S
M
T
W
T
F
S
30
69°
52°
31
79°
41°
1
77°
54°
2
64°
46°
3
64°
48°
4
61°
41°
5
72°
37°
6
73°
43°
7
57°
52°
8
64°
52°
9
73°
46°
10
73°
46°
11
72°
45°
12
73°
46°
13
61°
48°
14
57°
48°
15
64°
48°
16
73°
45°
17
72°
43°
18
73°
43°
19
73°
41°
20
75°
41°
21
77°
41°
22
77°
43°
23
N/A
24
73°
41°
25
61°
48°
26
59°
36°
27
61°
32°
28
64°
30°
29
57°
45°
30
68°
37°
1
63°
36°
2
N/A
3
72°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Sandpoint
Sandpoint's September 2026 forecast shows daily high temperatures ranging from 72° to 72°, with overnight lows between 40° and 40°. The average high for September is 72° 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 Sandpoint. See also: October | November | December.
