S
M
T
W
T
F
S
30
84°
59°
31
76°
58°
1
74°
57°
2
74°
58°
3
73°
62°
4
74°
63°
5
81°
55°
6
80°
59°
7
Hist. Avg.
76°
58°
8
Hist. Avg.
76°
57°
9
Hist. Avg.
76°
57°
10
Hist. Avg.
75°
57°
11
Hist. Avg.
75°
56°
12
Hist. Avg.
75°
56°
13
Hist. Avg.
74°
56°
14
Hist. Avg.
74°
55°
15
Hist. Avg.
74°
55°
16
Hist. Avg.
73°
54°
17
Hist. Avg.
73°
54°
18
Hist. Avg.
72°
53°
19
Hist. Avg.
72°
53°
20
Hist. Avg.
71°
52°
21
Hist. Avg.
71°
52°
22
Hist. Avg.
70°
52°
23
Hist. Avg.
70°
51°
24
Hist. Avg.
70°
51°
25
Hist. Avg.
69°
50°
26
Hist. Avg.
69°
50°
27
Hist. Avg.
68°
49°
28
Hist. Avg.
68°
49°
29
Hist. Avg.
67°
48°
30
Hist. Avg.
67°
48°
1
Hist. Avg.
66°
47°
2
Hist. Avg.
66°
47°
3
Hist. Avg.
65°
46°
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 73° to 84°, with overnight lows between 55° and 63°. The average high for September is 77° with an average low of 59°. 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.
