September weather forecastEfenechtyd, United Kingdom
September
Weather in September
September, the first month of the autumn in Efenechtyd, is still a refreshing month, with an average temperature fluctuating between 9.1°C (48.4°F) and 16°C (60.8°F).Temperature
The shift into September reveals an average high-temperature of a still refreshing 16°C (60.8°F), closely mirroring August's climate. During September, the nighttime temperature averages to a chilly 9.1°C (48.4°F).Humidity
In Efenechtyd, the average relative humidity in September is 86%.Rainfall
In Efenechtyd, during September, the rain falls for 15.5 days and regularly aggregates up to 34mm (1.34") of precipitation. In Efenechtyd, during the entire year, the rain falls for 207.1 days and collects up to 510mm (20.08") of precipitation.Snowfall
June through September are months without snowfall in Efenechtyd.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 6:24 am and sunset at 8:02 pm. On the last day of September, sunrise is at 7:14 am and sunset at 6:52 pm BST.
Sunshine
In Efenechtyd, the average sunshine in September is 6.3h.UV index
In Efenechtyd, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Efenechtyd, United Kingdom
- Average high temperature in September: 16°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 (6.1°C).
- Average low temperature in September: 9.1°C
The month with the highest average low temperature is August (11.1°C).
The coldest month (with the lowest average low temperature) is February (1.7°C).
Average pressure in September
Efenechtyd, United Kingdom
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1009.1mbar).
Average wind speed in September
Efenechtyd, United Kingdom
- Average wind speed in September: 13km/h
The windiest months (with the highest average wind speed) are February and December (16.8km/h).
The calmest month (with the lowest average wind speed) is June (11.3km/h).
Average humidity in September
Efenechtyd, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are January, November and December (89%).
The month with the lowest relative humidity is May (82%).
Average rainfall in September
Efenechtyd, United Kingdom
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is June (60mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in September
Efenechtyd, United Kingdom
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is February (14.1 days).
Average snowfall in September
Efenechtyd, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (61mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Efenechtyd, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Efenechtyd, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 6h and 18min
The month with the most sunshine is May (Average sunshine: 7h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in September
Efenechtyd, United Kingdom
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is March (11.4 days).
The month with the least sunshine days is November (6 days).
Average UV index in September
Efenechtyd, 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
Efenechtyd, United Kingdom
- Average cloud cover in September: 56
The month with the most cloud cover is November (Cloud cover 66).
The months with the least cloud cover are April and May (Cloud cover 54).
Average visibility in September
Efenechtyd, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March and May (9km).
The months with the lowest visibility are January, April, June, July, August, September, October, November and December (8km).
