S
M
T
W
T
F
S
30
71°
47°
31
72°
49°
1
71°
56°
2
69°
56°
3
69°
55°
4
70°
54°
5
69°
53°
6
70°
48°
7
69°
47°
8
70°
48°
9
72°
46°
10
74°
47°
11
72°
52°
12
67°
46°
13
66°
52°
14
68°
56°
15
Hist. Avg.
72°
51°
16
Hist. Avg.
72°
51°
17
Hist. Avg.
72°
51°
18
Hist. Avg.
72°
51°
19
Hist. Avg.
71°
50°
20
Hist. Avg.
71°
50°
21
Hist. Avg.
70°
50°
22
Hist. Avg.
70°
50°
23
Hist. Avg.
70°
50°
24
Hist. Avg.
69°
50°
25
Hist. Avg.
69°
49°
26
Hist. Avg.
69°
49°
27
Hist. Avg.
68°
49°
28
Hist. Avg.
68°
49°
29
Hist. Avg.
68°
48°
30
Hist. Avg.
67°
48°
1
Hist. Avg.
67°
48°
2
Hist. Avg.
66°
48°
3
Hist. Avg.
66°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Dosewallips State Park
Dosewallips State Park's September 2026 forecast shows daily high temperatures ranging from 66° to 74°, with overnight lows between 46° and 56°. The average high for September is 70° with an average low of 51°. 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 Dosewallips State Park. See also: October | November | December.
