S
M
T
W
T
F
S
30
98°
74°
31
99°
75°
1
99°
75°
2
99°
76°
3
98°
76°
4
97°
76°
5
99°
75°
6
99°
72°
7
92°
73°
8
100°
75°
9
88°
71°
10
82°
69°
11
85°
64°
12
84°
65°
13
81°
63°
14
95°
64°
15
94°
70°
16
91°
70°
17
95°
76°
18
95°
73°
19
94°
75°
20
77°
68°
21
72°
60°
22
70°
54°
23
71°
53°
24
72°
60°
25
74°
62°
26
76°
64°
27
78°
61°
28
75°
56°
29
73°
56°
30
75°
55°
1
74°
55°
2
73°
52°
3
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Lake Lotawana
Lake Lotawana's September 2026 forecast shows daily high temperatures ranging from 70° to 78°, with overnight lows between 52° and 64°. The average high for September is 74° 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 Lake Lotawana. See also: October | November | December.