S
M
T
W
T
F
S
30
78°
58°
31
77°
57°
1
78°
58°
2
79°
56°
3
77°
49°
4
69°
47°
5
68°
56°
6
69°
57°
7
76°
56°
8
76°
56°
9
77°
55°
10
71°
50°
11
74°
52°
12
75°
55°
13
75°
56°
14
74°
54°
15
74°
50°
16
71°
44°
17
66°
52°
18
69°
46°
19
66°
45°
20
67°
43°
21
62°
42°
22
61°
49°
23
63°
46°
24
62°
42°
25
61°
40°
26
60°
41°
27
61°
49°
28
68°
42°
29
65°
40°
30
59°
40°
1
60°
42°
2
60°
37°
3
58°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Sainte-Barbe
Sainte-Barbe's September 2026 forecast shows daily high temperatures ranging from 58° to 79°, with overnight lows between 37° and 58°. The average high for September is 69° with an average low of 49°. 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 Sainte-Barbe. See also: October | November | December.
