S
M
T
W
T
F
S
30
65°
48°
31
65°
49°
1
62°
47°
2
63°
45°
3
59°
41°
4
58°
41°
5
59°
38°
6
58°
42°
7
57°
37°
8
56°
35°
9
57°
33°
10
55°
35°
11
56°
34°
12
54°
35°
13
54°
35°
14
58°
36°
15
65°
44°
16
66°
44°
17
68°
45°
18
66°
47°
19
68°
44°
20
64°
44°
21
64°
40°
22
61°
42°
23
56°
39°
24
55°
37°
25
56°
41°
26
54°
41°
27
58°
37°
28
58°
36°
29
57°
39°
30
56°
40°
1
58°
41°
2
59°
38°
3
58°
30°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Kathleen
Kathleen's September 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 30° and 49°. The average high for September is 60° with an average low of 40°. 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 Kathleen. See also: October | November | December.
