S
M
T
W
T
F
S
30
98°
61°
31
100°
71°
1
101°
72°
2
101°
72°
3
101°
76°
4
101°
76°
5
102°
75°
6
101°
75°
7
101°
75°
8
101°
74°
9
99°
75°
10
97°
74°
11
89°
70°
12
95°
71°
13
91°
70°
14
90°
69°
15
89°
71°
16
84°
67°
17
83°
66°
18
82°
67°
19
84°
66°
20
86°
66°
21
87°
67°
22
88°
66°
23
87°
65°
24
86°
66°
25
84°
66°
26
81°
61°
27
75°
56°
28
75°
53°
29
73°
52°
30
74°
55°
1
77°
58°
2
79°
60°
3
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jonesboro
Jonesboro's September 2026 forecast shows daily high temperatures ranging from 73° to 102°, with overnight lows between 52° and 76°. The average high for September is 88° with an average low of 67°. 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 Jonesboro. See also: October | November | December.
