S
M
T
W
T
F
S
30
87°
78°
31
88°
78°
1
88°
77°
2
87°
78°
3
88°
78°
4
88°
77°
5
87°
77°
6
88°
76°
7
88°
75°
8
87°
75°
9
87°
76°
10
88°
75°
11
87°
74°
12
88°
75°
13
86°
74°
14
87°
76°
15
87°
76°
16
88°
76°
17
88°
75°
18
87°
76°
19
Hist. Avg.
87°
76°
20
Hist. Avg.
87°
76°
21
Hist. Avg.
87°
76°
22
Hist. Avg.
87°
76°
23
Hist. Avg.
87°
76°
24
Hist. Avg.
87°
76°
25
Hist. Avg.
87°
76°
26
Hist. Avg.
87°
76°
27
Hist. Avg.
87°
76°
28
Hist. Avg.
87°
76°
29
Hist. Avg.
87°
76°
30
Hist. Avg.
87°
76°
1
Hist. Avg.
87°
76°
2
Hist. Avg.
87°
76°
3
Hist. Avg.
87°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Or
Or's September 2026 forecast shows daily high temperatures ranging from 86° to 88°, with overnight lows between 74° and 78°. The average high for September is 87° with an average low of 76°. 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 Or. See also: October | November | December.
