S
M
T
W
T
F
S
30
88°
61°
31
85°
66°
1
84°
58°
2
86°
59°
3
87°
59°
4
93°
60°
5
90°
62°
6
91°
63°
7
94°
69°
8
92°
65°
9
75°
61°
10
N/A
11
66°
39°
12
69°
42°
13
72°
45°
14
76°
48°
15
77°
49°
16
65°
43°
17
65°
48°
18
64°
47°
19
67°
49°
20
72°
51°
21
71°
50°
22
69°
49°
23
69°
49°
24
68°
50°
25
68°
48°
26
61°
44°
27
59°
45°
28
65°
48°
29
64°
42°
30
57°
41°
1
57°
41°
2
58°
42°
3
60°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Saint-Laurent-du-Pont
Saint-Laurent-du-Pont's September 2026 forecast shows daily high temperatures ranging from 57° to 77°, with overnight lows between 39° and 51°. The average high for September is 66° with an average low of 46°. 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 Saint-Laurent-du-Pont. See also: October | November | December.
