S
M
T
W
T
F
S
30
80°
48°
31
71°
50°
1
74°
56°
2
71°
58°
3
70°
60°
4
73°
51°
5
77°
48°
6
79°
49°
7
87°
50°
8
95°
56°
9
98°
62°
10
92°
65°
11
75°
54°
12
81°
50°
13
77°
52°
14
83°
52°
15
81°
50°
16
72°
56°
17
74°
52°
18
80°
50°
19
78°
51°
20
72°
53°
21
69°
54°
22
62°
49°
23
74°
49°
24
73°
57°
25
73°
48°
26
70°
49°
27
65°
50°
28
71°
49°
29
75°
51°
30
73°
53°
1
70°
51°
2
69°
50°
3
72°
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 62° to 75°, with overnight lows between 48° and 57°. The average high for September is 71° with an average low of 51°. 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.