S
M
T
W
T
F
S
30
83°
66°
31
83°
69°
1
90°
71°
2
91°
70°
3
89°
69°
4
81°
63°
5
78°
59°
6
76°
59°
7
82°
58°
8
80°
60°
9
81°
62°
10
77°
59°
11
78°
53°
12
71°
52°
13
72°
54°
14
76°
58°
15
72°
58°
16
70°
57°
17
71°
51°
18
68°
48°
19
67°
49°
20
69°
53°
21
73°
55°
22
75°
56°
23
76°
56°
24
76°
55°
25
74°
52°
26
73°
53°
27
74°
54°
28
73°
53°
29
74°
52°
30
69°
47°
1
65°
45°
2
67°
51°
3
71°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bloomfield
Bloomfield's September 2026 forecast shows daily high temperatures ranging from 65° to 91°, with overnight lows between 45° and 71°. The average high for September is 76° with an average low of 57°. 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 Bloomfield. See also: October | November | December.