S
M
T
W
T
F
S
30
64°
47°
31
65°
56°
1
65°
57°
2
60°
57°
3
63°
57°
4
64°
52°
5
64°
48°
6
66°
53°
7
67°
51°
8
72°
50°
9
72°
53°
10
61°
51°
11
62°
51°
12
64°
47°
13
65°
55°
14
65°
55°
15
64°
49°
16
62°
48°
17
64°
56°
18
62°
57°
19
60°
54°
20
71°
52°
21
72°
50°
22
74°
50°
23
75°
50°
24
72°
52°
25
73°
46°
26
72°
47°
27
69°
48°
28
69°
47°
29
68°
46°
30
68°
47°
1
71°
44°
2
70°
45°
3
68°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Redwood National Park
Redwood National Park's September 2026 forecast shows daily high temperatures ranging from 68° to 75°, with overnight lows between 44° and 52°. The average high for September is 71° 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 Redwood National Park. See also: October | November | December.
