Temperature in Guernsey in September

Guernsey is a region in the United Kingdom. September is generally a pleasant month with maximum daytime temperatures around 19°C and nighttime temperatures around 16°C in St Peter Port.

What is the temperature of the different cities in Guernsey in September?

Explore the map below to discover average September temperatures at the top destinations in Guernsey. For a deeper dive, simply click on any destination dot.

Weather conditions Weather

Temperatures

Precipitation

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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 weather conditions for any month in Guernsey.

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

How much sun does Guernsey get in September?

Most areas experience a moderate amount of sunshine, with approximately 182 hours of sunlight expected in St Peter Port. This makes it neither too gloomy nor overly bright.

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.