S
M
T
W
T
F
S
30
82°
79°
31
85°
80°
1
86°
32°
2
87°
32°
3
87°
80°
4
88°
81°
5
87°
82°
6
88°
79°
7
86°
80°
8
90°
79°
9
84°
79°
10
81°
78°
11
87°
77°
12
88°
79°
13
N/A
14
84°
80°
15
87°
79°
16
87°
80°
17
87°
79°
18
87°
79°
19
86°
78°
20
86°
76°
21
87°
77°
22
86°
76°
23
87°
77°
24
87°
77°
25
88°
78°
26
85°
79°
27
86°
78°
28
85°
79°
29
85°
78°
30
86°
79°
1
85°
78°
2
84°
78°
3
84°
77°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Petiw
Petiw's September 2026 forecast shows daily high temperatures ranging from 84° to 88°, with overnight lows between 76° and 80°. The average high for September is 86° with an average low of 78°. 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 Petiw. See also: October | November | December.
