S
M
T
W
T
F
S
30
81°
65°
31
84°
65°
1
84°
57°
2
80°
58°
3
82°
63°
4
77°
63°
5
77°
62°
6
76°
61°
7
78°
57°
8
80°
53°
9
76°
54°
10
75°
62°
11
79°
60°
12
80°
61°
13
81°
61°
14
80°
60°
15
79°
61°
16
73°
52°
17
72°
52°
18
72°
51°
19
Hist. Avg.
75°
54°
20
Hist. Avg.
75°
54°
21
Hist. Avg.
75°
53°
22
Hist. Avg.
74°
53°
23
Hist. Avg.
74°
52°
24
Hist. Avg.
73°
52°
25
Hist. Avg.
73°
51°
26
Hist. Avg.
73°
51°
27
Hist. Avg.
72°
51°
28
Hist. Avg.
72°
50°
29
Hist. Avg.
71°
50°
30
Hist. Avg.
71°
49°
1
Hist. Avg.
70°
49°
2
Hist. Avg.
70°
48°
3
Hist. Avg.
70°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Northfield
Northfield's September 2026 forecast shows daily high temperatures ranging from 72° to 84°, with overnight lows between 51° and 65°. The average high for September is 78° 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 Northfield. See also: October | November | December.
