S
M
T
W
T
F
S
30
80°
62°
31
80°
61°
1
81°
62°
2
80°
62°
3
82°
61°
4
83°
55°
5
78°
52°
6
79°
54°
7
81°
56°
8
84°
59°
9
84°
59°
10
83°
56°
11
76°
50°
12
77°
55°
13
82°
54°
14
83°
50°
15
75°
51°
16
73°
50°
17
74°
49°
18
75°
52°
19
79°
49°
20
75°
51°
21
80°
55°
22
80°
56°
23
81°
54°
24
80°
53°
25
80°
54°
26
79°
55°
27
79°
54°
28
78°
53°
29
79°
52°
30
77°
52°
1
78°
53°
2
78°
51°
3
77°
44°
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 73° to 84°, with overnight lows between 44° and 62°. The average high for September is 79° with an average low of 54°. 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.
