S
M
T
W
T
F
S
30
75°
57°
31
72°
63°
1
71°
64°
2
72°
64°
3
81°
63°
4
77°
59°
5
74°
57°
6
73°
52°
7
76°
47°
8
77°
50°
9
72°
62°
10
76°
61°
11
71°
49°
12
78°
46°
13
81°
63°
14
66°
48°
15
69°
43°
16
77°
57°
17
71°
63°
18
73°
53°
19
64°
44°
20
60°
52°
21
63°
46°
22
64°
44°
23
N/A
24
69°
37°
25
75°
48°
26
71°
53°
27
62°
52°
28
65°
52°
29
67°
52°
30
71°
57°
1
73°
54°
2
72°
53°
3
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Whitesboro
Whitesboro's September 2026 forecast shows daily high temperatures ranging from 62° to 75°, with overnight lows between 48° and 57°. The average high for September is 69° with an average low of 53°. 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 Whitesboro. See also: October | November | December.
