S
M
T
W
T
F
S
30
89°
54°
31
89°
52°
1
88°
53°
2
87°
55°
3
88°
52°
4
88°
51°
5
85°
47°
6
83°
43°
7
77°
46°
8
77°
46°
9
81°
50°
10
84°
49°
11
85°
46°
12
83°
49°
13
83°
49°
14
82°
45°
15
80°
42°
16
75°
46°
17
81°
48°
18
83°
47°
19
85°
48°
20
84°
48°
21
82°
47°
22
74°
43°
23
70°
42°
24
77°
39°
25
77°
38°
26
75°
40°
27
72°
40°
28
70°
39°
29
70°
34°
30
69°
38°
1
68°
44°
2
70°
43°
3
76°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Topaz Lake
Topaz Lake's September 2026 forecast shows daily high temperatures ranging from 68° to 89°, with overnight lows between 34° and 55°. The average high for September is 80° 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 Topaz Lake. See also: October | November | December.
