September weather forecastDolgarrog, United Kingdom

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Dolgarrog, United Kingdom, with an average temperature ranging between min 11.5°C (52.7°F) and max 15.3°C (59.5°F).

Temperature

As August turns into September, the average high-temperatures rest at a mild 15.3°C (59.5°F), showing a minor variation from the prior month. Dolgarrog registers a subtle dip to an average of 11.5°C (52.7°F) during the nights of September.

Humidity

In September, the average relative humidity is 84%.

Rainfall

In September, the rain falls for 17.9 days. Throughout September, 45mm (1.77") of precipitation is accumulated. Throughout the year, in Dolgarrog, there are 228.5 rainfall days, and 604mm (23.78") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in September in Dolgarrog is 12h and 40min.
On the first day of the month, sunrise is at 6:26 am and sunset at 8:04 pm. On the last day of September, in Dolgarrog, sunrise is at 7:16 am and sunset at 6:54 pm BST.

Sunshine

In Dolgarrog, the average sunshine in September is 6.5h.

UV index

The months with the highest UV index are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

In September, the average high-temperature and low-temperature in Dolgarrog, United Kingdom, are 15.3°C (59.5°F) and 11.5°C (52.7°F) respectively.

In Dolgarrog, United Kingdom, the average relative humidity in September is 84%.

In Dolgarrog, United Kingdom, in September, it is raining for 17.9 days, with typically 45mm (1.77") of accumulated precipitation.

In Dolgarrog, United Kingdom, snow does not fall in May through October.

In Dolgarrog, United Kingdom, the average day length in September is 12h and 40min.

In September, on the first day of the month, sunrise is at 6:26 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 6:54 pm BST.

The average sunshine duration in September in Dolgarrog is 6.5h.

The months with the highest UV index are May through September, with an average maximum UV index of 4.

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
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
Dolgarrog, United Kingdom

  • Average high temperature in September: 15.3°C

The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in September: 11.5°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).

Average pressure in September
Dolgarrog, United Kingdom

  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is May (1016.2mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).

Average wind speed in September
Dolgarrog, United Kingdom

  • Average wind speed in September: 17.9km/h

The windiest month (with the highest average wind speed) is December (23.8km/h).
The calmest month (with the lowest average wind speed) is June (14.4km/h).

Average humidity in September
Dolgarrog, United Kingdom

  • Average humidity in September: 84%

The months with the highest relative humidity are January and August (85%).
The months with the lowest relative humidity are April and May (81%).

Average rainfall in September
Dolgarrog, United Kingdom

  • Average rainfall in September: 45mm

The wettest month (with the highest rainfall) is November (68mm).
The driest month (with the least rainfall) is May (31mm).

Average rainfall days in September
Dolgarrog, United Kingdom

  • Average rainfall days in September: 17.9 days

The month with the highest number of rainy days is December (22.5 days).
The month with the least rainy days is February (15.8 days).

Average snowfall in September
Dolgarrog, United Kingdom

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (21mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Dolgarrog, United Kingdom

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.3 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
Dolgarrog, United Kingdom

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).

  • Average sunshine in September: 6h and 30min

The months with the most sunshine are May and June (Average sunshine: 7h and 42min).
The month with the least sunshine is November (Average sunshine: 3h and 36min).

Average sunshine days in September
Dolgarrog, United Kingdom

  • Average sunshine days in September: 8.5 days

The months with the most sunshine days are March and May (11 days).
The month with the least sunshine days is November (5.2 days).

Average UV index in September
Dolgarrog, United Kingdom

  • Average UV index in September: 4

The months with the highest UV index are May, June, July, 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
Dolgarrog, United Kingdom

  • Average cloud cover in September: 55

The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is May (Cloud cover 49).

Average visibility in September
Dolgarrog, United Kingdom

  • Average visibility in September: 10km

The months with the highest visibility are March, September and October (10km).
The months with the lowest visibility are January, February, April, May, June, July, August, November and December (9km).