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
The beginning of September reveals an average high-temperature of a refreshing 17.9°C (64.2°F), showing minimal deviation from the previous month. During the September nights, an average temperature of 12.4°C (54.3°F) is observed in Swardeston.Humidity
The average relative humidity in September is 78%.Rainfall
In Swardeston, in September, during 12.3 rainfall days, 21mm (0.83") of precipitation is typically accumulated. In Swardeston, during the entire year, the rain falls for 169.3 days and collects up to 297mm (11.69") of precipitation.Snowfall
In Swardeston, snow does not fall in April through October.Daylight
In September, the average length of the day in Swardeston is 12h and 40min.On the first day of the month, sunrise is at 6:06 am and sunset at 7:42 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:34 pm BST.
Sunshine
The average sunshine in September in Swardeston is 7.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Swardeston in September?
What is the average humidity in September in Swardeston?
How many days does it rain in September in Swardeston?
When it does not snow in Swardeston?
What is the average length of the day in September in Swardeston?
What time are sunrise and sunset in September in Swardeston?
How long on average sun shines in September in Swardeston?
How high is the UV index in September in Swardeston?
Average temperature in September
Swardeston, United Kingdom
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Swardeston, United Kingdom
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in September
Swardeston, United Kingdom
- Average wind speed in September: 16.2km/h
The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in September
Swardeston, United Kingdom
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Swardeston, United Kingdom
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is October (33mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Swardeston, United Kingdom
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (11.6 days).
Average snowfall in September
Swardeston, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Swardeston, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Swardeston, 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: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).
Average sunshine days in September
Swardeston, United Kingdom
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is April (15.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Swardeston, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Swardeston, United Kingdom
- Average cloud cover in September: 43
The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Swardeston, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, August, September, October and November (10km).
The months with the lowest visibility are January, February, June, July and December (9km).
