S
M
T
W
T
F
S
30
78°
63°
31
82°
62°
1
84°
62°
2
84°
61°
3
83°
54°
4
76°
61°
5
77°
61°
6
83°
58°
7
80°
53°
8
74°
52°
9
75°
59°
10
74°
60°
11
80°
59°
12
82°
60°
13
82°
58°
14
81°
50°
15
74°
52°
16
71°
55°
17
71°
49°
18
72°
48°
19
72°
46°
20
70°
46°
21
70°
50°
22
71°
54°
23
75°
52°
24
77°
55°
25
77°
55°
26
76°
54°
27
77°
55°
28
76°
50°
29
74°
49°
30
68°
50°
1
72°
49°
2
76°
52°
3
67°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Blue Grass
Blue Grass's September 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 42° and 63°. The average high for September is 76° 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 Blue Grass. See also: October | November | December.
