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
Llanarmon Dyffryn Ceiriog's weather, upon September's arrival, documents an average high-temperature of a still refreshing 15.4°C (59.7°F), nearly identical to the prior month. The average low-temperature in Llanarmon Dyffryn Ceiriog during September nights is a chilly 7.9°C (46.2°F).Humidity
In Llanarmon Dyffryn Ceiriog, United Kingdom, the average relative humidity in September is 89%.Rainfall
September is the month with the least rainfall in Llanarmon Dyffryn Ceiriog, United Kingdom. Rain falls for 16.5 days and accumulates 36mm (1.42") of precipitation.Snowfall
In Llanarmon Dyffryn Ceiriog, snow does not fall in June through October.Daylight
In September, the average length of the day in Llanarmon Dyffryn Ceiriog is 12h and 40min.On the first day of the month, sunrise is at 6:24 am and sunset at 8:01 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:52 pm BST.
Sunshine
The average sunshine in September is 4.8h.UV index
In Llanarmon Dyffryn Ceiriog, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the temperature in September in Llanarmon Dyffryn Ceiriog?
What is the average humidity in September in Llanarmon Dyffryn Ceiriog?
What is the driest month in Llanarmon Dyffryn Ceiriog?
How many days does it rain in September in Llanarmon Dyffryn Ceiriog?
When it does not snow in Llanarmon Dyffryn Ceiriog?
What is the average length of the day in September in Llanarmon Dyffryn Ceiriog?
When is the sunrise / sunset in September in Llanarmon Dyffryn Ceiriog?
How many hours of sunshine does Llanarmon Dyffryn Ceiriog have in September?
What is the UV index intensity in September in Llanarmon Dyffryn Ceiriog?
Average temperature in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is July (18°C).
The month with the lowest average high temperature is January (5.4°C).
- Average low temperature in September: 7.9°C
The months with the highest average low temperature are July and August (9.9°C).
The coldest month (with the lowest average low temperature) is February (0.6°C).
Average pressure in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average pressure in September: 1015.8mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average wind speed in September: 11.4km/h
The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is June (10.5km/h).
Average humidity in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average humidity in September: 89%
The month with the highest relative humidity is November (93%).
The months with the lowest relative humidity are April and May (84%).
Average rainfall in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is September (36mm).
Average rainfall days in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is July (21.9 days).
The months with the least rainy days are January and February (15 days).
Average snowfall in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (48mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 4h and 5min
The month with the most sunshine is July (Average sunshine: 5h and 54min).
The month with the least sunshine is November (Average sunshine: 2h and 36min).
Average sunshine days in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average sunshine days in September: 9.3 days
The month with the most sunshine days is January (10.9 days).
The month with the least sunshine days is July (5.4 days).
Average UV index in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June and August (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average cloud cover in September: 71
The month with the most cloud cover is November (Cloud cover 77).
The month with the least cloud cover is April (Cloud cover 64).
Average visibility in September
Llanarmon Dyffryn Ceiriog, United Kingdom
- Average visibility in September: 6km
The months with the highest visibility are January, February, March, April, May, June, July, August and December (7km).
The months with the lowest visibility are September, October and November (6km).
Llanarmon Dyffryn Ceiriog, United Kingdom
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