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 advent of September sees the average high-temperature at a still enjoyable 16.2°C (61.2°F), subtly shifted from August's 17.5°C (63.5°F). Llangyndeyrn reports an average low temperature of 11.4°C (52.5°F) in September, a minor decrease from the day's highs.Humidity
The average relative humidity in September in Llangyndeyrn is 85%.Rainfall
In Llangyndeyrn, in September, during 15.8 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Llangyndeyrn, during the entire year, the rain falls for 210.2 days and collects up to 515mm (20.28") of precipitation.Snowfall
In Llangyndeyrn, snow does not fall in March through October.Daylight
In September, the average length of the day in Llangyndeyrn is 12h and 38min.On the first day of September, sunrise is at 6:30 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:56 pm BST.
Sunshine
In Llangyndeyrn, United Kingdom, the average sunshine in September is 6.8h.UV index
May through September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during September leads to these advisories:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What are September temperatures in Llangyndeyrn?
What is the average humidity in September in Llangyndeyrn?
How many days does it rain in September in Llangyndeyrn?
When it does not snow in Llangyndeyrn?
How many hours of daylight does Llangyndeyrn have in September?
When is the sunrise / sunset in September in Llangyndeyrn?
How many hours of sunshine does Llangyndeyrn have in September?
What are the months with the highest UV index in Llangyndeyrn?
How high is the UV index in September in Llangyndeyrn?
Average temperature in September
Llangyndeyrn, 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
Llangyndeyrn, 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
Llangyndeyrn, 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
Llangyndeyrn, 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
Llangyndeyrn, 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
Llangyndeyrn, 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
Llangyndeyrn, 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
Llangyndeyrn, 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
Llangyndeyrn, 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: 6h and 5min
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
Llangyndeyrn, 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
Llangyndeyrn, 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
Llangyndeyrn, 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
Llangyndeyrn, 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).
Llangyndeyrn, United Kingdom
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