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
A minor adjustment in Llanbedr-y-cennin's average high-temperature is noted with the start of September, touching a still refreshing 15.3°C (59.5°F) from August's 16.8°C (62.2°F). In September, Llanbedr-y-cennin's nighttime temperatures demonstrate a slight decrease, stabilizing at an average of 11.5°C (52.7°F).Humidity
In Llanbedr-y-cennin, the average relative humidity in September is 84%.Rainfall
In September, in Llanbedr-y-cennin, the rain falls for 17.9 days. Throughout September, 45mm (1.77") of precipitation is accumulated. In Llanbedr-y-cennin, during the entire year, the rain falls for 228.5 days and collects up to 604mm (23.78") of precipitation.Snowfall
In Llanbedr-y-cennin, snow does not fall in May through October.Daylight
In Llanbedr-y-cennin, the average length of the day in September is 12h and 40min.On the first day of September, sunrise is at 6:26 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:54 pm BST.
Sunshine
In Llanbedr-y-cennin, United Kingdom, the average sunshine in September is 6.5h.UV index
The months with the highest UV index in Llanbedr-y-cennin are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Frequently asked questions
What is the usual temperature for Llanbedr-y-cennin in September?
What is the average humidity in September in Llanbedr-y-cennin?
How much does it rain in Llanbedr-y-cennin in September?
When it does not snow in Llanbedr-y-cennin?
What is the average length of the day in September in Llanbedr-y-cennin?
When is the sunrise / sunset in September in Llanbedr-y-cennin?
How many hours of sunshine does Llanbedr-y-cennin have in September?
What is the month with the highest UV index in Llanbedr-y-cennin?
What is the UV index reading in September in Llanbedr-y-cennin?
Average temperature in September
Llanbedr-y-cennin, United Kingdom
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in September
Llanbedr-y-cennin, United Kingdom
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
Llanbedr-y-cennin, United Kingdom
- Average wind speed in September: 17.9km/h
The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is June (14.4km/h).
Average humidity in September
Llanbedr-y-cennin, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are January and August (85%).
The months with the lowest relative humidity are April and May (81%).
Average rainfall in September
Llanbedr-y-cennin, United Kingdom
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is November (68mm).
The driest month (with the least rainfall) is May (31mm).
Average rainfall days in September
Llanbedr-y-cennin, United Kingdom
- Average rainfall days in September: 17.9 days
The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is February (15.8 days).
Average snowfall in September
Llanbedr-y-cennin, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Llanbedr-y-cennin, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 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
Llanbedr-y-cennin, United Kingdom
- Average daylight in September: 12h and 4min
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 36min).
- Average sunshine in September: 6h and 3min
The months with the most sunshine are May and June (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).
Average sunshine days in September
Llanbedr-y-cennin, United Kingdom
- Average sunshine days in September: 8.5 days
The months with the most sunshine days are March and May (11 days).
The month with the least sunshine days is November (5.2 days).
Average UV index in September
Llanbedr-y-cennin, 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
Llanbedr-y-cennin, United Kingdom
- Average cloud cover in September: 55
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 49).
Average visibility in September
Llanbedr-y-cennin, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are March, September and October (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, November and December (9km).
Llanbedr-y-cennin, United Kingdom
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