September weather forecastLisvane, United Kingdom
September
Weather in September
September, the first month of the autumn in Lisvane, is still a comfortable month, with an average temperature fluctuating between 16.7°C (62.1°F) and 10.7°C (51.3°F).Temperature
In the transition from August to September, Lisvane reports an average high-temperature of a still refreshing 16.7°C (62.1°F), indicating a close resemblance to the prior month. Throughout September, Lisvane witnesses a nighttime temperature average of 10.7°C (51.3°F).Humidity
The average relative humidity in September is 85%.Rainfall
In Lisvane, in September, it is raining for 10.8 days, with typically 24mm (0.94") of accumulated precipitation. In Lisvane, during the entire year, the rain falls for 155.7 days and collects up to 409mm (16.1") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Lisvane is 12h and 38min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:12 am and sunset at 6:52 pm BST.
Sunshine
In September, the average sunshine 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 estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 4 in September translates into this advice:
Ensure safety - Recommendations to avert sunburn are presented. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lisvane, United Kingdom
- Average high temperature in September: 16.7°C
The warmest month (with the highest average high temperature) is July (18.9°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 10.7°C
The months with the highest average low temperature are July and August (12.5°C).
The coldest months (with the lowest average low temperature) are January and February (3.3°C).
Average pressure in September
Lisvane, 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 (1009.9mbar).
Average wind speed in September
Lisvane, United Kingdom
- Average wind speed in September: 15.6km/h
The windiest month (with the highest average wind speed) is February (21.5km/h).
The calmest months (with the lowest average wind speed) are June and July (14.6km/h).
Average humidity in September
Lisvane, United Kingdom
- Average humidity in September: 85%
The months with the highest relative humidity are January, November and December (87%).
The months with the lowest relative humidity are April and May (82%).
Average rainfall in September
Lisvane, United Kingdom
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (54mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Lisvane, United Kingdom
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (10.3 days).
Average snowfall in September
Lisvane, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lisvane, United Kingdom
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2 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
Lisvane, United Kingdom
- Average daylight in September: 12h and 36min
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 6min
The months with the most sunshine are April, May and July (Average sunshine: 8h and 0min).
The month with the least sunshine is November (Average sunshine: 3h and 54min).
Average sunshine days in September
Lisvane, United Kingdom
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is September (16.6 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Lisvane, 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
Lisvane, United Kingdom
- Average cloud cover in September: 51
The month with the most cloud cover is November (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 47).
Average visibility in September
Lisvane, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
