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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Porthcurno, Cornwall, UKK
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September
Average Temperature
High
17°
Feels 16
Low
15°
Feels 14
Average Precipitation
12 Days
Rain amount
58.7mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
19°
14
18°
15
17°
16
16°
17
17°
18
18°
19
18°
20
18°
21
18°
22
18°
23
18°
24
17°
25
17°
26
17°
27
17°
28
29
30
Forecast
Sunday, September 13, 2026
Day
19°
Feels 19
Wind
21 km/h SW
Gust
32 km/h
Humidity
90%
P.O.P
40%
Rain
<1 mm
Night
18°
Feels 17
Wind
19 km/h SW
Gust
28 km/h
Humidity
94%
P.O.P
30%
Historical Averages
Sep 13
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.