Cornwall September Weather
Typical Cornwall September Weather
1991–2020
|
Average daily high |
72.3 °F |
Average daily low |
49.7 °F |
Average monthly precipitation |
3.1 inches |
Average monthly snow |
none |
Daily chance of precipitation |
28.9% |
Daily chance of snow |
0% |
Note: Daily averages are a moving average which includes 14 days before and after
Day |
Average (°F) |
Record (°F) |
High |
Low |
High |
Low |
September 1 |
76.5 |
53.8 |
94 |
37 |
September 2 |
76.3 |
53.5 |
94 |
22 |
September 3 |
76.0 |
53.3 |
95 |
34 |
September 4 |
75.8 |
53.1 |
96 |
39 |
September 5 |
75.5 |
52.7 |
95 |
35 |
September 6 |
75.2 |
52.3 |
92 |
32 |
September 7 |
75.0 |
52.1 |
94 |
35 |
September 8 |
74.8 |
51.9 |
93 |
35 |
September 9 |
74.5 |
51.6 |
92 |
33 |
September 10 |
74.1 |
51.3 |
96 |
32 |
September 11 |
73.8 |
50.9 |
94 |
33 |
September 12 |
73.5 |
50.5 |
91 |
27 |
September 13 |
73.2 |
50.3 |
90 |
32 |
September 14 |
72.9 |
50.1 |
91 |
29 |
September 15 |
72.5 |
49.8 |
93 |
32 |
September 16 |
72.1 |
49.5 |
93 |
29 |
September 17 |
71.6 |
49.2 |
90 |
30 |
September 18 |
71.2 |
48.8 |
90 |
33 |
September 19 |
70.7 |
48.4 |
87 |
29 |
September 20 |
70.2 |
48.1 |
88 |
28 |
September 21 |
69.7 |
47.7 |
90 |
27 |
September 22 |
69.2 |
47.3 |
88 |
27 |
September 23 |
68.7 |
46.8 |
90 |
28 |
September 24 |
68.3 |
46.4 |
88 |
23 |
September 25 |
67.8 |
45.9 |
91 |
31 |
September 26 |
67.5 |
45.7 |
90 |
27 |
September 27 |
67.2 |
45.5 |
88 |
23 |
September 28 |
66.8 |
45.1 |
87 |
24 |
September 29 |
66.3 |
44.6 |
83 |
22 |
September 30 |
65.9 |
44.2 |
85 |
22 |
Weather Station Details
Years |
Station |
Coordinates |
1886–2024 |
Cornwall |
location |