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September weather forecast in Cornwall
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
30 days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun
Sunday
Mon
Monday
Tue
Tuesday
Wed
Wednesday
Thu
Thursday
Fri
Friday
Sat
Saturday
1
+24
+18
1 September, sun
+24
+18
Feels like
+25
756 mmHg
68%
4.9
m/s
SW
1 September, Sunday. day, 24°; night, 18°; rain
2
+23
+18
2 September, mon
+23
+18
Feels like
+23
754 mmHg
68%
5.1
m/s
SW
2 September, Monday. day, 23°; night, 18°; partly cloudy
3
+24
+17
3 September, tue
+24
+17
Feels like
+23
754 mmHg
62%
6.5
m/s
SW
3 September, Tuesday. day, 24°; night, 17°; partly cloudy
4
+21
+18
4 September, wed
+21
+18
Feels like
+21
756 mmHg
69%
6
m/s
SW
4 September, Wednesday. day, 21°; night, 18°; clear
5
+22
+16
5 September, thu
+22
+16
Feels like
+22
757 mmHg
67%
6.3
m/s
SW
5 September, Thursday. day, 22°; night, 16°; rain
6
+22
+17
6 September, fri
+22
+17
Feels like
+22
755 mmHg
70%
5.6
m/s
SW
6 September, Friday. day, 22°; night, 17°; clear
7
+21
+18
7 September, sat
+21
+18
Feels like
+20
756 mmHg
70%
5.5
m/s
SW
7 September, Saturday. day, 21°; night, 18°; clear
8
+21
+17
8 September, sun
+21
+17
Feels like
+20
755 mmHg
69%
5.8
m/s
SW
8 September, Sunday. day, 21°; night, 17°; overcast
9
+20
+15
9 September, mon
+20
+15
Feels like
+19
757 mmHg
68%
4.5
m/s
NW
9 September, Monday. day, 20°; night, 15°; rain
10
+21
+15
10 September, tue
+21
+15
Feels like
+20
757 mmHg
63%
5.6
m/s
SW
10 September, Tuesday. day, 21°; night, 15°; partly cloudy
11
+19
+15
11 September, wed
+19
+15
Feels like
+17
756 mmHg
68%
6.1
m/s
SW
11 September, Wednesday. day, 19°; night, 15°; clear
12
+19
+15
12 September, thu
+19
+15
Feels like
+18
754 mmHg
73%
6
m/s
SW
12 September, Thursday. day, 19°; night, 15°; clear
13
+19
+14
13 September, fri
+19
+14
Feels like
+18
756 mmHg
68%
5.3
m/s
W
13 September, Friday. day, 19°; night, 14°; partly cloudy
14
+19
+15
14 September, sat
+19
+15
Feels like
+18
756 mmHg
69%
5.8
m/s
W
14 September, Saturday. day, 19°; night, 15°; clear
15
+16
+14
15 September, sun
+16
+14
Feels like
+14
759 mmHg
69%
6
m/s
NW
15 September, Sunday. day, 16°; night, 14°; rain
16
+18
+11
16 September, mon
+18
+11
Feels like
+16
760 mmHg
62%
4.3
m/s
SW
16 September, Monday. day, 18°; night, 11°; clear
17
+20
+13
17 September, tue
+20
+13
Feels like
+19
758 mmHg
63%
5.5
m/s
SW
17 September, Tuesday. day, 20°; night, 13°; partly cloudy
18
+19
+14
18 September, wed
+19
+14
Feels like
+17
757 mmHg
63%
5.6
m/s
SW
18 September, Wednesday. day, 19°; night, 14°; partly cloudy
19
+20
+13
19 September, thu
+20
+13
Feels like
+18
758 mmHg
62%
5.5
m/s
SW
19 September, Thursday. day, 20°; night, 13°; clear
20
+21
+15
20 September, fri
+21
+15
Feels like
+20
756 mmHg
62%
6.1
m/s
S
