S
M
T
W
T
F
S
30
83°
63°
31
86°
63°
1
86°
57°
2
83°
57°
3
85°
60°
4
79°
60°
5
79°
59°
6
80°
58°
7
79°
56°
8
82°
51°
9
78°
52°
10
77°
60°
11
83°
58°
12
82°
59°
13
82°
58°
14
83°
57°
15
82°
59°
16
Hist. Avg.
79°
56°
17
Hist. Avg.
78°
55°
18
Hist. Avg.
78°
55°
19
Hist. Avg.
78°
55°
20
Hist. Avg.
77°
54°
21
Hist. Avg.
77°
54°
22
Hist. Avg.
77°
54°
23
Hist. Avg.
76°
53°
24
Hist. Avg.
76°
53°
25
Hist. Avg.
76°
52°
26
Hist. Avg.
75°
52°
27
Hist. Avg.
75°
52°
28
Hist. Avg.
75°
51°
29
Hist. Avg.
74°
51°
30
Hist. Avg.
74°
51°
1
Hist. Avg.
73°
50°
2
Hist. Avg.
73°
50°
3
Hist. Avg.
73°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Bloomington
Bloomington's September 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 51° and 63°. The average high for September is 82° with an average low of 58°. 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 Bloomington. See also: October | November | December.
