S
M
T
W
T
F
S
30
73°
48°
31
75°
52°
1
80°
56°
2
83°
59°
3
84°
56°
4
82°
51°
5
71°
47°
6
72°
54°
7
79°
51°
8
81°
50°
9
75°
53°
10
75°
45°
11
74°
45°
12
73°
50°
13
72°
46°
14
69°
42°
15
67°
42°
16
67°
40°
17
68°
41°
18
67°
42°
19
68°
45°
20
75°
45°
21
75°
44°
22
70°
44°
23
66°
40°
24
63°
41°
25
61°
38°
26
62°
39°
27
63°
39°
28
64°
46°
29
70°
43°
30
62°
38°
1
Hist. Avg.
67°
43°
2
Hist. Avg.
66°
43°
3
Hist. Avg.
66°
43°
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 61° to 84°, with overnight lows between 38° and 59°. The average high for September is 71° 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 Rathdrum. See also: October | November | December.
