S
M
T
W
T
F
S
30
69°
52°
31
79°
41°
1
77°
54°
2
N/A
3
66°
48°
4
64°
42°
5
65°
45°
6
73°
44°
7
65°
45°
8
72°
45°
9
76°
44°
10
74°
46°
11
76°
49°
12
73°
47°
13
72°
47°
14
75°
46°
15
74°
48°
16
72°
42°
17
64°
40°
18
64°
42°
19
63°
38°
20
64°
46°
21
64°
43°
22
66°
46°
23
65°
36°
24
61°
35°
25
61°
34°
26
62°
38°
27
69°
40°
28
71°
42°
29
70°
43°
30
71°
42°
1
70°
44°
2
71°
43°
3
70°
42°
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 61° to 76°, with overnight lows between 34° and 49°. The average high for September is 68° with an average low of 43°. 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.
