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