S
M
T
W
T
F
S
30
58°
46°
31
56°
43°
1
56°
42°
2
57°
47°
3
57°
47°
4
59°
48°
5
60°
48°
6
59°
44°
7
59°
43°
8
56°
44°
9
57°
48°
10
59°
45°
11
61°
44°
12
57°
45°
13
59°
46°
14
60°
47°
15
61°
47°
16
60°
45°
17
60°
45°
18
61°
46°
19
62°
49°
20
62°
49°
21
61°
48°
22
60°
47°
23
60°
45°
24
58°
49°
25
61°
50°
26
60°
49°
27
61°
50°
28
62°
51°
29
61°
50°
30
59°
48°
1
60°
50°
2
Hist. Avg.
58°
47°
3
Hist. Avg.
58°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Wanganui
Wanganui's September 2026 forecast shows daily high temperatures ranging from 56° to 62°, with overnight lows between 42° and 51°. The average high for September is 59° with an average low of 47°. 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 Wanganui. See also: October | November | December.
