S
M
T
W
T
F
S
30
81°
67°
31
81°
69°
1
89°
68°
2
85°
62°
3
82°
61°
4
80°
60°
5
78°
58°
6
77°
59°
7
77°
58°
8
78°
60°
9
76°
60°
10
77°
55°
11
73°
59°
12
76°
59°
13
76°
60°
14
77°
60°
15
77°
59°
16
76°
58°
17
73°
59°
18
77°
59°
19
73°
58°
20
74°
58°
21
75°
59°
22
74°
59°
23
75°
57°
24
70°
55°
25
64°
54°
26
66°
55°
27
71°
55°
28
72°
54°
29
72°
56°
30
71°
56°
1
73°
55°
2
72°
55°
3
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Strathroy
Strathroy's September 2026 forecast shows daily high temperatures ranging from 64° to 89°, with overnight lows between 54° and 69°. The average high for September is 75° with an average low of 59°. 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 Strathroy. See also: October | November | December.
