S
M
T
W
T
F
S
30
91°
66°
31
93°
71°
1
94°
71°
2
96°
71°
3
97°
73°
4
97°
73°
5
91°
68°
6
81°
63°
7
84°
60°
8
87°
65°
9
92°
73°
10
82°
68°
11
82°
65°
12
83°
69°
13
90°
67°
14
76°
56°
15
93°
71°
16
94°
71°
17
93°
71°
18
83°
64°
19
90°
68°
20
84°
68°
21
81°
65°
22
81°
64°
23
80°
61°
24
75°
57°
25
73°
55°
26
76°
56°
27
76°
57°
28
75°
51°
29
78°
56°
30
78°
57°
1
77°
57°
2
77°
55°
3
76°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Richmond
New Richmond's September 2026 forecast shows daily high temperatures ranging from 73° to 94°, with overnight lows between 51° and 71°. The average high for September is 81° with an average low of 61°. 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 New Richmond. See also: October | November | December.
