Guernsey island Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Guernsey island, the United Kingdom in September.

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Guernsey

Thinking about venturing to Guernsey island, the United Kingdom this September and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Guernsey island in September

Guernsey island, the United Kingdom is a region in the United Kingdom. September in Guernsey island generally has pleasant temperatures, with moderate precipitation.

Temperatures

You can expect pleasant maximum daytime temperatures of around 18°C (64°F) and nighttime temperatures around 16°C (61°F) in Guernsey.

For specific regional insights in Guernsey island, the United Kingdom, refer to the map provided below.

Precipitation

September is a moderate rainy month with an average rainfall of around 66 mm (2.6 in) in Guernsey.

Average sunshine

Most areas see decent amounts of sunshine this month. Guernsey gets around 182 hours of sunlight, providing a pleasant balance of sun and clouds. If you'd prefer more guaranteed sunshine, our weather planner can show you sunnier spots around the world.

Explore Guernsey island by month

Pick a month to see the average temperature, rainfall and sunshine in Guernsey island — and find the best time to visit. (based on Guernsey)

January11°C (52°F) February11°C (52°F) March11°C (52°F) April12°C (54°F) May14°C (57°F) June16°C (61°F) This monthJuly18°C (64°F) August19°C (66°F) September18°C (64°F) October17°C (63°F) November14°C (57°F) December12°C (54°F)
Best Time to Visit Guernsey island →

Best Places to Visit in Guernsey island in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Guernsey island.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Guernsey island

What is the weather like in September for the most popular destinonation in Guernsey island, the United Kingdom?

Guernsey

In September Guernsey generally has pleasant temperatures with maximum daytime temperatures around 18°C (64°F), minimum nighttime temperatures around 16°C (61°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
19°C (66°F)
18°C (64°F)
17°C (63°F)
Min temperature
16°C (61°F)
16°C (61°F)
14°C (57°F)
Monthly sun hours
232 hours
182 hours
119 hours
Monthly rainfall
56 mm (2.2 in)
66 mm (2.6 in)
116 mm (4.6 in)
Monthly rainy days
11 days
13 days
15 days
Weather conditions
pleasant
pleasant
unpleasant
Climate in Guernsey →

Is your destination not in the list? Have a look at all destinations in Guernsey island, in the United Kingdom.

Guernsey island weather in September: frequently asked questions

What is the weather like in Guernsey island, the United Kingdom in September?

In September, Guernsey island, the United Kingdom generally has pleasant weather conditions. Guernsey sees daytime temperatures near 18°C (64°F), with nights cooling to roughly 16°C (61°F).

What is the average temperature in Guernsey island, the United Kingdom in September?

Daytime temperatures in Guernsey peak at roughly 18°C (64°F) in September, dropping to about 16°C (61°F) overnight.

Does Guernsey island, the United Kingdom get a lot of rain in September?

Rain is generally moderate to light in Guernsey island, the United Kingdom during September, with Guernsey averaging close to 66 mm (2.6 in).

Is September a Good Time to Visit Guernsey island, the United Kingdom?

We consider September to be one of the best times to travel to Guernsey island, the United Kingdom. Typically, the climate in Guernsey is pleasant. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, the best visiting conditions can be found in July, August and September offering mostly pleasant weather in Guernsey. On the other hand, the months of January and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Guernsey island.

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.

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