S
M
T
W
T
F
S
31
104°
79°
1
106°
77°
2
97°
81°
3
95°
79°
4
93°
77°
5
91°
70°
6
91°
66°
7
97°
73°
8
100°
75°
9
99°
72°
10
95°
70°
11
91°
66°
12
91°
66°
13
91°
66°
14
95°
68°
15
95°
66°
16
97°
68°
17
99°
68°
18
88°
66°
19
86°
63°
20
91°
68°
21
93°
68°
22
91°
68°
23
93°
68°
24
95°
75°
25
99°
72°
26
90°
68°
27
86°
64°
28
81°
66°
29
84°
63°
30
91°
70°
1
88°
63°
2
90°
63°
3
88°
64°
4
79°
59°
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.
