St Martin Guernsey weather in September (Guernsey, United Kingdom)

What's the typical weather in St Martin Guernsey for September? See what weather conditions to anticipate this month with our guide.

Temperatures

In September, St Martin Guernsey typically experiences pleasant temperatures and moderate rainfall. The daytime often sees temperatures reaching 19°C, but nighttime brings a cool-down to 16°C.

Precipitation

St Martin Guernsey in September usually receives moderate rainfall, averaging around 67 mm for the month. Climate data suggests that about 13 days will experience rainfall.

Average sunshine

Expect a moderate amount of sunlight, with approximately 182 hours. This means a pleasant mix of sun and clouds.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit. July, August and September generally stand out with the best circumstances. While January and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized St Martin Guernsey climate page with graphs.

 

St Martin Guernsey, monthly averages in September

Min Temperature 16°C  

Max Temperature 19°C  

Chance of Rain 43%  

Precipitation 67 mm  

Rainy days 13 days  

Sunshine 182 hours *  

Percentage Sunshine 47% *  

* Data from: Guernsey, the United Kingdom (3 KM, 2 Miles).

Where to go in the United Kingdom in September

Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to St Martin Guernsey, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Cycling

10/10

Walking

10/10

Barbeque

7/10

Camping

8/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in St Martin Guernsey.

Our site offers climate and forecast data for every country in the world. Are you going to the United Kingdom? On this website you can find 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.