S
M
T
W
T
F
S
30
80°
53°
31
79°
49°
1
77°
48°
2
71°
50°
3
71°
49°
4
72°
48°
5
71°
48°
6
70°
49°
7
72°
48°
8
75°
47°
9
72°
50°
10
71°
53°
11
69°
53°
12
74°
52°
13
73°
50°
14
74°
47°
15
67°
46°
16
68°
46°
17
65°
48°
18
66°
49°
19
66°
43°
20
71°
51°
21
Hist. Avg.
69°
47°
22
Hist. Avg.
68°
46°
23
Hist. Avg.
68°
46°
24
Hist. Avg.
68°
46°
25
Hist. Avg.
67°
45°
26
Hist. Avg.
67°
45°
27
Hist. Avg.
66°
44°
28
Hist. Avg.
66°
44°
29
Hist. Avg.
65°
44°
30
Hist. Avg.
65°
43°
1
Hist. Avg.
64°
43°
2
Hist. Avg.
64°
43°
3
Hist. Avg.
64°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Orono
Orono's September 2026 forecast shows daily high temperatures ranging from 65° to 80°, with overnight lows between 43° and 53°. The average high for September is 72° with an average low of 49°. 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 Orono. See also: October | November | December.
