S
M
T
W
T
F
S
30
64°
44°
31
61°
46°
1
58°
44°
2
58°
38°
3
60°
46°
4
67°
45°
5
66°
46°
6
67°
47°
7
66°
48°
8
65°
46°
9
63°
42°
10
65°
46°
11
65°
43°
12
60°
35°
13
60°
41°
14
62°
45°
15
56°
43°
16
60°
39°
17
54°
38°
18
50°
36°
19
52°
39°
20
56°
37°
21
49°
32°
22
48°
31°
23
48°
31°
24
47°
30°
25
48°
30°
26
46°
35°
27
47°
30°
28
46°
36°
29
48°
28°
30
47°
27°
1
Hist. Avg.
49°
32°
2
Hist. Avg.
49°
32°
3
Hist. Avg.
48°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nelson House
Nelson House's September 2026 forecast shows daily high temperatures ranging from 46° to 67°, with overnight lows between 27° and 48°. The average high for September is 57° with an average low of 39°. 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 Nelson House. See also: October | November | December.