September weather forecastHanham, United Kingdom
September
Weather in September
September, the first month of the autumn in Hanham, is still a comfortable month, with temperature in the range of an average high of 17.7°C (63.9°F) and an average low of 10.2°C (50.4°F).Temperature
September's advent presents an average high-temperature of a still refreshing 17.7°C (63.9°F), indicating a slight variation from the conditions of the previous month. During September, the temperature in Hanham, United Kingdom, is averaged to a low of 10.2°C (50.4°F) at night.Humidity
In Hanham, United Kingdom, the average relative humidity in September is 83%.Rainfall
In Hanham, in September, it is raining for 13.2 days, with typically 23mm (0.91") of accumulated precipitation. Throughout the year, in Hanham, there are 175.9 rainfall days, and 386mm (15.2") of precipitation is accumulated.Snowfall
In Hanham, United Kingdom, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:56 pm. On the last day of September, in Hanham, sunrise is at 7:10 am and sunset at 6:49 pm BST.
Sunshine
The average sunshine in September in Hanham is 6.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hanham, United Kingdom
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (7°C).
- Average low temperature in September: 10.2°C
The months with the highest average low temperature are July and August (12.3°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
Hanham, 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 (1010.1mbar).
Average wind speed in September
Hanham, United Kingdom
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is February (18.1km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in September
Hanham, United Kingdom
- Average humidity in September: 83%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is July (80%).
Average rainfall in September
Hanham, United Kingdom
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is November (47mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Hanham, United Kingdom
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is February (12.2 days).
Average snowfall in September
Hanham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (14mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Hanham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Hanham, 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: 6h and 36min
The month with the most sunshine is July (Average sunshine: 7h and 30min).
The months with the least sunshine are February and November (Average sunshine: 3h and 36min).
Average sunshine days in September
Hanham, United Kingdom
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is March (14.5 days).
The month with the least sunshine days is August (9.1 days).
Average UV index in September
Hanham, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is 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
Hanham, United Kingdom
- Average cloud cover in September: 55
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 53).
Average visibility in September
Hanham, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, July and December (9km).
The months with the lowest visibility are June, August, September, October and November (8km).





