September weather forecast
Pentre-bach, United Kingdom

September

Weather in September

September, the first month of the autumn in Pentre-bach, is still a refreshing month, with an average temperature ranging between min 8.8°C (47.8°F) and max 15.5°C (59.9°F).

Temperature

August's transformation into September witnesses an average high-temperature of a moderate 15.5°C (59.9°F), noting a minor change from the preceding month. Pentre-bach reports an average nighttime low-temperature of 8.8°C (47.8°F) in September.

Humidity

In September, the average relative humidity in Pentre-bach is 89%.

Rainfall

September is the month with the least rainfall in Pentre-bach. Rain falls for 10.7 days and accumulates 23mm (0.91") of precipitation.

Snowfall

In Pentre-bach, snow does not fall in May through October.

Daylight

In Pentre-bach, the average length of the day in September is 12h and 39min.
On the first day of September in Pentre-bach, sunrise is at 6:27 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:53 pm BST.

Sunshine

The average sunshine in September in Pentre-bach is 5.6h.

UV index

In Pentre-bach, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.
Note: In September, the maximum UV index of 3 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.

Frequently asked questions

What are the temperatures in Pentre-bach in September?
The average high-temperature and low-temperature during September are 15.5°C (59.9°F) and 8.8°C (47.8°F) respectively.
What is the average humidity in September in Pentre-bach?
In Pentre-bach, United Kingdom, the average relative humidity in September is 89%.
What is the driest month in Pentre-bach?
The month with the least rainfall is September, when the rain falls for 10.7 days and typically collects 23mm (0.91") of precipitation.
How many days does it rain in September in Pentre-bach?
In Pentre-bach, United Kingdom, in September, during 10.7 rainfall days, 23mm (0.91") of precipitation is typically accumulated.
When it does not snow in Pentre-bach?
In Pentre-bach, United Kingdom, snow does not fall in May through October.
What is the average length of the day in September in Pentre-bach?
In September, the average day length in Pentre-bach is 12h and 39min.
What time are sunrise and sunset in September in Pentre-bach?
On the first day of September in Pentre-bach, sunrise is at 6:27 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 6:53 pm BST.
How many hours of sunshine does Pentre-bach have in September?
The average sunshine duration in September in Pentre-bach, United Kingdom, is 5.6h.
What is the UV index reading in September in Pentre-bach?
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Pentre-bach, United Kingdom
Average temperature in September
Pentre-bach, United Kingdom
  • Average high temperature in September: 15.5°C

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in September: 8.8°C

The month with the highest average low temperature is August (10.8°C).
The coldest month (with the lowest average low temperature) is February (1.5°C).

Average pressure in September - Pentre-bach, United Kingdom
Average pressure in September
Pentre-bach, United Kingdom
  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).

Average wind speed in September - Pentre-bach, United Kingdom
Average wind speed in September
Pentre-bach, United Kingdom
  • Average wind speed in September: 13.7km/h

The windiest month (with the highest average wind speed) is February (19km/h).
The calmest months (with the lowest average wind speed) are June and July (13km/h).

Average humidity in September - Pentre-bach, United Kingdom
Average humidity in September
Pentre-bach, United Kingdom
  • Average humidity in September: 89%

The month with the highest relative humidity is December (92%).
The months with the lowest relative humidity are April and May (84%).

Average rainfall in September - Pentre-bach, United Kingdom
Average rainfall in September
Pentre-bach, United Kingdom
  • Average rainfall in September: 23mm

The wettest months (with the highest rainfall) are June and November (45mm).
The driest month (with the least rainfall) is September (23mm).

Average rainfall days in September - Pentre-bach, United Kingdom
Average rainfall days in September
Pentre-bach, United Kingdom
  • Average rainfall days in September: 10.7 days

The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (10.4 days).

Average snowfall in September - Pentre-bach, United Kingdom
Average snowfall in September
Pentre-bach, United Kingdom
  • Average snowfall in September: 0mm

The month with the highest snowfall is November (35mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September - Pentre-bach, United Kingdom
Average snowfall days in September
Pentre-bach, United Kingdom
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.8 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 - Pentre-bach, United Kingdom
Average daylight in September /
Average sunshine in September
Pentre-bach, 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 48min).

  • Average sunshine in September: 5h and 4min

The months with the most sunshine are April and May (Average sunshine: 6h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).

Average sunshine days in September - Pentre-bach, United Kingdom
Average sunshine days in September
Pentre-bach, United Kingdom
  • Average sunshine days in September: 16.3 days

The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is June (10.7 days).

Average UV index in September - Pentre-bach, United Kingdom
Average UV index in September
Pentre-bach, United Kingdom
  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (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 - Pentre-bach, United Kingdom
Average cloud cover in September
Pentre-bach, United Kingdom
  • Average cloud cover in September: 63

The month with the most cloud cover is November (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 57).

Average visibility in September - Pentre-bach, United Kingdom
Average visibility in September
Pentre-bach, United Kingdom
  • Average visibility in September: 8km

The months with the highest visibility are February and March (9km).
The month with the lowest visibility is August (7km).

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