S
M
T
W
T
F
S
30
97°
67°
31
95°
67°
1
94°
66°
2
96°
68°
3
98°
68°
4
97°
67°
5
96°
68°
6
97°
67°
7
97°
67°
8
96°
66°
9
95°
65°
10
93°
65°
11
93°
64°
12
95°
66°
13
94°
65°
14
93°
67°
15
95°
62°
16
92°
63°
17
93°
66°
18
92°
67°
19
95°
67°
20
Hist. Avg.
96°
68°
21
Hist. Avg.
95°
67°
22
Hist. Avg.
95°
67°
23
Hist. Avg.
95°
66°
24
Hist. Avg.
94°
66°
25
Hist. Avg.
94°
66°
26
Hist. Avg.
94°
65°
27
Hist. Avg.
94°
65°
28
Hist. Avg.
93°
64°
29
Hist. Avg.
93°
64°
30
Hist. Avg.
92°
64°
1
Hist. Avg.
92°
63°
2
Hist. Avg.
92°
63°
3
Hist. Avg.
92°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Oro Valley
Oro Valley's September 2026 forecast shows daily high temperatures ranging from 92° to 98°, with overnight lows between 62° and 68°. The average high for September is 95° with an average low of 66°. 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 Oro Valley. See also: October | November | December.
