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
September
Weather in September
Temperature
An average high-temperature of a still enjoyable 17°C (62.6°F) marks September, exhibiting a close resemblance to the conditions in August. Peterstone Wentlooge encounters an average low-temperature of 11.2°C (52.2°F) during September nights.Humidity
In Peterstone Wentlooge, the average relative humidity in September is 83%.Rainfall
In Peterstone Wentlooge, in September, during 13.7 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Peterstone Wentlooge, during the entire year, the rain falls for 184.4 days and collects up to 507mm (19.96") of precipitation.Snowfall
April through October are months without snowfall in Peterstone Wentlooge, United Kingdom.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:58 pm. On the last day of September, in Peterstone Wentlooge, United Kingdom, sunrise is at 7:12 am and sunset at 6:51 pm BST.
Sunshine
The average sunshine in September is 7.3h.UV index
The months with the highest UV index 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 exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Peterstone Wentlooge?
What is the average humidity in September in Peterstone Wentlooge?
How much does it rain in Peterstone Wentlooge in September?
When it does not snow in Peterstone Wentlooge?
How many hours of daylight does Peterstone Wentlooge have in September?
When is the sunrise / sunset in September in Peterstone Wentlooge?
How long on average sun shines in September in Peterstone Wentlooge?
What is the month with the highest UV index in Peterstone Wentlooge?
What is the UV index reading in September in Peterstone Wentlooge?
Average temperature in September
Peterstone Wentlooge, United Kingdom
- Average high temperature in September: 17°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 (7.3°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (3.6°C).
Average pressure in September
Peterstone Wentlooge, 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
Peterstone Wentlooge, United Kingdom
- Average wind speed in September: 16km/h
The windiest month (with the highest average wind speed) is February (22km/h).
The calmest months (with the lowest average wind speed) are June and July (14.9km/h).
Average humidity in September
Peterstone Wentlooge, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are March, April and May (82%).
Average rainfall in September
Peterstone Wentlooge, United Kingdom
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is November (64mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Peterstone Wentlooge, United Kingdom
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is November (18.8 days).
The month with the least rainy days is April (12.7 days).
Average snowfall in September
Peterstone Wentlooge, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Peterstone Wentlooge, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.6 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
Peterstone Wentlooge, 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 2min
The month with the most sunshine is July (Average sunshine: 8h and 12min).
The month with the least sunshine is November (Average sunshine: 4h and 0min).
Average sunshine days in September
Peterstone Wentlooge, United Kingdom
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is April (14.7 days).
The month with the least sunshine days is November (8 days).
Average UV index in September
Peterstone Wentlooge, 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, November and December (UV index 2).
Average cloud cover in September
Peterstone Wentlooge, United Kingdom
- Average cloud cover in September: 49
The month with the most cloud cover is November (Cloud cover 60).
The months with the least cloud cover are April and May (Cloud cover 47).
Average visibility in September
Peterstone Wentlooge, 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).
