S
M
T
W
T
F
S
30
78°
44°
31
71°
43°
1
70°
44°
2
71°
46°
3
77°
44°
4
77°
44°
5
75°
48°
6
73°
46°
7
70°
44°
8
70°
42°
9
71°
43°
10
69°
44°
11
69°
47°
12
74°
46°
13
77°
44°
14
76°
44°
15
75°
47°
16
70°
47°
17
68°
46°
18
69°
48°
19
70°
48°
20
73°
49°
21
75°
45°
22
74°
48°
23
70°
46°
24
72°
45°
25
68°
41°
26
67°
47°
27
68°
47°
28
72°
46°
29
68°
48°
30
73°
48°
1
74°
47°
2
74°
42°
3
73°
47°
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 67° to 78°, with overnight lows between 41° and 49°. The average high for September is 72° 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 Redwood National Park. See also: October | November | December.
