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
September brings a minor shift in the average high-temperature, adjusting from an agreeable 21.5°C (70.7°F) in August to a comfortable 18.5°C (65.3°F). In September, Totteridge encounters an average low-temperature of 11°C (51.8°F) during the night.Humidity
In Totteridge, the average relative humidity in September is 78%.Rainfall
In Totteridge, in September, it is raining for 12.4 days, with typically 24mm (0.94") of accumulated precipitation. In Totteridge, during the entire year, the rain falls for 168.8 days and collects up to 393mm (15.47") of precipitation.Snowfall
In Totteridge, snow does not fall in April through October.Daylight
In September, the average length of the day in Totteridge, United Kingdom, is 12h and 38min.On the first day of September, sunrise is at 6:14 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:40 pm BST.
Sunshine
The average sunshine in September in Totteridge is 7.2h.UV index
The average daily maximum UV index in September in Totteridge, United Kingdom, is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: In September, the UV index of 4 transforms into the following advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Totteridge in September?
What is the average humidity in September in Totteridge?
How many days does it rain in September in Totteridge?
When it does not snow in Totteridge?
How many hours of daylight does Totteridge have in September?
When is the sunrise / sunset in September in Totteridge?
How long on average sun shines in September in Totteridge?
What is the UV index intensity in September in Totteridge?
Average temperature in September
Totteridge, 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
Totteridge, 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
Totteridge, 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
Totteridge, 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
Totteridge, 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
Totteridge, 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
Totteridge, 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
Totteridge, 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
Totteridge, 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
Totteridge, 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
Totteridge, 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
Totteridge, 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
Totteridge, 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).
