S
M
T
W
T
F
S
30
97°
73°
31
97°
72°
1
96°
76°
2
97°
75°
3
95°
74°
4
90°
75°
5
94°
75°
6
95°
74°
7
96°
75°
8
96°
75°
9
95°
74°
10
95°
75°
11
94°
75°
12
94°
73°
13
93°
69°
14
87°
67°
15
85°
67°
16
88°
68°
17
91°
71°
18
92°
70°
19
85°
69°
20
86°
70°
21
92°
72°
22
91°
71°
23
90°
64°
24
91°
63°
25
82°
62°
26
82°
62°
27
Hist. Avg.
85°
64°
28
Hist. Avg.
85°
64°
29
Hist. Avg.
84°
64°
30
Hist. Avg.
84°
63°
1
Hist. Avg.
84°
63°
2
Hist. Avg.
83°
62°
3
Hist. Avg.
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Lake Worth
Lake Worth's September 2026 forecast shows daily high temperatures ranging from 82° to 97°, with overnight lows between 62° and 76°. The average high for September is 92° with an average low of 71°. 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 Worth. See also: October | November | December.