S
M
T
W
T
F
S
30
71°
49°
31
72°
57°
1
75°
58°
2
71°
59°
3
76°
59°
4
79°
52°
5
79°
53°
6
70°
49°
7
68°
48°
8
72°
55°
9
74°
54°
10
76°
54°
11
74°
52°
12
72°
55°
13
72°
54°
14
76°
51°
15
68°
53°
16
67°
52°
17
65°
53°
18
67°
48°
19
72°
49°
20
65°
50°
21
70°
42°
22
65°
47°
23
64°
43°
24
69°
49°
25
71°
47°
26
69°
48°
27
66°
51°
28
67°
46°
29
69°
40°
30
61°
48°
1
67°
42°
2
69°
40°
3
61°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Streetsville
Streetsville's September 2026 forecast shows daily high temperatures ranging from 61° to 79°, with overnight lows between 40° and 59°. The average high for September is 70° with an average low of 50°. 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 Streetsville. See also: October | November | December.
