September weather forecastLlanddowror, United Kingdom
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Llanddowror, United Kingdom, with temperature in the range of an average low of 11.4°C (52.5°F) and an average high of 16.2°C (61.2°F).Temperature
September's advent presents an average high-temperature of a still enjoyable 16.2°C (61.2°F), indicating a slight variation from the conditions of the previous month. Llanddowror documents an average low-temperature of 11.4°C (52.5°F) for the nights of September.Humidity
In Llanddowror, the average relative humidity in September is 85%.Rainfall
In Llanddowror, in September, during 15.8 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Llanddowror, during the entire year, the rain falls for 210.2 days and collects up to 515mm (20.28") of precipitation.Snowfall
March through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September in Llanddowror, United Kingdom, sunrise is at 6:31 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 6:57 pm BST.
Sunshine
In Llanddowror, the average sunshine in September is 6.8h.UV index
The months with the highest UV index in Llanddowror, United Kingdom, are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be vigilant - Preventing sunburn is recommended. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Llanddowror, United Kingdom
- Average high temperature in September: 16.2°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is February (7.6°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (3.9°C).
Average pressure in September
Llanddowror, United Kingdom
- Average pressure in September: 1016.6mbar
The months with the highest atmospheric pressure are May and September (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).
Average wind speed in September
Llanddowror, United Kingdom
- Average wind speed in September: 16.9km/h
The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is June (14.5km/h).
Average humidity in September
Llanddowror, United Kingdom
- Average humidity in September: 85%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in September
Llanddowror, United Kingdom
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is November (60mm).
The driest month (with the least rainfall) is May (24mm).
Average rainfall days in September
Llanddowror, United Kingdom
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is December (20.6 days).
The month with the least rainy days is April (13.5 days).
Average snowfall in September
Llanddowror, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Llanddowror, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Llanddowror, United Kingdom
- Average daylight in September: 12h and 36min
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: 6h and 48min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 36min).
Average sunshine days in September
Llanddowror, United Kingdom
- Average sunshine days in September: 10 days
The month with the most sunshine days is March (13.2 days).
The month with the least sunshine days is August (6.3 days).
Average UV index in September
Llanddowror, 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
Llanddowror, United Kingdom
- Average cloud cover in September: 52
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 48).
Average visibility in September
Llanddowror, 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).
