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
September
Weather in September
Temperature
The advent of September brings an average high-temperature of a mild 15.9°C (60.6°F), exhibiting minor difference from the previous month. The temperature in Llangeler during September sees a subtle transition from day to night, averaging a low of 11.9°C (53.4°F).Humidity
The average relative humidity in September in Llangeler is 84%.Rainfall
In Llangeler, in September, during 14.8 rainfall days, 32mm (1.26") of precipitation is typically accumulated. Throughout the year, in Llangeler, there are 198.1 rainfall days, and 426mm (16.77") of precipitation is accumulated.Snowfall
In Llangeler, snow does not fall in April through October.Daylight
In Llangeler, the average length of the day in September is 12h and 39min.On the first day of September, sunrise is at 6:30 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:56 pm BST.
Sunshine
In Llangeler, the average sunshine in September is 6.7h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Llangeler in September?
What is the average humidity in September in Llangeler?
How many days does it rain in September in Llangeler?
When it does not snow in Llangeler?
What is the average length of the day in September in Llangeler?
When are sunrise and sunset in September in Llangeler?
How many hours of sunshine does Llangeler have in September?
When is the highest UV index in Llangeler?
How high is the UV index in September in Llangeler?
Average temperature in September
Llangeler, United Kingdom
- Average high temperature in September: 15.9°C
The warmest month (with the highest average high temperature) is July (17.6°C).
The month with the lowest average high temperature is February (7.7°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is February (4.3°C).
Average pressure in September
Llangeler, 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 (1009.4mbar).
Average wind speed in September
Llangeler, United Kingdom
- Average wind speed in September: 18.3km/h
The windiest month (with the highest average wind speed) is December (24.6km/h).
The calmest month (with the lowest average wind speed) is June (15.2km/h).
Average humidity in September
Llangeler, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are January, July, August and December (85%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in September
Llangeler, United Kingdom
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is May (20mm).
Average rainfall days in September
Llangeler, United Kingdom
- Average rainfall days in September: 14.8 days
The month with the highest number of rainy days is November (20.1 days).
The month with the least rainy days is April (13.5 days).
Average snowfall in September
Llangeler, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is December (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Llangeler, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (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
Llangeler, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is May (Average sunshine: 8h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).
Average sunshine days in September
Llangeler, United Kingdom
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is April (14.3 days).
The month with the least sunshine days is November (6.8 days).
Average UV index in September
Llangeler, 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 and December (UV index 2).
Average cloud cover in September
Llangeler, United Kingdom
- Average cloud cover in September: 53
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 48).
Average visibility in September
Llangeler, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, September, October and November (10km).
The months with the lowest visibility are January, April, May, June, July, August and December (9km).
