Temperature in The United Kingdom in September

September in the United Kingdom has maximum daytime temperatures ranging from moderate in Lerwick with 14°C to pleasant temperatures in Peterborough with 20°C. Nighttime temperatures generally drop to 11°C in Peterborough and 11°C in Lerwick.

What is the temperature of the different cities in the United Kingdom in September?

To get a sense of September's typical temperatures in the key spots of the United Kingdom, explore the map below. Click on a point for an in-depth look.

Weather conditions Weather

Temperatures

Precipitation

Map not visible? Whoops sorry! Please refresh the page.

Leaflet © OpenStreetMap

Legend

very warm

warm

pleasant

moderate

cold

very cold

Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

Select a Month of Interest

Check the conditions for any month of the year.

For a detailed overview over the year and the best time to visit the United Kingdom, check out our United Kingdom's climate page.

What is the warmest city in September in the United Kingdom?

From a thorough analysis of our records, Peterborough clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 20°C, and evenings that remain near 11°C.

What is the coldest city in September in the United Kingdom?

The coldest city in September in the United Kingdom is Lerwick when we check our database. The maximum daytime temperatures are around 14°C and minimum nighttime temperatures fall around 11°C.

How much sun does the United Kingdom get in September?

Most areas experience a moderate amount of sunshine, with approximately 155 hours of sunlight expected in London. This makes it neither too gloomy nor overly bright.

What is the water's temperature in September?

The water temperature averages approximately 18°C in Brighton & Hove this month, so still a bit cool to swim but some enjoy a chilly dive.

Interested in more climate information?

Weather and climate has detailed information for every country in the world. Are you going to the United Kingdom? Get detailed historical weather averages for many cities in the United Kingdom.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.