Liverpool
United Kingdom
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Liverpool, United Kingdom

September, the first month of the autumn, in Liverpool, is still a comfortable month, with average temperature varying between 16.6°C (61.9°F) and 11.2°C (52.2°F).

Temperature

In September, the average high-temperature is essentially the same as in August - a still comfortable 16.6°C (61.9°F). In Liverpool, in September, the average low-temperature is 11.2°C (52.2°F).

Rainfall

In Liverpool, United Kingdom, during September, the rain falls for 15 days and regularly aggregates up to 44mm (1.7") of precipitation. Throughout the year, in Liverpool, United Kingdom, there are 194 rainfall days, and 859mm (33.8") of precipitation is accumulated.

Snowfall

In Liverpool, during the entire year, snow falls for 22 days.

Sea temperature

In Liverpool, in September, the average water temperature is 16.2°C (61.2°F). For most, swimming in 16.2°C (61.2°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

The average length of the day in Liverpool, United Kingdom, is 12.7h.

Sunshine

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

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to the UV radiation for the average person.
In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Liverpool?

In Liverpool, United Kingdom, in September, the average high-temperature is 16.6°C (61.9°F), and the average low-temperature is 11.2°C (52.2°F).

How many days does it rain in September in Liverpool?

In September, the rain falls for 15 days. Throughout September, 44mm (1.7") of precipitation is accumulated.

What is the sea 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, the average length of the day in September is 12.7h.

How many hours of sunshine does Liverpool have in September?

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

How high is the UV index in September in Liverpool?

In September, the average daily maximum UV index in Liverpool is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
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

Months with the highest average low temperature are July and August (13.1°C).
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: 44mm

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

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

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

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).
Months with the lowest number of 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: 16.2°C

The best month for swimming (with the highest average sea temperature) is August (16.7°C).
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: 12.7h

The month with the longest days is June (Average daylight: 16.9h).
The month with shortest days is December (Average daylight: 7.6h).

  • Average sunshine in September: 4.4h

The month with most sunshine is May (Average sunshine: 6.7h).
The month with least sunshine is December (Average sunshine: 1.5h).

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

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