September weather forecastDervock, United Kingdom
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Dervock, United Kingdom, with an average temperature fluctuating between 10.7°C (51.3°F) and 14.7°C (58.5°F).Temperature
Dervock's entry into September measures an average high-temperature of a still moderate 14.7°C (58.5°F), closely parallel to the preceding month. Throughout September, Dervock's nights experience a slight temperature dip to a fresh 10.7°C (51.3°F).Humidity
In September, the average relative humidity in Dervock is 85%.Rainfall
In Dervock, in September, it is raining for 19.6 days, with typically 40mm (1.57") of accumulated precipitation. In Dervock, during the entire year, the rain falls for 238.3 days and collects up to 632mm (24.88") of precipitation.Snowfall
In Dervock, snow does not fall in May through October.Daylight
In Dervock, the average length of the day in September is 12h and 43min.On the first day of the month, sunrise is at 6:33 am and sunset at 8:18 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:03 pm BST.
Sunshine
The average sunshine in September in Dervock is 6h.UV index
The months with the highest UV index are May, June, August and September, with an average maximum UV index of 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dervock, United Kingdom
- Average high temperature in September: 14.7°C
The warmest month (with the highest average high temperature) is July (16°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is February (4°C).
Average pressure in September
Dervock, United Kingdom
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is May (1015.2mbar).
The month with the lowest atmospheric pressure is November (1006.6mbar).
Average wind speed in September
Dervock, United Kingdom
- Average wind speed in September: 21.1km/h
The windiest month (with the highest average wind speed) is January (27.5km/h).
The calmest month (with the lowest average wind speed) is July (16.7km/h).
Average humidity in September
Dervock, United Kingdom
- Average humidity in September: 85%
The months with the highest relative humidity are July and August (86%).
The month with the lowest relative humidity is April (81%).
Average rainfall in September
Dervock, United Kingdom
- Average rainfall in September: 40mm
The wettest months (with the highest rainfall) are July and August (74mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Dervock, United Kingdom
- Average rainfall days in September: 19.6 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is April (16.8 days).
Average snowfall in September
Dervock, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Dervock, 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
Dervock, United Kingdom
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 18min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 6h and 0min
The month with the most sunshine is June (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Dervock, United Kingdom
- Average sunshine days in September: 6.3 days
The month with the most sunshine days is April (9.8 days).
The month with the least sunshine days is August (4.2 days).
Average UV index in September
Dervock, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are May, June, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Dervock, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Dervock, United Kingdom
- Average visibility in September: 9km
The month with the highest visibility is November (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).





