S
M
T
W
T
F
S
30
73°
43°
31
75°
47°
1
80°
52°
2
83°
53°
3
82°
51°
4
72°
42°
5
73°
42°
6
72°
45°
7
74°
44°
8
76°
50°
9
74°
45°
10
74°
42°
11
73°
44°
12
73°
50°
13
72°
42°
14
70°
40°
15
70°
41°
16
71°
42°
17
71°
44°
18
72°
45°
19
78°
47°
20
78°
41°
21
71°
44°
22
70°
42°
23
67°
41°
24
68°
40°
25
65°
38°
26
67°
39°
27
66°
43°
28
69°
46°
29
73°
43°
30
73°
40°
1
Hist. Avg.
70°
47°
2
Hist. Avg.
70°
46°
3
Hist. Avg.
70°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Yacolt
Yacolt's September 2026 forecast shows daily high temperatures ranging from 65° to 83°, with overnight lows between 38° and 53°. The average high for September is 73° with an average low of 44°. 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 Yacolt. See also: October | November | December.
