S
M
T
W
T
F
S
30
54°
41°
31
54°
45°
1
55°
43°
2
56°
46°
3
58°
46°
4
54°
47°
5
58°
47°
6
59°
46°
7
59°
45°
8
58°
44°
9
57°
41°
10
58°
39°
11
51°
38°
12
50°
38°
13
49°
37°
14
49°
37°
15
48°
38°
16
48°
36°
17
49°
36°
18
46°
37°
19
46°
33°
20
47°
35°
21
46°
40°
22
49°
34°
23
49°
34°
24
45°
33°
25
45°
33°
26
46°
32°
27
44°
33°
28
44°
32°
29
43°
33°
30
43°
31°
1
42°
32°
2
39°
30°
3
40°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Tundra
Tundra's September 2026 forecast shows daily high temperatures ranging from 39° to 59°, with overnight lows between 30° and 47°. The average high for September is 50° with an average low of 38°. 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 Tundra. See also: October | November | December.
