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
As Sunk Island welcomes September, the average high-temperature stabilizes at a still enjoyable 17.2°C (63°F), showing little deviation from August's 19.5°C (67.1°F). Throughout the month of September, Sunk Island witnesses an average temperature of 12.1°C (53.8°F).Humidity
In Sunk Island, United Kingdom, the average relative humidity in September is 79%.Rainfall
In Sunk Island, United Kingdom, in September, it is raining for 9.8 days, with typically 24mm (0.94") of accumulated precipitation. Throughout the year, in Sunk Island, there are 153.7 rainfall days, and 377mm (14.84") of precipitation is accumulated.Snowfall
In Sunk Island, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 6:10 am and sunset at 7:50 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:38 pm BST.
Sunshine
In Sunk Island, United Kingdom, the average sunshine in September is 7h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 4 in September leads to these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Sunk Island in September?
What is the average humidity in September in Sunk Island?
How many days does it rain in September in Sunk Island?
When it does not snow in Sunk Island?
What is the average length of the day in September in Sunk Island?
When are sunrise and sunset in September in Sunk Island?
How many hours of sunshine does Sunk Island have in September?
What is the UV index reading in September in Sunk Island?
Average temperature in September
Sunk Island, United Kingdom
- Average high temperature in September: 17.2°C
The warmest month (with the highest average high temperature) is August (19.5°C).
The month with the lowest average high temperature is January (6.4°C).
- Average low temperature in September: 12.1°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in September
Sunk Island, United Kingdom
- Average pressure in September: 1015.6mbar
The month with the highest atmospheric pressure is May (1016.3mbar).
The month with the lowest atmospheric pressure is November (1009.2mbar).
Average wind speed in September
Sunk Island, United Kingdom
- Average wind speed in September: 17.2km/h
The windiest month (with the highest average wind speed) is December (23.4km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in September
Sunk Island, United Kingdom
- Average humidity in September: 79%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Sunk Island, United Kingdom
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is October (45mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Sunk Island, United Kingdom
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is September (9.8 days).
Average snowfall in September
Sunk Island, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is January (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sunk Island, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Sunk Island, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is August (Average sunshine: 7h and 48min).
The months with the least sunshine are February and November (Average sunshine: 3h and 42min).
Average sunshine days in September
Sunk Island, United Kingdom
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
Sunk Island, United Kingdom
- Average UV index in September: 4
The month with the highest UV index is 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
Sunk Island, United Kingdom
- Average cloud cover in September: 49
The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are April, August and September (Cloud cover 49).
Average visibility in September
Sunk Island, United Kingdom
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, August, September and October (10km).
The months with the lowest visibility are January, May, June, July, November and December (9km).
