September weather forecast
Liverpool, United Kingdom

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Weather in September

September bears the hallmark of transition from summer highs to autumnal grace, with temperatures diving from 11.2°C (52.2°F) to 16.6°C (61.9°F). Residents swap the lively hustles of summer for meaningful pause, enraptured by the beauty of seasonal shifts. With comforting breezes from the cooling sea, September weaves an invigorating aesthetic over Liverpool. A quick shower is not off the table, bringing a refreshed countenance to the city's architecture. Hence, it remains a favorite among sightseers keen on experiencing Liverpool's poetic weather motions.

Temperature

Liverpool records an average high-temperature of a still enjoyable 16.6°C (61.9°F) in September, closely mirroring the climate of the previous month. Liverpool cools down to an average low-temperature of 11.2°C (52.2°F) throughout the month of September.

Rainfall

In Liverpool, during September, the rain falls for 15 days and regularly aggregates up to 44mm (1.73") of precipitation. Throughout the year, there are 194 rainfall days, and 859mm (33.82") of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Sea temperature

In Liverpool, United Kingdom, the average seawater temperature in September is 16.2°C (61.2°F).
Note: Swimming becomes less enjoyable for most at a surface water temperature of 16.2°C (61.2°F). As the temperature decreases below 21°C (69.8°F), breathing becomes increasingly difficult.

Daylight

The average length of the day in September in Liverpool, United Kingdom, is 12h and 41min.
On the first day of the month, sunrise is at 6:22 am and sunset at 8:01 pm. On the last day of September, in Liverpool, sunrise is at 7:12 am and sunset at 6:50 pm BST.

Sunshine

In September, the average sunshine in Liverpool is 4.4h.

UV index

The average daily maximum UV index in September in Liverpool, United Kingdom, is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: In September, the UV index of 4 transforms into the following advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

What is the temperature in September in Liverpool?

During September, Liverpool experiences an average high-temperature of 16.6°C (61.9°F) and a low-temperature of 11.2°C (52.2°F).

How much does it rain in Liverpool in September?

In Liverpool, during September, the rain falls for 15 days and regularly aggregates up to 44mm (1.73") of precipitation.

When it does not snow in Liverpool?

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

What is the sea water temperature in September in Liverpool?

In Liverpool, in September, the average water temperature is 16.2°C (61.2°F). For swimming, a surface water temperature of 16.2°C (61.2°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).

How many hours of daylight does Liverpool have in September?

In Liverpool, United Kingdom, the average day length in September is 12h and 41min.

When are sunrise and sunset in September in Liverpool?

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:50 pm BST.

How many hours of sunshine does Liverpool have in September?

In September, the average sunshine duration is 4.4h.

How high is the UV index in September in Liverpool?

The average daily maximum UV index in September in Liverpool is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in September
Liverpool, United Kingdom

Average temperature in September - Liverpool, United Kingdom
  • Average high temperature in September: 16.6°C

The warmest month (with the highest average high temperature) is August (19.3°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in September: 11.2°C

The months with the highest average low temperature are July and August (13.1°C).
The coldest months (with the lowest average low temperature) are January and February (2.6°C).

Average rainfall in September
Liverpool, United Kingdom

Average rainfall in September - Liverpool, United Kingdom
  • Average rainfall in September: 44mm

The wettest month (with the highest rainfall) is March (101mm).
The driest month (with the least rainfall) is July (40mm).

Average rainfall days in September
Liverpool, United Kingdom

Average rainfall days in September - Liverpool, United Kingdom
  • Average rainfall days in September: 15 days

The months with the highest number of rainy days are January, November and December (18 days).
The month with the least rainy days is July (14 days).

Average snowfall days in September
Liverpool, United Kingdom

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

The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average sea temperature in September
Liverpool, United Kingdom

Average sea temperature in September - Liverpool, United Kingdom
  • Average sea temperature in September: 16.2°C

The best month for swimming (with the highest average sea temperature) is August (16.7°C).
The coldest months (with the lowest average sea temperature) are February and March (7.4°C).

Average daylight in September /
Average sunshine in September
Liverpool, United Kingdom

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

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: 4h and 2min

The month with the most sunshine is May (Average sunshine: 6h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).

Average UV index in September
Liverpool, United Kingdom

Average UV index in September - Liverpool, United Kingdom
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and December (UV index 0).

Liverpool, United Kingdom

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