S
M
T
W
T
F
S
30
71°
49°
31
82°
43°
1
77°
55°
2
68°
49°
3
64°
51°
4
64°
48°
5
73°
44°
6
75°
45°
7
59°
51°
8
67°
50°
9
77°
44°
10
79°
54°
11
71°
48°
12
72°
52°
13
61°
48°
14
61°
46°
15
65°
48°
16
73°
49°
17
78°
51°
18
77°
49°
19
79°
46°
20
81°
44°
21
83°
49°
22
77°
50°
23
68°
49°
24
76°
47°
25
60°
49°
26
59°
39°
27
61°
38°
28
66°
31°
29
67°
51°
30
68°
42°
1
67°
44°
2
72°
45°
3
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Rathdrum
Rathdrum's September 2026 forecast shows daily high temperatures ranging from 67° to 72°, with overnight lows between 44° and 45°. The average high for September is 70° with an average low of 45°. 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 Rathdrum. See also: October | November | December.
