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
On the advent of September, Tenby's average high-temperature exhibits a minor adjustment to a still enjoyable 16.2°C (61.2°F) from August's 17.3°C (63.1°F). In Tenby, a slight decrease from the daytime peak is noted during the month of September, with an average low-temperature of 13.7°C (56.7°F).Humidity
In September, the average relative humidity is 82%.Rainfall
In September, the rain falls for 17.3 days. Throughout September, 55mm (2.17") of precipitation is accumulated. Throughout the year, in Tenby, there are 220.1 rainfall days, and 757mm (29.8") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Tenby.Sea temperature
August and September, with an average sea temperature of 16.3°C (61.3°F), are months with the warmest seawater in Tenby, United Kingdom.Note: Swimming in 16.3°C (61.3°F) does not offer a pleasant experience for most individuals. The act of controlling one's breathing becomes progressively difficult as the water temperature goes under 21°C (69.8°F).
Daylight
In Tenby, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:32 am and sunset at 8:05 pm. On the last day of September, sunrise is at 7:18 am and sunset at 6:58 pm BST.
Sunshine
In September, the average sunshine in Tenby is 7.3h.UV index
The months with the highest UV index in Tenby are May through October, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 in September translates into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What are the temperatures in Tenby in September?
What is the average humidity in September in Tenby?
How much does it rain in Tenby in September?
When it does not snow in Tenby?
What months are the sea warmest in Tenby?
What is the sea temperature in September in Tenby?
What is the average length of the day in September in Tenby?
When are sunrise and sunset in September in Tenby?
How many hours of sunshine does Tenby have in September?
What are the months with the highest UV index in Tenby?
How high is the UV index in September in Tenby?
Average temperature in September
Tenby, United Kingdom
- Average high temperature in September: 16.2°C
The warmest month (with the highest average high temperature) is August (17.3°C).
The month with the lowest average high temperature is February (8.4°C).
- Average low temperature in September: 13.7°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).
Average pressure in September
Tenby, United Kingdom
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in September
Tenby, United Kingdom
- Average wind speed in September: 23.3km/h
The windiest month (with the highest average wind speed) is December (30.8km/h).
The calmest month (with the lowest average wind speed) is June (18.9km/h).
Average humidity in September
Tenby, United Kingdom
- Average humidity in September: 82%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (80%).
Average rainfall in September
Tenby, United Kingdom
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is November (102mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in September
Tenby, United Kingdom
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is November (23.2 days).
The month with the least rainy days is May (14.9 days).
Average snowfall in September
Tenby, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Tenby, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average sea temperature in September
Tenby, United Kingdom
- Average sea temperature in September: 16.3°C
The best months for swimming (with the highest average sea temperature) are August and September (16.3°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).
Average daylight in September /
Average sunshine in September
Tenby, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is May (Average sunshine: 8h and 36min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Tenby, United Kingdom
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is November (4.4 days).
Average UV index in September
Tenby, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August, September and October (UV index 4).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Tenby, United Kingdom
- Average cloud cover in September: 49
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in September
Tenby, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, November and December (9km).
Tenby, United Kingdom
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