S
M
T
W
T
F
S
30
65°
54°
31
64°
54°
1
65°
53°
2
65°
53°
3
63°
52°
4
62°
52°
5
61°
47°
6
61°
49°
7
62°
51°
8
61°
51°
9
64°
52°
10
64°
52°
11
58°
49°
12
59°
46°
13
59°
50°
14
63°
51°
15
66°
52°
16
65°
51°
17
66°
51°
18
66°
48°
19
63°
46°
20
57°
42°
21
56°
47°
22
59°
48°
23
55°
45°
24
57°
42°
25
56°
48°
26
57°
48°
27
59°
47°
28
59°
43°
29
58°
40°
30
57°
40°
1
52°
41°
2
56°
46°
3
56°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Terrace
Terrace's September 2026 forecast shows daily high temperatures ranging from 52° to 66°, with overnight lows between 40° and 54°. The average high for September is 60° 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 Terrace. See also: October | November | December.
