S
M
T
W
T
F
S
30
88°
50°
31
91°
45°
1
73°
56°
2
86°
42°
3
88°
48°
4
81°
48°
5
63°
43°
6
54°
42°
7
80°
39°
8
68°
39°
9
69°
39°
10
69°
33°
11
69°
40°
12
63°
37°
13
64°
37°
14
70°
42°
15
63°
39°
16
66°
38°
17
65°
39°
18
67°
35°
19
69°
37°
20
70°
36°
21
68°
40°
22
67°
36°
23
68°
38°
24
67°
36°
25
61°
36°
26
61°
37°
27
62°
36°
28
63°
37°
29
67°
39°
30
67°
38°
1
68°
42°
2
67°
38°
3
68°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Puna
Puna's September 2026 forecast shows daily high temperatures ranging from 61° to 70°, with overnight lows between 33° and 43°. The average high for September is 66° with an average low of 38°. 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 Puna. See also: October | November | December.