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
September
Weather in September
Temperature
The initiation of September records an average high-temperature of a still refreshing 17°C (62.6°F), displaying a near consistency with the previous month. Watchet, in September, experiences an average temperature of 10.2°C (50.4°F) at night.Humidity
In September, the average relative humidity in Watchet is 86%.Rainfall
The months with the least rainfall in Watchet are May and September Rain falls for 14.7 days and accumulates 30mm (1.18") of rain.Snowfall
May through October are months without snowfall.Sea temperature
The months with the warmest seawater are August and September, with an average sea temperature of 16.6°C (61.9°F).Note: Swimming in water that is 16.6°C (61.9°F) is not enjoyable for most. Breathing becomes more challenging to manage as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
The average length of the day in September in Watchet, United Kingdom, is 12h and 38min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:58 pm. On the last day of September, in Watchet, sunrise is at 7:13 am and sunset at 6:53 pm BST.
Sunshine
In September, the average sunshine is 6.6h.UV index
In Watchet, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Watchet?
What is the average humidity in September in Watchet?
What is the driest month in Watchet?
How much does it rain in Watchet in September?
When it does not snow in Watchet?
What months are the sea warmest in Watchet?
What is the sea temperature in September in Watchet?
What is the average length of the day in September in Watchet?
When is the sunrise / sunset in September in Watchet?
How many hours of sunshine does Watchet have in September?
What is the UV index reading in September in Watchet?
Average temperature in September
Watchet, United Kingdom
- Average high temperature in September: 17°C
The warmest month (with the highest average high temperature) is July (19.3°C).
The month with the lowest average high temperature is January (7.3°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (12.4°C).
The coldest months (with the lowest average low temperature) are January and February (2.9°C).
Average pressure in September
Watchet, United Kingdom
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.1mbar).
Average wind speed in September
Watchet, United Kingdom
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is February (20.4km/h).
The calmest months (with the lowest average wind speed) are June and July (13.9km/h).
Average humidity in September
Watchet, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are January, November and December (88%).
The months with the lowest relative humidity are April, May and July (84%).
Average rainfall in September
Watchet, United Kingdom
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (59mm).
The driest months (with the least rainfall) are May and September (30mm).
Average rainfall days in September
Watchet, United Kingdom
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is August (18.9 days).
The month with the least rainy days is February (14 days).
Average snowfall in September
Watchet, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Watchet, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Watchet, United Kingdom
- Average sea temperature in September: 16.6°C
The best months for swimming (with the highest average sea temperature) are August and September (16.6°C).
The coldest month (with the lowest average sea temperature) is March (8.7°C).
Average daylight in September /
Average sunshine in September
Watchet, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is July (Average sunshine: 7h and 48min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in September
Watchet, United Kingdom
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is May (12.9 days).
The month with the least sunshine days is November (7.9 days).
Average UV index in September
Watchet, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (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
Watchet, United Kingdom
- Average cloud cover in September: 56
The month with the most cloud cover is November (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 51).
Average visibility in September
Watchet, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, October, November and December (9km).
The months with the lowest visibility are July, August and September (8km).
