S
M
T
W
T
F
S
30
89°
64°
31
92°
64°
1
88°
59°
2
88°
64°
3
88°
70°
4
93°
69°
5
83°
65°
6
79°
64°
7
83°
64°
8
N/A
9
81°
50°
10
80°
59°
11
82°
58°
12
74°
50°
13
67°
58°
14
72°
49°
15
67°
47°
16
72°
52°
17
67°
48°
18
67°
47°
19
69°
49°
20
68°
49°
21
69°
50°
22
70°
46°
23
71°
53°
24
74°
52°
25
74°
53°
26
75°
52°
27
73°
52°
28
72°
51°
29
68°
50°
30
71°
49°
1
63°
48°
2
67°
48°
3
66°
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 63° to 82°, with overnight lows between 46° and 59°. 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 Northfield. See also: October | November | December.
