September weather forecast
Llanwenog, United Kingdom

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Weather in September

The first month of the autumn, September, is still a refreshing month in Llanwenog, United Kingdom, with an average temperature varying between 15.8°C (60.4°F) and 11.3°C (52.3°F).

Temperature

Llanwenog's average high-temperature in September sits at a still refreshing 15.8°C (60.4°F), showing little difference from the previous month. Consistently, Llanwenog reports average nighttime temperatures of 11.3°C (52.3°F) during September, a marginal step down from its daytime highs.

Humidity

The months with the highest humidity in Llanwenog are January, August, September and December, with an average relative humidity of 86%.

Rainfall

In Llanwenog, in September, it is raining for 17.3 days, with typically 59mm (2.32") of accumulated precipitation. In Llanwenog, during the entire year, the rain falls for 227.1 days and collects up to 784mm (30.87") of precipitation.

Snowfall

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

Daylight

In Llanwenog, the average length of the day in September is 12h and 39min.
On the first day of the month, sunrise is at 6:29 am and sunset at 8:03 pm. On the last day of September, in Llanwenog, sunrise is at 7:17 am and sunset at 6:56 pm BST.

Sunshine

The average sunshine in September is 6.8h.

UV index

The months with the highest UV index in Llanwenog are May through September, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

What is the average September temperature in Llanwenog?

The high-temperature, in September, in Llanwenog, records 15.8°C (60.4°F), while the low-temperature is 11.3°C (52.3°F).

What is the most humid month in Llanwenog?

January, August, September and December, with an average relative humidity of 86%, are most humid months.

What is the average humidity in September in Llanwenog?

In September, the average relative humidity in Llanwenog, United Kingdom, is 86%.

How much does it rain in Llanwenog in September?

In Llanwenog, during September, the rain falls for 17.3 days and regularly aggregates up to 59mm (2.32") of precipitation.

When it does not snow in Llanwenog?

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

How many hours of daylight does Llanwenog have in September?

In Llanwenog, United Kingdom, the average day length in September is 12h and 39min.

What time are sunrise and sunset in September in Llanwenog?

On the first day of September in Llanwenog, sunrise is at 6:29 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:56 pm BST.

How long on average sun shines in September in Llanwenog?

In Llanwenog, United Kingdom, the average sunshine duration in September is 6.8h.

What is the month with the highest UV index in Llanwenog?

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

What is the UV index reading in September in Llanwenog?

In Llanwenog, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
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
Llanwenog, United Kingdom

Average temperature in September - Llanwenog, United Kingdom
  • Average high temperature in September: 15.8°C

The warmest month (with the highest average high temperature) is July (17.3°C).
The months with the lowest average high temperature are January and February (7.3°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (3.8°C).

Average pressure in September
Llanwenog, United Kingdom

Average pressure in September - Llanwenog, United Kingdom
  • Average pressure in September: 1016.3mbar

The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1009.4mbar).

Average wind speed in September
Llanwenog, United Kingdom

Average wind speed in September - Llanwenog, United Kingdom
  • Average wind speed in September: 17.5km/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 (14.8km/h).

Average humidity in September
Llanwenog, United Kingdom

Average humidity in September - Llanwenog, United Kingdom
  • Average humidity in September: 86%

The months with the highest relative humidity are January, August, September and December (86%).
The month with the lowest relative humidity is April (82%).

Average rainfall in September
Llanwenog, United Kingdom

Average rainfall in September - Llanwenog, United Kingdom
  • Average rainfall in September: 59mm

The wettest months (with the highest rainfall) are November and December (92mm).
The driest month (with the least rainfall) is May (37mm).

Average rainfall days in September
Llanwenog, United Kingdom

Average rainfall days in September - Llanwenog, United Kingdom
  • Average rainfall days in September: 17.3 days

The months with the highest number of rainy days are November and December (21.7 days).
The month with the least rainy days is April (15.8 days).

Average snowfall in September
Llanwenog, United Kingdom

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

The months with the highest snowfall are January and December (9mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Llanwenog, United Kingdom

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

The month with the highest number of snowfall days is January (1.7 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
Llanwenog, United Kingdom

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

The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).

  • Average sunshine in September: 6h and 5min

The month with the most sunshine is May (Average sunshine: 8h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).

Average sunshine days in September
Llanwenog, United Kingdom

Average sunshine days in September - Llanwenog, United Kingdom
  • Average sunshine days in September: 9.4 days

The month with the most sunshine days is May (12.9 days).
The month with the least sunshine days is December (5.7 days).

Average UV index in September
Llanwenog, United Kingdom

Average UV index in September - Llanwenog, 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, November and December (UV index 2).

Average cloud cover in September
Llanwenog, United Kingdom

Average cloud cover in September - Llanwenog, United Kingdom
  • Average cloud cover in September: 52

The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and May (Cloud cover 48).

Average visibility in September
Llanwenog, United Kingdom

Average visibility in September - Llanwenog, United Kingdom
  • Average visibility in September: 9km

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

Llanwenog, United Kingdom

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