September weather forecastDervaig, United Kingdom
September
Weather in September
September, the first month of the autumn in Dervaig, is still a mild month, with an average temperature varying between 11.8°C (53.2°F) and 13.9°C (57°F).Temperature
Shifting into September, Dervaig records an average high-temperature of a still refreshing 13.9°C (57°F), presenting minor fluctuations compared to the previous month. Registering an almost steady temperature, Dervaig's nights in September see an average low of 11.8°C (53.2°F).Humidity
In Dervaig, the average relative humidity in September is 83%.Rainfall
In September, in Dervaig, the rain falls for 22.5 days. Throughout September, 99mm (3.9") of precipitation is accumulated. Throughout the year, there are 265.3 rainfall days, and 1238mm (48.74") of precipitation is accumulated.Snowfall
In Dervaig, snow does not fall in May through November.Daylight
In Dervaig, the average length of the day in September is 12h and 46min.On the first day of the month, sunrise is at 6:29 am and sunset at 8:20 pm. On the last day of September, sunrise is at 7:27 am and sunset at 7:01 pm BST.
Sunshine
In September, the average sunshine is 5.6h.UV index
The months with the highest UV index in Dervaig are May, June, August and September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Undertake protective steps - Preventing sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dervaig, United Kingdom
- Average high temperature in September: 13.9°C
The warmest months (with the highest average high temperature) are July and August (14.8°C).
The month with the lowest average high temperature is February (7.1°C).
- Average low temperature in September: 11.8°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (5°C).
Average pressure in September
Dervaig, United Kingdom
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is November (1005.6mbar).
Average wind speed in September
Dervaig, United Kingdom
- Average wind speed in September: 25.4km/h
The windiest month (with the highest average wind speed) is January (33.9km/h).
The calmest month (with the lowest average wind speed) is June (18.1km/h).
Average humidity in September
Dervaig, United Kingdom
- Average humidity in September: 83%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is November (77%).
Average rainfall in September
Dervaig, United Kingdom
- Average rainfall in September: 99mm
The wettest month (with the highest rainfall) is October (138mm).
The driest month (with the least rainfall) is April (53mm).
Average rainfall days in September
Dervaig, United Kingdom
- Average rainfall days in September: 22.5 days
The month with the highest number of rainy days is August (25.3 days).
The month with the least rainy days is April (18.6 days).
Average snowfall in September
Dervaig, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Dervaig, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Dervaig, United Kingdom
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).
- Average sunshine in September: 5h and 36min
The month with the most sunshine is June (Average sunshine: 8h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Dervaig, United Kingdom
- Average sunshine days in September: 5.4 days
The month with the most sunshine days is May (8.8 days).
The month with the least sunshine days is December (4 days).
Average UV index in September
Dervaig, 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, March, November and December (UV index 2).
Average cloud cover in September
Dervaig, United Kingdom
- Average cloud cover in September: 63
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is April (Cloud cover 52).
Average visibility in September
Dervaig, 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).





