S
M
T
W
T
F
S
30
81°
56°
31
77°
55°
1
75°
58°
2
75°
57°
3
76°
57°
4
75°
56°
5
74°
56°
6
73°
59°
7
73°
56°
8
74°
55°
9
75°
55°
10
73°
54°
11
72°
54°
12
73°
55°
13
72°
57°
14
72°
56°
15
76°
59°
16
77°
57°
17
78°
58°
18
78°
55°
19
70°
53°
20
71°
49°
21
Hist. Avg.
73°
52°
22
Hist. Avg.
73°
52°
23
Hist. Avg.
73°
52°
24
Hist. Avg.
72°
51°
25
Hist. Avg.
72°
51°
26
Hist. Avg.
71°
50°
27
Hist. Avg.
71°
50°
28
Hist. Avg.
70°
49°
29
Hist. Avg.
70°
49°
30
Hist. Avg.
70°
48°
1
Hist. Avg.
69°
48°
2
Hist. Avg.
69°
48°
3
Hist. Avg.
68°
47°
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 70° to 81°, with overnight lows between 49° and 59°. The average high for September is 75° with an average low of 56°. 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.
