S
M
T
W
T
F
S
30
85°
65°
31
82°
67°
1
88°
71°
2
92°
71°
3
88°
66°
4
80°
70°
5
81°
60°
6
79°
59°
7
81°
60°
8
84°
67°
9
88°
70°
10
82°
61°
11
73°
57°
12
75°
61°
13
76°
61°
14
77°
60°
15
79°
61°
16
78°
60°
17
81°
57°
18
73°
56°
19
79°
58°
20
79°
60°
21
78°
60°
22
76°
59°
23
76°
55°
24
72°
54°
25
77°
58°
26
77°
58°
27
76°
52°
28
66°
50°
29
65°
49°
30
65°
49°
1
64°
48°
2
69°
54°
3
70°
53°
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 64° to 88°, with overnight lows between 48° and 70°. The average high for September is 76° 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 Bloomfield. See also: October | November | December.