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.

Frequently asked questions

An average high-temperature, in September, in Dervaig, is 13.9°C (57°F) and the average low-temperature is 11.8°C (53.2°F).

In September, the average relative humidity is 83%.

In Dervaig, in September, it is raining for 22.5 days, with typically 99mm (3.9") of accumulated precipitation.

In Dervaig, snow does not fall in May through November.

In Dervaig, the average day length in September is 12h and 46min.

On the first day of September, sunrise is at 6:29 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 7:01 pm BST.

The average sunshine duration in September in Dervaig, United Kingdom, is 5.6h.

The months with the highest UV index in Dervaig, United Kingdom, are May, June, August and September, with an average maximum UV index of 4.

The average daily maximum UV index in September in Dervaig is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).