S
M
T
W
T
F
S
30
98°
64°
31
95°
66°
1
98°
65°
2
99°
65°
3
98°
63°
4
94°
60°
5
93°
61°
6
92°
60°
7
91°
58°
8
90°
59°
9
90°
59°
10
91°
61°
11
93°
62°
12
94°
62°
13
97°
61°
14
96°
58°
15
92°
57°
16
90°
60°
17
90°
63°
18
93°
62°
19
91°
62°
20
95°
61°
21
95°
62°
22
88°
60°
23
88°
56°
24
87°
54°
25
86°
54°
26
84°
55°
27
84°
56°
28
87°
55°
29
85°
55°
30
91°
58°
1
84°
55°
2
85°
54°
3
Hist. Avg.
86°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Harold
Harold's September 2026 forecast shows daily high temperatures ranging from 84° to 99°, with overnight lows between 54° and 66°. The average high for September is 91° with an average low of 60°. 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 Harold. See also: October | November | December.
