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St Peter Port Weather in September
Thinking of visiting St Peter Port in September? Expect pleasant temperatures reaching 19°C (66°F) during the day, dropping to 16°C (61°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in St Peter Port in September
Looking at the last 30 years, the data shows about 13 days with rain, averaging 67 mm (2.6 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in St Peter Port in September
In September, St Peter Port gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 16°C (61°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 16°C (61°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in St Peter Port in September
The area enjoys a moderate level of sunlight, with around 182 hours. It's a good balance between sunny and cloudy days.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit St Peter Port.
St Peter Port Temperature in September
Min Temperature
16°C (61°F)
Max Temperature
19°C (66°F)
Chance of Rain
43%
Precipitation
67 mm (2.6 in)
Rainy days
13 days
Sunshine
182 hours *
Percentage Sunshine
47% *
* Data from: Guernsey, the United Kingdom (3 KM, 2 Miles).
St Peter Port Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in St Peter Port - and find the best time to visit.
Best Places 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. See all of the United Kingdom in September →
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).
What to Wear in St Peter Port in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the month
What To Do in St Peter Port in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Barbeque7/10 -
Camping8/10 -
Outdoor sports10/10
St Peter Port 3-Day Forecast
More climate data for St Peter Port
See the full St Peter Port climate overview or explore weather in the United Kingdom.
Popular in September
Where to go in September - average daytime high across popular destinations.
London
20°C (68°F) Bath19°C (66°F) Torquay19°C (66°F) Manchester
18°C (64°F) York19°C (66°F) Edinburgh17°C (63°F) Blackpool17°C (63°F) Glasgow17°C (63°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
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