September verdict

United Kingdom in September

Weather score28Poor

Poor for holiday weather

Average highs are around 17°C, so pack for cooler days. Sunshine averages 4.1h per day, so this is not one of the brighter months. Rainfall averages 95mm, so some wet days are possible.

London, England, United Kingdom, United Kingdom travel weather guide
Photo by fietzfotos on Pixabay

September weather

Monthly averages

Temp

17°C

Rain

95mm

Sun

4.1h

Sea

13°C

Weather score

28

Poor

Seasonal climate calendar

TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score

Trip feel

Cool

Average highs are around 17°C, so pack for cooler days.

Showers

Rainfall averages 95mm, so some wet days are possible.

Limited sun

Sunshine averages 4.1h per day, so this is not one of the brighter months.

Cool sea

Sea temperatures average 13°C, so the water can feel cool.

Map

Weather map

Compare United Kingdom with nearby places by weather score, rain, sun, temperature, and swim conditions.

Temperature

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September17°C average high

September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.

Warmest monthsJune to September

This stretch sets the upper range for average daytime heat.

September95mm average rain

September is wetter than United Kingdom's yearly average, so flexible plans matter more.

Driest monthsFebruary to August

This is the drier part of the year, when outdoor plans usually need less weather flexibility.

September4.1 hours average sun

September sits close to United Kingdom's yearly sunshine average, so it is a middle-of-the-pack month for bright days.

Brightest monthsMay to August

This stretch has the strongest sunshine in the monthly averages.

Sea temperature

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September13°C average sea

September is one of United Kingdom's warmest sea months, when swimming comfort is usually strongest.

Warmest seaJuly to September

Sea temperatures are usually near 13°C in this stretch, so swimming comfort is at its strongest.

Weather score

View on map

September28 weather score

September sits close to United Kingdom's yearly weather-score average, giving a typical overall read on the month.

Best weather monthsJune to August

These months have the strongest weather score in the monthly averages.

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