S
M
T
W
T
F
S
30
79°
55°
31
80°
55°
1
78°
48°
2
72°
47°
3
70°
49°
4
71°
47°
5
74°
48°
6
78°
52°
7
79°
47°
8
67°
44°
9
67°
44°
10
68°
45°
11
67°
43°
12
68°
43°
13
67°
50°
14
66°
52°
15
65°
51°
16
68°
50°
17
66°
44°
18
63°
49°
19
62°
45°
20
64°
42°
21
66°
41°
22
63°
39°
23
62°
39°
24
63°
42°
25
69°
44°
26
62°
44°
27
62°
39°
28
61°
36°
29
59°
38°
30
Hist. Avg.
61°
41°
1
Hist. Avg.
61°
41°
2
Hist. Avg.
60°
41°
3
Hist. Avg.
60°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Nelson
Nelson's September 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 36° and 55°. The average high for September is 68° with an average low of 46°. 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. See also: October | November | December.
