S
M
T
W
T
F
S
30
52°
36°
31
53°
37°
1
56°
36°
2
57°
38°
3
57°
35°
4
53°
33°
5
53°
35°
6
54°
37°
7
54°
37°
8
55°
34°
9
54°
35°
10
54°
35°
11
54°
36°
12
55°
39°
13
56°
36°
14
55°
37°
15
56°
40°
16
56°
41°
17
58°
40°
18
58°
36°
19
58°
38°
20
57°
36°
21
58°
37°
22
60°
36°
23
Hist. Avg.
51°
37°
24
Hist. Avg.
51°
37°
25
Hist. Avg.
51°
37°
26
Hist. Avg.
51°
37°
27
Hist. Avg.
51°
37°
28
Hist. Avg.
51°
37°
29
Hist. Avg.
51°
37°
30
Hist. Avg.
51°
38°
1
Hist. Avg.
51°
38°
2
Hist. Avg.
51°
38°
3
Hist. Avg.
51°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Wanaka
Wanaka's September 2026 forecast shows daily high temperatures ranging from 52° to 60°, with overnight lows between 33° and 41°. The average high for September is 56° with an average low of 37°. 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 Wanaka. See also: October | November | December.
