S
M
T
W
T
F
S
30
80°
60°
31
83°
60°
1
83°
54°
2
82°
53°
3
81°
58°
4
82°
58°
5
78°
57°
6
78°
57°
7
75°
56°
8
77°
50°
9
75°
48°
10
73°
55°
11
75°
56°
12
80°
55°
13
80°
56°
14
78°
55°
15
79°
56°
16
73°
47°
17
72°
53°
18
Hist. Avg.
74°
49°
19
Hist. Avg.
74°
49°
20
Hist. Avg.
73°
48°
21
Hist. Avg.
73°
48°
22
Hist. Avg.
72°
48°
23
Hist. Avg.
72°
47°
24
Hist. Avg.
72°
47°
25
Hist. Avg.
71°
46°
26
Hist. Avg.
71°
46°
27
Hist. Avg.
70°
45°
28
Hist. Avg.
70°
45°
29
Hist. Avg.
70°
44°
30
Hist. Avg.
69°
44°
1
Hist. Avg.
69°
44°
2
Hist. Avg.
68°
43°
3
Hist. Avg.
68°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Deerfield
Deerfield's September 2026 forecast shows daily high temperatures ranging from 72° to 83°, with overnight lows between 47° and 60°. The average high for September is 78° with an average low of 55°. 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 Deerfield. See also: October | November | December.
