S
M
T
W
T
F
S
30
70°
43°
31
71°
44°
1
70°
43°
2
70°
41°
3
69°
40°
4
69°
45°
5
70°
45°
6
71°
46°
7
71°
44°
8
70°
38°
9
60°
33°
10
59°
39°
11
61°
36°
12
57°
34°
13
56°
33°
14
56°
33°
15
57°
41°
16
59°
41°
17
60°
31°
18
57°
33°
19
55°
31°
20
55°
29°
21
54°
34°
22
55°
32°
23
63°
40°
24
54°
35°
25
55°
31°
26
Hist. Avg.
57°
33°
27
Hist. Avg.
57°
32°
28
Hist. Avg.
57°
32°
29
Hist. Avg.
57°
32°
30
Hist. Avg.
56°
32°
1
Hist. Avg.
56°
31°
2
Hist. Avg.
56°
31°
3
Hist. Avg.
56°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lac Ste. Anne County
Lac Ste. Anne County's September 2026 forecast shows daily high temperatures ranging from 54° to 71°, with overnight lows between 29° and 46°. The average high for September is 62° with an average low of 38°. 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 Lac Ste. Anne County. See also: October | November | December.
