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 average high-temperature during September registers at a still refreshing 16.5°C (61.7°F), closely corresponding to the preceding month. Waunarlwydd maintains an average of approximately a fresh 12.6°C (54.7°F) during September nights, with only a minimal decrease from the daytime temperature.Humidity
In Waunarlwydd, the average relative humidity in September is 83%.Rainfall
In Waunarlwydd, in September, it is raining for 16.9 days, with typically 55mm (2.17") of accumulated precipitation. In Waunarlwydd, during the entire year, the rain falls for 210.8 days and collects up to 785mm (30.91") of precipitation.Snowfall
April through November are months without snowfall in Waunarlwydd, United Kingdom.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September in Waunarlwydd, sunrise is at 6:29 am and sunset at 8:02 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:55 pm BST.
Sunshine
The average sunshine in September in Waunarlwydd is 7.1h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Frequently asked questions
What is the average September temperature in Waunarlwydd?
What is the average humidity in September in Waunarlwydd?
How much does it rain in Waunarlwydd in September?
When it does not snow in Waunarlwydd?
How many hours of daylight does Waunarlwydd have in September?
When is the sunrise / sunset in September in Waunarlwydd?
How long on average sun shines in September in Waunarlwydd?
What are the months with the highest UV index in Waunarlwydd?
How high is the UV index in September in Waunarlwydd?
Average temperature in September
Waunarlwydd, United Kingdom
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is February (7.8°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5°C).
Average pressure in September
Waunarlwydd, United Kingdom
- Average pressure in September: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.8mbar).
Average wind speed in September
Waunarlwydd, United Kingdom
- Average wind speed in September: 19.3km/h
The windiest month (with the highest average wind speed) is December (25.7km/h).
The calmest month (with the lowest average wind speed) is June (16.4km/h).
Average humidity in September
Waunarlwydd, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are January, August and December (84%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Waunarlwydd, United Kingdom
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is December (101mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days in September
Waunarlwydd, United Kingdom
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is December (21.4 days).
The month with the least rainy days is April (14.4 days).
Average snowfall in September
Waunarlwydd, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Waunarlwydd, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (1.1 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
Waunarlwydd, 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: 7h and 1min
The months with the most sunshine are April and May (Average sunshine: 8h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Waunarlwydd, United Kingdom
- Average sunshine days in September: 10.3 days
The month with the most sunshine days is May (13 days).
The month with the least sunshine days is December (6.6 days).
Average UV index in September
Waunarlwydd, 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 and December (UV index 2).
Average cloud cover in September
Waunarlwydd, United Kingdom
- Average cloud cover in September: 51
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and May (Cloud cover 45).
Average visibility in September
Waunarlwydd, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are March, April, June, July and October (10km).
The months with the lowest visibility are January, February, May, August, September, November and December (9km).
Waunarlwydd, United Kingdom
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