S
M
T
W
T
F
S
30
80°
57°
31
82°
59°
1
83°
60°
2
83°
59°
3
80°
57°
4
82°
59°
5
81°
58°
6
76°
56°
7
78°
57°
8
78°
57°
9
79°
50°
10
75°
51°
11
77°
58°
12
81°
57°
13
79°
57°
14
75°
56°
15
80°
56°
16
79°
57°
17
Hist. Avg.
77°
50°
18
Hist. Avg.
76°
50°
19
Hist. Avg.
76°
50°
20
Hist. Avg.
76°
49°
21
Hist. Avg.
75°
49°
22
Hist. Avg.
75°
48°
23
Hist. Avg.
74°
48°
24
Hist. Avg.
74°
48°
25
Hist. Avg.
74°
47°
26
Hist. Avg.
73°
47°
27
Hist. Avg.
73°
46°
28
Hist. Avg.
72°
46°
29
Hist. Avg.
72°
46°
30
Hist. Avg.
72°
45°
1
Hist. Avg.
71°
45°
2
Hist. Avg.
71°
44°
3
Hist. Avg.
70°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Longview
Longview's September 2026 forecast shows daily high temperatures ranging from 75° to 83°, with overnight lows between 50° and 60°. The average high for September is 79° with an average low of 57°. 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 Longview. See also: October | November | December.
