S
M
T
W
T
F
S
31
86°
53°
1
94°
63°
2
94°
56°
3
104°
56°
4
80°
56°
5
85°
57°
6
82°
54°
7
82°
55°
8
89°
54°
9
87°
52°
10
91°
50°
11
88°
50°
12
85°
51°
13
87°
54°
14
79°
59°
15
73°
58°
16
76°
60°
17
82°
53°
18
83°
51°
19
89°
51°
20
84°
49°
21
67°
50°
22
71°
48°
23
76°
43°
24
79°
46°
25
83°
46°
26
72°
46°
27
64°
46°
28
74°
42°
29
75°
48°
30
68°
51°
1
66°
51°
2
67°
44°
3
73°
38°
4
66°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nelson
Nelson's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.
