September weather forecast
Pembroke Dock, United Kingdom

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Pembroke Dock, United Kingdom, with an average temperature ranging between max 16.2°C (61.2°F) and min 13.7°C (56.7°F).

Temperature

As September takes its course, Pembroke Dock's average high-temperature registers at a still enjoyable 16.2°C (61.2°F), closely aligning with the preceding month. Pembroke Dock notes a steady average temperature of 13.7°C (56.7°F) during the nights of September.

Humidity

The average relative humidity in September in Pembroke Dock is 82%.

Rainfall

In Pembroke Dock, in September, it is raining for 17.3 days, with typically 55mm (2.17") of accumulated precipitation. In Pembroke Dock, during the entire year, the rain falls for 220.1 days and collects up to 757mm (29.8") of precipitation.

Snowfall

In Pembroke Dock, snow does not fall in April through October.

Sea temperature

The months with the warmest seawater in Pembroke Dock are August and September, with an average sea temperature of 16.3°C (61.3°F).
Note: The majority of individuals find it unpleasurable to swim in 16.3°C (61.3°F). It becomes progressively harder to manage one's breathing as the water temperature falls below 21°C (69.8°F).

Daylight

The average length of the day in September in Pembroke Dock is 12h and 38min.
On the first day of September in Pembroke Dock, sunrise is at 6:33 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 6:59 pm BST.

Sunshine

In Pembroke Dock, the average sunshine in September is 7.3h.

UV index

May through October, with an average maximum UV index of 4, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

What is the usual temperature for Pembroke Dock in September?
The high-temperature, in September, in Pembroke Dock, is 16.2°C (61.2°F), while the low-temperature averages to 13.7°C (56.7°F).
What is the average humidity in September in Pembroke Dock?
The average relative humidity in September in Pembroke Dock is 82%.
How much does it rain in Pembroke Dock in September?
In September, in Pembroke Dock, United Kingdom, the rain falls for 17.3 days. Throughout September, 55mm (2.17") of precipitation is accumulated.
When it does not snow in Pembroke Dock?
April through October are months without snowfall.
What months are the sea warmest in Pembroke Dock?
August and September, with an average sea temperature of 16.3°C (61.3°F), are months with the warmest seawater in Pembroke Dock.
How cold is the water in September in Pembroke Dock?
In Pembroke Dock, United Kingdom, the average seawater temperature in September is 16.3°C (61.3°F). For swimming, a surface water temperature of 16.3°C (61.3°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
What is the average length of the day in September in Pembroke Dock?
In Pembroke Dock, United Kingdom, the average day length in September is 12h and 38min.
What time are sunrise and sunset in September in Pembroke Dock?
On the first day of September in Pembroke Dock, sunrise is at 6:33 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 6:59 pm BST.
How long on average sun shines in September in Pembroke Dock?
The average sunshine duration in September in Pembroke Dock is 7.3h.
What are the months with the highest UV index in Pembroke Dock?
The months with the highest UV index are May through October, with an average maximum UV index of 4.
What is the UV index reading in September in Pembroke Dock?
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health risk from 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 sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Pembroke Dock, United Kingdom
  • Average high temperature in September: 16.2°C

The warmest month (with the highest average high temperature) is August (17.3°C).
The month with the lowest average high temperature is February (8.4°C).

  • Average low temperature in September: 13.7°C

The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (6.1°C).

Average pressure in September
Pembroke Dock, United Kingdom
  • Average pressure in September: 1016.6mbar

The month with the highest atmospheric pressure is May (1016.7mbar).
The month with the lowest atmospheric pressure is November (1009.6mbar).

Average wind speed in September
Pembroke Dock, United Kingdom
  • Average wind speed in September: 23.3km/h

The windiest month (with the highest average wind speed) is December (30.8km/h).
The calmest month (with the lowest average wind speed) is June (18.9km/h).

Average humidity in September
Pembroke Dock, United Kingdom
  • Average humidity in September: 82%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is November (80%).

Average rainfall in September
Pembroke Dock, United Kingdom
  • Average rainfall in September: 55mm

The wettest month (with the highest rainfall) is November (102mm).
The driest month (with the least rainfall) is May (31mm).

Average rainfall days in September
Pembroke Dock, United Kingdom
  • Average rainfall days in September: 17.3 days

The month with the highest number of rainy days is November (23.2 days).
The month with the least rainy days is May (14.9 days).

Average snowfall in September
Pembroke Dock, United Kingdom
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Pembroke Dock, United Kingdom
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average sea temperature in September
Pembroke Dock, United Kingdom
  • Average sea temperature in September: 16.3°C

The best months for swimming (with the highest average sea temperature) are August and September (16.3°C).
The coldest month (with the lowest average sea temperature) is March (8.4°C).

Average daylight in September /
Average sunshine in September
Pembroke Dock, United Kingdom
  • Average daylight in September: 12h and 4min

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

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is May (Average sunshine: 8h and 36min).
The months with the least sunshine are January, November and December (Average sunshine: 3h and 48min).

Average sunshine days in September
Pembroke Dock, United Kingdom
  • Average sunshine days in September: 9.5 days

The month with the most sunshine days is May (13.3 days).
The month with the least sunshine days is November (4.4 days).

Average UV index in September
Pembroke Dock, United Kingdom
  • Average UV index in September: 4

The months with the highest UV index are May, June, July, August, September and October (UV index 4).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in September
Pembroke Dock, United Kingdom
  • Average cloud cover in September: 49

The months with the most cloud cover are November and December (Cloud cover 63).
The month with the least cloud cover is May (Cloud cover 44).

Average visibility in September
Pembroke Dock, United Kingdom
  • Average visibility in September: 10km

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

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