Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The start of September sees the average high-temperature at a still comfortable 16.7°C (62.1°F), showing little difference from August's 18.2°C (64.8°F). In Fowey, September nights cool down to an average of 11.5°C (52.7°F).Humidity
In September, the average relative humidity is 85%.Rainfall
In September, the rain falls for 12.9 days. Throughout September, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Fowey, United Kingdom, there are 191.7 rainfall days, and 564mm (22.2") of precipitation is accumulated.Snowfall
In Fowey, snow does not fall in May through October.Sea temperature
In Fowey, the average seawater temperature in September is 16.2°C (61.2°F).Note: Swimming in 16.2°C (61.2°F) is not pleasurable for most people. Breathing control grows increasingly challenging as the water temperature falls under 21°C (69.8°F).
Daylight
The average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 6:33 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 6:58 pm BST.
Sunshine
In September, the average sunshine is 6.7h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake protective steps - Preventing sun damage is advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What are September temperatures in Fowey?
What is the average humidity in September in Fowey?
How much does it rain in Fowey in September?
When it does not snow in Fowey?
How cold is the water in September in Fowey?
What is the average length of the day in September in Fowey?
When are sunrise and sunset in September in Fowey?
How long on average sun shines in September in Fowey?
What are the months with the highest UV index in Fowey?
What is the UV index reading in September in Fowey?
Average temperature in September
Fowey, United Kingdom
- Average high temperature in September: 16.7°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (8.1°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is February (4.4°C).
Average pressure in September
Fowey, United Kingdom
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Fowey, United Kingdom
- Average wind speed in September: 17.5km/h
The windiest month (with the highest average wind speed) is December (24.2km/h).
The calmest month (with the lowest average wind speed) is July (15.7km/h).
Average humidity in September
Fowey, United Kingdom
- Average humidity in September: 85%
The months with the highest relative humidity are June, August and October (86%).
The months with the lowest relative humidity are February, March and April (83%).
Average rainfall in September
Fowey, United Kingdom
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is November (67mm).
The driest month (with the least rainfall) is May (28mm).
Average rainfall days in September
Fowey, United Kingdom
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is November (19.2 days).
The month with the least rainy days is September (12.9 days).
Average snowfall in September
Fowey, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Fowey, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Fowey, United Kingdom
- Average sea temperature in September: 16.2°C
The best month for swimming (with the highest average sea temperature) is August (17°C).
The coldest month (with the lowest average sea temperature) is March (9.8°C).
Average daylight in September /
Average sunshine in September
Fowey, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is April (Average sunshine: 7h and 42min).
The months with the least sunshine are January and November (Average sunshine: 3h and 42min).
Average sunshine days in September
Fowey, United Kingdom
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is September (14.2 days).
The month with the least sunshine days is November (8.9 days).
Average UV index in September
Fowey, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Fowey, United Kingdom
- Average cloud cover in September: 54
The months with the most cloud cover are November and December (Cloud cover 64).
The month with the least cloud cover is April (Cloud cover 49).
Average visibility in September
Fowey, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Fowey, United Kingdom
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