September weather forecastChiseldon, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Chiseldon, United Kingdom, with an average temperature fluctuating between 17.7°C (63.9°F) and 9.8°C (49.6°F).Temperature
September's arrival brings an average high-temperature of a still refreshing 17.7°C (63.9°F), slightly deviating from August's 19.8°C (67.6°F). In the month of September, the average temperature in Chiseldon dips to a chilly 9.8°C (49.6°F) during the night.Humidity
In September, the average relative humidity is 83%.Rainfall
September is the month with the least rainfall. Rain falls for 12 days and accumulates 22mm (0.87") of precipitation.Snowfall
In Chiseldon, snow does not fall in April through October.Daylight
In Chiseldon, the average length of the day in September is 12h and 38min.On the first day of September in Chiseldon, sunrise is at 6:20 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:46 pm BST.
Sunshine
In Chiseldon, the average sunshine in September is 6.7h.UV index
In Chiseldon, United Kingdom, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 3 in September suggests the following recommendations:
Exercise prevention - Warding off sunburn is urged. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chiseldon, United Kingdom
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is August (12°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in September
Chiseldon, United Kingdom
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.2mbar).
Average wind speed in September
Chiseldon, United Kingdom
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is February (18.4km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in September
Chiseldon, United Kingdom
- Average humidity in September: 83%
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are July and August (81%).
Average rainfall in September
Chiseldon, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is June (39mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in September
Chiseldon, United Kingdom
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Chiseldon, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (20mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Chiseldon, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 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
Chiseldon, 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: 6h and 42min
The month with the most sunshine is July (Average sunshine: 7h and 24min).
The months with the least sunshine are February and November (Average sunshine: 3h and 36min).
Average sunshine days in September
Chiseldon, United Kingdom
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is December (16.2 days).
The month with the least sunshine days is July (8.6 days).
Average UV index in September
Chiseldon, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Chiseldon, United Kingdom
- Average cloud cover in September: 54
The month with the most cloud cover is November (Cloud cover 66).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in September
Chiseldon, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are February, March and July (9km).
The months with the lowest visibility are January, April, May, June, August, September, October, November and December (8km).
