°
14
76°
49°
15
70°
46°
16
70°
46°
17
67°
45°
18
70°
49°
19
68°
43°
20
67°
50°
21
Hist. Avg.
70°
44°
22
Hist. Avg.
70°
44°
23
Hist. Avg.
70°
43°
24
Hist. Avg.
69°
43°
25
Hist. Avg.
69°
42°
26
Hist. Avg.
68°
42°
27
Hist. Avg.
68°
42°
28
Hist. Avg.
67°
41°
29
Hist. Avg.
67°
41°
30
Hist. Avg.
66°
40°
1
Hist. Avg.
66°
40°
2
Hist. Avg.
65°
40°
3
Hist. Avg.
65°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Intervale
Intervale's September 2026 forecast shows daily high temperatures ranging from 67° to 82°, with overnight lows between 43° and 54°. The average high for September is 73° with an average low of 48°. 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 Intervale. See also: October | November | December.
