S
M
T
W
T
F
S
30
71°
46°
31
70°
45°
1
70°
48°
2
71°
48°
3
70°
50°
4
70°
49°
5
72°
47°
6
71°
46°
7
69°
45°
8
70°
43°
9
69°
50°
10
70°
44°
11
67°
44°
12
71°
43°
13
72°
50°
14
74°
45°
15
72°
49°
16
74°
49°
17
74°
50°
18
75°
50°
19
74°
48°
20
74°
45°
21
67°
48°
22
66°
43°
23
67°
46°
24
66°
45°
25
63°
41°
26
69°
38°
27
69°
39°
28
59°
38°
29
58°
40°
30
58°
36°
1
Hist. Avg.
63°
44°
2
Hist. Avg.
63°
43°
3
Hist. Avg.
62°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Orangeville
Orangeville's September 2026 forecast shows daily high temperatures ranging from 58° to 75°, with overnight lows between 36° and 50°. The average high for September is 69° with an average low of 45°. 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 Orangeville. See also: October | November | December.
