S
M
T
W
T
F
S
30
91°
49°
31
88°
49°
1
88°
48°
2
90°
49°
3
90°
49°
4
91°
48°
5
91°
49°
6
90°
49°
7
92°
48°
8
92°
49°
9
93°
48°
10
85°
46°
11
83°
46°
12
88°
48°
13
90°
49°
14
92°
48°
15
90°
47°
16
89°
46°
17
83°
47°
18
89°
48°
19
89°
45°
20
Hist. Avg.
67°
52°
21
Hist. Avg.
67°
52°
22
Hist. Avg.
67°
52°
23
Hist. Avg.
67°
52°
24
Hist. Avg.
66°
52°
25
Hist. Avg.
66°
51°
26
Hist. Avg.
66°
51°
27
Hist. Avg.
66°
51°
28
Hist. Avg.
66°
51°
29
Hist. Avg.
66°
51°
30
Hist. Avg.
66°
51°
1
Hist. Avg.
65°
51°
2
Hist. Avg.
65°
51°
3
Hist. Avg.
65°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Cave Junction
Cave Junction's September 2026 forecast shows daily high temperatures ranging from 83° to 93°, with overnight lows between 45° and 49°. The average high for September is 89° with an average low of 48°. 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 Cave Junction. See also: October | November | December.
