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 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 shift into September uncovers an average high-temperature of a still enjoyable 16.8°C (62.2°F), subtly different from the previous month. The low-temperature in Llanveynoe averages to a chilly 8.8°C (47.8°F) during the nights of September.Humidity
In Llanveynoe, the average relative humidity in September is 86%.Rainfall
The month with the least rainfall is September, when the rain falls for 6.2 days and typically collects 8mm (0.31") of precipitation.Snowfall
In Llanveynoe, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 39min.On the first day of September, sunrise is at 6:24 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:51 pm BST.
Sunshine
In Llanveynoe, the average sunshine in September is 6.3h.UV index
In Llanveynoe, 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 unprotected exposure to Sun's UV rays for the average person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Undertake protective steps - Preventing sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
What is the usual temperature for Llanveynoe in September?
What is the average humidity in September in Llanveynoe?
What is the driest month in Llanveynoe?
How many days does it rain in September in Llanveynoe?
When it does not snow in Llanveynoe?
What is the average length of the day in September in Llanveynoe?
When is the sunrise / sunset in September in Llanveynoe?
How many hours of sunshine does Llanveynoe have in September?
What is the UV index intensity in September in Llanveynoe?
Average temperature in September
Llanveynoe, United Kingdom
- Average high temperature in September: 16.8°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 (6°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is July (11°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Llanveynoe, United Kingdom
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in September
Llanveynoe, United Kingdom
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is June (12.2km/h).
Average humidity in September
Llanveynoe, United Kingdom
- Average humidity in September: 86%
The months with the highest relative humidity are November and December (91%).
The months with the lowest relative humidity are April, May and July (84%).
Average rainfall in September
Llanveynoe, United Kingdom
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is November (23mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days in September
Llanveynoe, United Kingdom
- Average rainfall days in September: 6.2 days
The month with the highest number of rainy days is July (10.9 days).
The month with the least rainy days is September (6.2 days).
Average snowfall in September
Llanveynoe, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Llanveynoe, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Llanveynoe, 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 48min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is July (Average sunshine: 7h and 6min).
The month with the least sunshine is November (Average sunshine: 3h and 30min).
Average sunshine days in September
Llanveynoe, United Kingdom
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is September (20.5 days).
The month with the least sunshine days is July (14.8 days).
Average UV index in September
Llanveynoe, 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
Llanveynoe, United Kingdom
- Average cloud cover in September: 58
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 56).
Average visibility in September
Llanveynoe, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February and March (9km).
The months with the lowest visibility are January, April, May, June, July, August, September, October, November and December (8km).
Llanveynoe, United Kingdom
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