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 advent of September brings an average high-temperature of an enjoyable 18.7°C (65.7°F), almost identical to the preceding month. New Malden records a consistent low-temperature of 11.2°C (52.2°F) during September nights.Humidity
In September, the average relative humidity is 78%.Rainfall
In New Malden, during September, the rain falls for 10.5 days and regularly aggregates up to 20mm (0.79") of precipitation. In New Malden, during the entire year, the rain falls for 156.9 days and collects up to 304mm (11.97") of precipitation.Snowfall
April through November are months without snowfall in New Malden.Daylight
In September, the average length of the day in New Malden is 12h and 38min.On the first day of September in New Malden, sunrise is at 6:14 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:40 pm BST.
Sunshine
In September, the average sunshine is 7.5h.UV index
In New Malden, United Kingdom, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in New Malden in September?
What is the average humidity in September in New Malden?
How many days does it rain in September in New Malden?
When it does not snow in New Malden?
How many hours of daylight does New Malden have in September?
What time are sunrise and sunset in September in New Malden?
How many hours of sunshine does New Malden have in September?
What is the UV index intensity in September in New Malden?
Average temperature in September
New Malden, 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
New Malden, 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
New Malden, 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
New Malden, 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
New Malden, 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
New Malden, 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
New Malden, 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
New Malden, 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
New Malden, United Kingdom
- Average daylight in September: 12h and 4min
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 3min
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
New Malden, 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
New Malden, 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
New Malden, 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
New Malden, 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).
