S
M
T
W
T
F
S
30
79°
63°
31
80°
63°
1
79°
62°
2
79°
63°
3
80°
63°
4
80°
62°
5
81°
64°
6
80°
64°
7
80°
63°
8
81°
64°
9
81°
63°
10
80°
64°
11
80°
64°
12
81°
63°
13
80°
64°
14
80°
64°
15
81°
63°
16
80°
64°
17
80°
64°
18
81°
63°
19
81°
64°
20
80°
64°
21
80°
63°
22
81°
64°
23
81°
64°
24
82°
63°
25
83°
63°
26
81°
63°
27
81°
62°
28
82°
63°
29
84°
64°
30
84°
64°
1
83°
63°
2
83°
65°
3
84°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Passe
Passe's September 2026 forecast shows daily high temperatures ranging from 79° to 84°, with overnight lows between 62° and 65°. The average high for September is 81° with an average low of 63°. 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 Passe. See also: October | November | December.