S
M
T
W
T
F
S
30
85°
69°
31
94°
66°
1
97°
71°
2
99°
71°
3
98°
72°
4
100°
74°
5
98°
71°
6
82°
67°
7
84°
64°
8
85°
60°
9
89°
60°
10
95°
70°
11
96°
71°
12
86°
71°
13
90°
72°
14
91°
69°
15
82°
63°
16
87°
59°
17
93°
61°
18
95°
71°
19
87°
71°
20
90°
65°
21
92°
68°
22
80°
64°
23
64°
59°
24
64°
57°
25
73°
50°
26
80°
49°
27
78°
54°
28
80°
53°
29
80°
61°
30
85°
58°
1
87°
59°
2
90°
57°
3
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Carrboro
Carrboro'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 Carrboro. See also: October | November | December.