September weather forecastLenham, United Kingdom
September
Weather in September
September, the first month of the autumn in Lenham, is still a refreshing month, with an average temperature fluctuating between 18.2°C (64.8°F) and 12.5°C (54.5°F).Temperature
A minor adjustment in Lenham's average high-temperature is noted with the start of September, touching an enjoyable 18.2°C (64.8°F) from August's 20.7°C (69.3°F). Lenham experiences an average temperature drop to a fresh 12.5°C (54.5°F) during September nights.Humidity
In September, the average relative humidity is 79%.Rainfall
In September, in Lenham, the rain falls for 11.5 days. Throughout September, 22mm (0.87") of precipitation is accumulated. Throughout the year, there are 165.3 rainfall days, and 370mm (14.57") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Lenham, United Kingdom, is 12h and 38min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:42 pm. On the last day of September, in Lenham, sunrise is at 6:56 am and sunset at 6:36 pm BST.
Sunshine
The average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lenham, United Kingdom
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (20.7°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in September: 12.5°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in September
Lenham, United Kingdom
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1011mbar).
Average wind speed in September
Lenham, United Kingdom
- Average wind speed in September: 15.9km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is July (14.9km/h).
Average humidity in September
Lenham, United Kingdom
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (77%).
Average rainfall in September
Lenham, United Kingdom
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Lenham, United Kingdom
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is November (16.4 days).
The month with the least rainy days is September (11.5 days).
Average snowfall in September
Lenham, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Lenham, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.4 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
Lenham, 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: 8h and 0min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Lenham, United Kingdom
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is November (10.1 days).
Average UV index in September
Lenham, 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
Lenham, United Kingdom
- Average cloud cover in September: 41
The month with the most cloud cover is February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Lenham, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, April, May, September, October, November and December (9km).