20 September, Friday. day, 21°; night, 15°; clear
21
+19
+16
21 September, sat
+19
+16
Feels like
+17
757 mmHg
69%
6.4
m/s
SW
21 September, Saturday. day, 19°; night, 16°; clear
22
+19
+14
22 September, sun
+19
+14
Feels like
+17
759 mmHg
69%
5.8
m/s
SW
22 September, Sunday. day, 19°; night, 14°; clear
23
+19
+13
23 September, mon
+19
+13
Feels like
+18
760 mmHg
68%
5.4
m/s
NW
23 September, Monday. day, 19°; night, 13°; clear
24
+19
+14
24 September, tue
+19
+14
Feels like
+17
760 mmHg
62%
5.1
m/s
W
24 September, Tuesday. day, 19°; night, 14°; clear
25
+20
+14
25 September, wed
+20
+14
Feels like
+18
760 mmHg
62%
4.5
m/s
SE
25 September, Wednesday. day, 20°; night, 14°; clear
26
+21
+15
26 September, thu
+21
+15
Feels like
+20
757 mmHg
68%
4.5
m/s
S
26 September, Thursday. day, 21°; night, 15°; rain
27
+19
+15
27 September, fri
+19
+15
Feels like
+18
755 mmHg
73%
5.6
m/s
S
27 September, Friday. day, 19°; night, 15°; rain
28
+19
+15
28 September, sat
+19
+15
Feels like
+17
754 mmHg
75%
5.9
m/s
S
28 September, Saturday. day, 19°; night, 15°; rain
29
+16
+11
29 September, sun
+16
+11
Feels like
+13
756 mmHg
73%
6
m/s
NE
29 September, Sunday. day, 16°; night, 11°; partly cloudy
30
+15
+10
30 September, mon
+15
+10
Feels like
+12
757 mmHg
70%
5.4
m/s
N
30 September, Monday. day, 15°; night, 10°; clear
1
+15
+10
1 October, tue
+15
+10
Feels like
+12
757 mmHg
73%
5.6
m/s
N
1 October, Tuesday. day, 15°; night, 10°; clear
2
+16
+10
2 October, wed
+16
+10
Feels like
+13
757 mmHg
72%
4.9
m/s
E
2 October, Wednesday. day, 16°; night, 10°; partly cloudy
3
+15
+12
3 October, thu
+15
+12
Feels like
+13
757 mmHg
75%
6.1
m/s
SE
3 October, Thursday. day, 15°; night, 12°; overcast
4
+15
+11
4 October, fri
+15
+11
Feels like
+12
758 mmHg
68%
5.8
m/s
W
4 October, Friday. day, 15°; night, 11°; rain
5
+15
+11
5 October, sat
+15
+11
Feels like
+12
757 mmHg
72%
5.9
m/s
SW
5 October, Saturday. day, 15°; night, 11°; overcast
Average data for 10 years
Cornwall September
15
sunny days
7
days with precipitation
8
cloudy days
15 sunny days; 7 days with precipitation; 8 cloudy days;
68
%
air humidity
3.9
m/s
Wind
SW
69
mm of precipitation
(8% of annual average)
air humidity 68%; 69 millimeters of precipitation (8% of annual average); Wind south-westerly 3.9 Meters per second
Weather graphs for September
Temperature
Precipitation chance, %
Humidity, %
Wind, m/s
Pressure, mmHg
SW
SW
SW
SW
SW
SW
SW
SW
NW
SW
SW
SW
W
W
NW
SW
SW
SW
SW
S
SW
SW
NW
W
SE
S
S
S
NE
N
1
Average data for 10 years
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Daytime temperature
Night-time temperature
Cities near you
Ottawa
Montreal
Quebec
Anjou
Brooklyn
Gatineau
Concord
Scranton
Syracuse
Cities with similar weather in September
Vienna
Beltsi
Sofia
Bratislava
Edinets
Soroki
Strasbourg
Floresti
Ribnitsa
