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
Weather in September
Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a pleasant 21.5°C (70.7°F) in August to a comfortable 18.5°C (65.3°F). New Barnet, during September nights, observes an average temperature of 11°C (51.8°F).Humidity
The average relative humidity in September in New Barnet is 78%.Rainfall
In New Barnet, in September, during 12.4 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, in New Barnet, there are 168.8 rainfall days, and 393mm (15.47") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In New Barnet, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:40 pm BST.
Sunshine
The average sunshine in September in New Barnet is 7.2h.UV index
In New Barnet, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. To guard against the harmful effects of the Sun, minimize exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
What is the average September temperature in New Barnet?
What is the average humidity in September in New Barnet?
How many days does it rain in September in New Barnet?
When it does not snow in New Barnet?
How many hours of daylight does New Barnet have in September?
When is the sunrise / sunset in September in New Barnet?
How long on average sun shines in September in New Barnet?
How high is the UV index in September in New Barnet?
Average temperature in September
New Barnet, United Kingdom
- Average high temperature in September: 18.5°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 (6.5°C).
- Average low temperature in September: 11°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 (1.8°C).
Average pressure in September
New Barnet, United Kingdom
- Average pressure in September: 1016.8mbar
The months with the highest atmospheric pressure are May and September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
New Barnet, United Kingdom
- Average wind speed in September: 12.9km/h
The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in September
New Barnet, United Kingdom
- Average humidity in September: 78%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
New Barnet, United Kingdom
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is December (47mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
New Barnet, United Kingdom
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is March (12.2 days).
Average snowfall in September
New Barnet, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
New Barnet, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 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 Barnet, United Kingdom
- Average daylight in September: 12h and 4min
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: 7h and 1min
The months with the most sunshine are July and August (Average sunshine: 8h and 6min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in September
New Barnet, United Kingdom
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is September (15.3 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in September
New Barnet, 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 Barnet, United Kingdom
- Average cloud cover in September: 48
The months with the most cloud cover are February and November (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 48).
Average visibility in September
New Barnet, 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).
New Barnet, United Kingdom
Weather forecast for your location
2. Allow the app to use your location
