S
M
T
W
T
F
S
30
74°
57°
31
73°
58°
1
72°
56°
2
67°
54°
3
64°
53°
4
68°
56°
5
71°
57°
6
73°
57°
7
73°
56°
8
70°
54°
9
65°
54°
10
67°
55°
11
61°
49°
12
62°
50°
13
61°
48°
14
62°
44°
15
60°
45°
16
61°
41°
17
58°
40°
18
58°
41°
19
57°
38°
20
56°
45°
21
58°
48°
22
63°
51°
23
64°
49°
24
67°
52°
25
67°
50°
26
66°
48°
27
66°
38°
28
62°
43°
29
60°
37°
30
56°
48°
1
61°
38°
2
63°
34°
3
57°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Desbarats
Desbarats's September 2026 forecast shows daily high temperatures ranging from 56° to 74°, with overnight lows between 34° and 58°. The average high for September is 64° with an average low of 48°. 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 Desbarats. See also: October | November | December.