S
M
T
W
T
F
S
30
74°
50°
31
76°
51°
1
76°
53°
2
71°
50°
3
76°
52°
4
79°
53°
5
80°
53°
6
78°
52°
7
74°
48°
8
77°
50°
9
77°
50°
10
70°
48°
11
68°
45°
12
68°
46°
13
69°
43°
14
67°
42°
15
70°
43°
16
74°
46°
17
72°
50°
18
66°
49°
19
66°
48°
20
67°
49°
21
67°
40°
22
69°
47°
23
69°
48°
24
72°
44°
25
74°
49°
26
72°
40°
27
63°
39°
28
61°
38°
29
61°
39°
30
62°
46°
1
62°
44°
2
63°
40°
3
65°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lacey
Lacey's September 2026 forecast shows daily high temperatures ranging from 61° to 80°, with overnight lows between 38° and 53°. The average high for September is 70° with an average low of 47°. 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 Lacey. See also: October | November | December.
