S
M
T
W
T
F
S
30
90°
75°
31
88°
74°
1
90°
75°
2
89°
76°
3
88°
76°
4
91°
76°
5
92°
75°
6
93°
74°
7
87°
74°
8
89°
77°
9
90°
76°
10
91°
75°
11
92°
73°
12
92°
73°
13
92°
74°
14
94°
75°
15
88°
75°
16
87°
75°
17
87°
71°
18
87°
71°
19
90°
71°
20
86°
73°
21
86°
73°
22
88°
71°
23
85°
73°
24
77°
66°
25
77°
61°
26
81°
55°
27
87°
57°
28
90°
64°
29
88°
63°
30
87°
65°
1
88°
70°
2
86°
73°
3
91°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Duval
Duval's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Duval. See also: October | November | December.
