S
M
T
W
T
F
S
30
88°
66°
31
94°
69°
1
95°
70°
2
98°
70°
3
99°
71°
4
98°
71°
5
88°
68°
6
83°
66°
7
80°
64°
8
81°
63°
9
80°
64°
10
84°
66°
11
81°
63°
12
80°
61°
13
81°
61°
14
82°
60°
15
80°
64°
16
75°
64°
17
74°
63°
18
78°
61°
19
75°
60°
20
78°
60°
21
79°
57°
22
80°
59°
23
80°
62°
24
81°
62°
25
80°
61°
26
78°
60°
27
76°
61°
28
74°
60°
29
79°
59°
30
77°
57°
1
72°
53°
2
71°
53°
3
76°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Buchanan
Buchanan's September 2026 forecast shows daily high temperatures ranging from 71° to 99°, with overnight lows between 53° and 71°. The average high for September is 81° with an average low of 62°. 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 Buchanan. See also: October | November | December.
