Saint Helier Jersey Weather in September

September in Saint Helier Jersey averages 19°C (66°F) during the day and 16°C (61°F) at night. Quite a bit of rainfall is typical this month, with around 83 mm (3.3 in) on average. An umbrella is a good idea.

Rainfall in Saint Helier Jersey in September

Based on our climate data of the past 30 years, about 13 days of rain are anticipated, with 83 mm (3.3 in) on average. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in Saint Helier Jersey in September

Daytime highs in Saint Helier Jersey in September reach 19°C (66°F), with nights around 16°C (61°F). September is typically considered a summer month. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. 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 Saint Helier Jersey in September

You can expect a moderate amount of sunlight, with approximately 182 hours. This means a pleasant mix of sun and overcast.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. August typically offers the best weather for Saint Helier Jersey.

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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Saint Helier Jersey's climate page.

Saint Helier Jersey Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 19°C (66°F)  

Chance of Rain 44%  

Precipitation 83 mm (3.3 in)  

Rainy days 13 days  

Sunshine 182 hours *  

Percentage Sunshine 47% *  

* Data from: Guernsey, the United Kingdom (47 KM, 29 Miles).

What to Wear in Saint Helier Jersey 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. Prepare for significant rainfall with proper waterproof clothing and shoes. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Saint Helier Jersey in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Saint Helier Jersey's climate page.

More climate data for Saint Helier Jersey

Temperature Rainfall Sunshine

See the full Saint Helier Jersey climate overview or explore weather in the United Kingdom.