S
M
T
W
T
F
S
30
77°
62°
31
78°
63°
1
82°
58°
2
77°
58°
3
78°
59°
4
77°
56°
5
76°
56°
6
79°
60°
7
80°
58°
8
77°
62°
9
81°
61°
10
76°
61°
11
79°
60°
12
80°
60°
13
80°
59°
14
81°
61°
15
80°
59°
16
80°
54°
17
77°
57°
18
71°
60°
19
77°
59°
20
79°
59°
21
78°
57°
22
77°
50°
23
74°
55°
24
73°
56°
25
Hist. Avg.
71°
53°
26
Hist. Avg.
70°
53°
27
Hist. Avg.
70°
52°
28
Hist. Avg.
70°
52°
29
Hist. Avg.
69°
52°
30
Hist. Avg.
69°
51°
1
Hist. Avg.
69°
51°
2
Hist. Avg.
68°
50°
3
Hist. Avg.
68°
50°
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 71° to 82°, with overnight lows between 50° and 63°. The average high for September is 78° 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 Northfield. See also: October | November | December.
