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
Withiel sees the arrival of September with an average high-temperature of a still enjoyable 16.7°C (62.1°F), indicating a subtle variation from August. Nights in September in Withiel showcase an average temperature of 13.2°C (55.8°F), slightly cooler than the daytime.Humidity
In Withiel, United Kingdom, the average relative humidity in September is 83%.Rainfall
In Withiel, in September, during 14.2 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Withiel, during the entire year, the rain falls for 197.9 days and collects up to 600mm (23.62") of precipitation.Snowfall
March through October are months without snowfall in Withiel, United Kingdom.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 6:34 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 6:59 pm BST.
Sunshine
In September, the average sunshine in Withiel is 7h.UV index
The months with the highest UV index in Withiel are May through October, 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 radiation for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Withiel in September?
What is the average humidity in September in Withiel?
How many days does it rain in September in Withiel?
When it does not snow in Withiel?
What is the average length of the day in September in Withiel?
When are sunrise and sunset in September in Withiel?
How long on average sun shines in September in Withiel?
When is the highest UV index in Withiel?
What is the UV index intensity in September in Withiel?
Average temperature in September
Withiel, United Kingdom
- Average high temperature in September: 16.7°C
The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is February (8.7°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is February (5.9°C).
Average pressure in September
Withiel, United Kingdom
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Withiel, United Kingdom
- Average wind speed in September: 20.9km/h
The windiest month (with the highest average wind speed) is December (29km/h).
The calmest month (with the lowest average wind speed) is July (18.3km/h).
Average humidity in September
Withiel, United Kingdom
- Average humidity in September: 83%
The months with the highest relative humidity are June, July and August (84%).
The months with the lowest relative humidity are February, March and November (81%).
Average rainfall in September
Withiel, United Kingdom
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is November (78mm).
The driest month (with the least rainfall) is May (29mm).
Average rainfall days in September
Withiel, United Kingdom
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is November (21 days).
The month with the least rainy days is May (14 days).
Average snowfall in September
Withiel, United Kingdom
- Average snowfall in September: 0mm
The months with the highest snowfall are February and December (3mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Withiel, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (0.6 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
Withiel, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is April (Average sunshine: 8h and 6min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Withiel, United Kingdom
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is May (14.6 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in September
Withiel, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, July, August, September and October (UV index 4).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Withiel, United Kingdom
- Average cloud cover in September: 51
The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 46).
Average visibility in September
Withiel, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is May (9km).
