September weather forecastHampton, United Kingdom
September
Weather in September
September, the first month of the autumn in Hampton, is also an enjoyable month, with an average temperature fluctuating between 18.7°C (65.7°F) and 11.2°C (52.2°F).Temperature
Hampton experiences a transition to a refreshing 18.7°C (65.7°F) in average high-temperatures with the arrival of September, not greatly differing from August's 21.6°C (70.9°F). Hampton records a steady low-temperature average of 11.2°C (52.2°F) during September.Humidity
In Hampton, United Kingdom, the average relative humidity in September is 78%.Rainfall
In Hampton, United Kingdom, in September, during 10.5 rainfall days, 20mm (0.79") of precipitation is typically accumulated. Throughout the year, in Hampton, there are 156.9 rainfall days, and 304mm (11.97") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Hampton.Daylight
In Hampton, United Kingdom, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:41 pm BST.
Sunshine
In Hampton, the average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September in Hampton is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 during September translates into the following guidance:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hampton, United Kingdom
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (6.8°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
Hampton, United Kingdom
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).
Average wind speed in September
Hampton, United Kingdom
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is February (17.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Hampton, United Kingdom
- Average humidity in September: 78%
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (74%).
Average rainfall in September
Hampton, United Kingdom
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is November (33mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Hampton, United Kingdom
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is September (10.5 days).
Average snowfall in September
Hampton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Hampton, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.5 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
Hampton, United Kingdom
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
Hampton, United Kingdom
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (11.1 days).
Average UV index in September
Hampton, 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
Hampton, United Kingdom
- Average cloud cover in September: 48
The months with the most cloud cover are February and November (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in September
Hampton, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
