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 denotes a minimal variation in the average high-temperature to a refreshing 18.6°C (65.5°F) from August's 21.5°C (70.7°F). During September, the nighttime temperature in Thundersley averages of 11.8°C (53.2°F).Humidity
The average relative humidity in September in Thundersley, United Kingdom, is 77%.Rainfall
In Thundersley, in September, during 9.3 rainfall days, 20mm (0.79") of precipitation is typically accumulated. In Thundersley, during the entire year, the rain falls for 149.2 days and collects up to 332mm (13.07") of precipitation.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 38min.On the first day of the month, sunrise is at 6:11 am and sunset at 7:43 pm. On the last day of September, in Thundersley, sunrise is at 6:57 am and sunset at 6:37 pm BST.
Sunshine
The average sunshine in September is 7.4h.UV index
In Thundersley, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Undertake precautions - Guarding against sun damage is counselled. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Thundersley?
What is the average humidity in September in Thundersley?
How many days does it rain in September in Thundersley?
When it does not snow in Thundersley?
How many hours of daylight does Thundersley have in September?
What time are sunrise and sunset in September in Thundersley?
How long on average sun shines in September in Thundersley?
What is the UV index reading in September in Thundersley?
Average temperature in September
Thundersley, United Kingdom
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (2.3°C).
Average pressure in September
Thundersley, United Kingdom
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in September
Thundersley, United Kingdom
- Average wind speed in September: 13.7km/h
The windiest month (with the highest average wind speed) is February (18.8km/h).
The calmest month (with the lowest average wind speed) is July (13.4km/h).
Average humidity in September
Thundersley, United Kingdom
- Average humidity in September: 77%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in September
Thundersley, United Kingdom
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is June (35mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Thundersley, United Kingdom
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is September (9.3 days).
Average snowfall in September
Thundersley, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Thundersley, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 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
Thundersley, 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 2min
The month with the most sunshine is August (Average sunshine: 8h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Thundersley, United Kingdom
- Average sunshine days in September: 18.9 days
The month with the most sunshine days is September (18.9 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in September
Thundersley, 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
Thundersley, United Kingdom
- Average cloud cover in September: 46
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 46).
Average visibility in September
Thundersley, United Kingdom
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
