September weather forecastDunnet, United Kingdom
September
Weather in September
September, the first month of the autumn in Dunnet, is still a mild month, with an average temperature fluctuating between 10.2°C (50.4°F) and 13.8°C (56.8°F).Temperature
On the advent of September, Dunnet's average high-temperature exhibits a minor adjustment to a still refreshing 13.8°C (56.8°F) from August's 15.1°C (59.2°F). In September, Dunnet's nights cool slightly to a consistent average temperature of 10.2°C (50.4°F).Humidity
In Dunnet, the average relative humidity in September is 84%.Rainfall
In Dunnet, United Kingdom, in September, it is raining for 19.5 days, with typically 47mm (1.85") of accumulated precipitation. Throughout the year, there are 237.5 rainfall days, and 584mm (22.99") of precipitation is accumulated.Snowfall
In Dunnet, snow does not fall in June through October.Daylight
The average length of the day in September in Dunnet is 12h and 49min.On the first day of the month, sunrise is at 6:13 am and sunset at 8:13 pm. On the last day of September, in Dunnet, sunrise is at 7:17 am and sunset at 6:49 pm BST.
Sunshine
In September, the average sunshine in Dunnet is 5.9h.UV index
June, July and September, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dunnet, United Kingdom
- Average high temperature in September: 13.8°C
The warmest month (with the highest average high temperature) is August (15.1°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in September: 10.2°C
The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (3.7°C).
Average pressure in September
Dunnet, United Kingdom
- Average pressure in September: 1010.9mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1004.1mbar).
Average wind speed in September
Dunnet, United Kingdom
- Average wind speed in September: 22.3km/h
The windiest month (with the highest average wind speed) is January (29.8km/h).
The calmest month (with the lowest average wind speed) is July (17.8km/h).
Average humidity in September
Dunnet, United Kingdom
- Average humidity in September: 84%
The months with the highest relative humidity are July and August (85%).
The months with the lowest relative humidity are March and April (79%).
Average rainfall in September
Dunnet, United Kingdom
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is October (61mm).
The driest month (with the least rainfall) is April (32mm).
Average rainfall days in September
Dunnet, United Kingdom
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is October (22.2 days).
The month with the least rainy days is February (16.4 days).
Average snowfall in September
Dunnet, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (35mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Dunnet, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.7 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Dunnet, United Kingdom
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 5h and 54min
The month with the most sunshine is June (Average sunshine: 7h and 18min).
The months with the least sunshine are January and December (Average sunshine: 3h and 36min).
Average sunshine days in September
Dunnet, United Kingdom
- Average sunshine days in September: 7.1 days
The month with the most sunshine days is June (9.5 days).
The month with the least sunshine days is December (4.3 days).
Average UV index in September
Dunnet, United Kingdom
- Average UV index in September: 4
The months with the highest UV index are June, July and September (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Dunnet, United Kingdom
- Average cloud cover in September: 60
The month with the most cloud cover is March (Cloud cover 65).
The month with the least cloud cover is April (Cloud cover 57).
Average visibility in September
Dunnet, United Kingdom
- Average visibility in September: 9km
The month with the highest visibility is April (10km).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (9km).
