S
M
T
W
T
F
S
30
78°
53°
31
79°
56°
1
80°
55°
2
80°
56°
3
79°
48°
4
77°
50°
5
77°
57°
6
76°
53°
7
78°
53°
8
75°
45°
9
68°
49°
10
70°
44°
11
72°
45°
12
72°
45°
13
66°
46°
14
66°
43°
15
67°
41°
16
67°
44°
17
66°
48°
18
64°
44°
19
65°
45°
20
65°
47°
21
68°
44°
22
69°
42°
23
71°
47°
24
Hist. Avg.
67°
46°
25
Hist. Avg.
67°
46°
26
Hist. Avg.
66°
46°
27
Hist. Avg.
66°
45°
28
Hist. Avg.
66°
45°
29
Hist. Avg.
65°
45°
30
Hist. Avg.
65°
45°
1
Hist. Avg.
65°
44°
2
Hist. Avg.
64°
44°
3
Hist. Avg.
64°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lake Tapps
Lake Tapps's September 2026 forecast shows daily high temperatures ranging from 64° to 80°, with overnight lows between 41° and 57°. The average high for September is 72° 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 Lake Tapps. See also: October | November | December.
