S
M
T
W
T
F
S
30
64°
39°
31
66°
44°
1
69°
47°
2
75°
43°
3
76°
47°
4
75°
39°
5
65°
40°
6
66°
44°
7
71°
43°
8
64°
39°
9
63°
43°
10
62°
42°
11
63°
41°
12
63°
40°
13
62°
39°
14
64°
39°
15
68°
44°
16
72°
37°
17
67°
36°
18
66°
36°
19
70°
40°
20
70°
44°
21
67°
37°
22
61°
36°
23
60°
37°
24
60°
33°
25
59°
34°
26
61°
33°
27
60°
41°
28
59°
40°
29
60°
36°
30
59°
38°
1
63°
41°
2
63°
39°
3
61°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Salmon La Sac Campground
Salmon La Sac Campground's September 2026 forecast shows daily high temperatures ranging from 59° to 76°, with overnight lows between 33° and 47°. The average high for September is 65° with an average low of 40°. 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 Salmon La Sac Campground. See also: October | November | December.
