S
M
T
W
T
F
S
30
64°
53°
31
61°
52°
1
54°
51°
2
63°
50°
3
76°
52°
4
78°
54°
5
80°
51°
6
68°
54°
7
62°
50°
8
65°
52°
9
61°
53°
10
60°
51°
11
71°
51°
12
72°
46°
13
72°
40°
14
N/A
15
68°
45°
16
68°
48°
17
68°
50°
18
63°
50°
19
60°
52°
20
60°
49°
21
62°
47°
22
61°
46°
23
56°
46°
24
59°
48°
25
60°
46°
26
62°
47°
27
59°
48°
28
56°
45°
29
51°
42°
30
50°
43°
1
50°
41°
2
51°
40°
3
50°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Terrace
Terrace's September 2026 forecast shows daily high temperatures ranging from 50° to 68°, with overnight lows between 40° and 52°. The average high for September is 59° 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 Terrace. See also: October | November | December.
