S
M
T
W
T
F
S
30
60°
47°
31
62°
47°
1
56°
43°
2
56°
42°
3
57°
42°
4
55°
43°
5
56°
43°
6
55°
42°
7
55°
41°
8
54°
42°
9
53°
40°
10
53°
40°
11
52°
41°
12
52°
40°
13
53°
40°
14
52°
43°
15
52°
44°
16
53°
37°
17
56°
44°
18
56°
42°
19
53°
42°
20
51°
41°
21
52°
43°
22
52°
43°
23
53°
41°
24
55°
38°
25
52°
39°
26
50°
42°
27
49°
42°
28
51°
41°
29
51°
40°
30
49°
41°
1
Hist. Avg.
50°
39°
2
Hist. Avg.
50°
38°
3
Hist. Avg.
50°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Valdez
Valdez's September 2026 forecast shows daily high temperatures ranging from 49° to 62°, with overnight lows between 37° and 47°. The average high for September is 54° with an average low of 42°. 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 Valdez. See also: October | November | December.