September weather forecastCilgerran, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Cilgerran, United Kingdom, with an average temperature ranging between max 15.9°C (60.6°F) and min 11.9°C (53.4°F).Temperature
The transition into September marks the average high-temperature at a still refreshing 15.9°C (60.6°F), differing minimally from August's 17.3°C (63.1°F). Cilgerran observes a minimal variance in temperature, with a consistent average low of 11.9°C (53.4°F) during the nights of September.Humidity
The average relative humidity in September is 84%.Rainfall
In Cilgerran, in September, during 14.8 rainfall days, 32mm (1.26") of precipitation is typically accumulated. Throughout the year, there are 198.1 rainfall days, and 426mm (16.77") of precipitation is accumulated.Snowfall
In Cilgerran, United Kingdom, snow does not fall in April through October.Daylight
In September, the average length of the day in Cilgerran is 12h and 39min.On the first day of September, sunrise is at 6:31 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 6:57 pm BST.
Sunshine
The average sunshine in September in Cilgerran is 6.7h.UV index
The months with the highest UV index in Cilgerran are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Make use of precautions - It is urged to ward off sun damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cilgerran, 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
Cilgerran, 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
Cilgerran, 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
Cilgerran, 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
Cilgerran, 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
Cilgerran, 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
Cilgerran, 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
Cilgerran, 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
Cilgerran, United Kingdom
- Average daylight in September: 12h and 36min
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 42min
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
Cilgerran, 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
Cilgerran, 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
Cilgerran, 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
Cilgerran, 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).
