S
M
T
W
T
F
S
30
72°
48°
31
71°
47°
1
71°
47°
2
72°
50°
3
72°
49°
4
70°
50°
5
70°
49°
6
69°
51°
7
68°
47°
8
69°
46°
9
69°
47°
10
70°
48°
11
66°
46°
12
70°
44°
13
70°
46°
14
73°
52°
15
71°
52°
16
71°
51°
17
72°
49°
18
73°
45°
19
74°
50°
20
74°
48°
21
73°
45°
22
70°
46°
23
65°
42°
24
64°
41°
25
62°
44°
26
67°
40°
27
67°
40°
28
60°
39°
29
58°
40°
30
58°
38°
1
Hist. Avg.
64°
42°
2
Hist. Avg.
64°
42°
3
Hist. Avg.
63°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Saint Regis
Saint Regis's September 2026 forecast shows daily high temperatures ranging from 58° to 74°, with overnight lows between 38° and 52°. The average high for September is 69° 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 Regis. See also: October | November | December.
