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Normal weather for Jersey in September

It's pleasantly warm in September in Jersey with an average temperature of 20°C. Temperatures this month range from a low of 18°C to a high of 22°C. At night, you can expect temperatures between 13°C and 16°C.

In September, there is an average of 47 mm of precipitation, spread over 9 days. The wind speed is around 4 Bft, mostly coming from the South.

Jersey in September

New York
Temperature Average Temperature
20°C 27°C
Sun High Temp
22°C 31°C
Sun Low Temp
18°C 21°C
Rain Total Precipitation
47 mm 57 mm
Rain Rainy Days
9 days 9 days

Start of September

The month of September starts in Jersey with mild temps, averaging around 21°C during the day and nights around 16°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.

With the temperature difference between day and night, it’s smart to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

Mid September

By mid-September, daytime temps stay steady at around 21°C, with nights around 15°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

Since it cools down at night, it’s a good idea to wear layers. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

End of September

By the end of September, the average daytime temperature in Jersey is around 19°C, while nighttime temps are about 14°C. A shower might pop up, but overall, the weather will be dry and sunny.

Because temperatures drop in the evening, wearing layers is recommended. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

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UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Is September a good time to visit Jersey?

Looking for great weather? September is a good time to be in Jersey. The temperatures are nice, and there’s not too much rain.

Temperature records for Jersey in September

Check out the climate of Jersey for all months and discover the best travel time

The climate in Jersey is based on weather data from Saint Helier. Other spots might have different weather. You can check out all destinations in Jersey to get the full picture of the climate.

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Daily Temperature in September in Jersey

This chart shows the average daily high and low temperatures in September for Jersey, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in September in Jersey

Weather experiences in September in Jersey

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Most of the month was sunny with moderate temperatures. It r... more

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Daily Precipitation in September in Jersey

The chart below shows the average daily precipitation in September for Jersey, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 9 days of precipitation in Jersey.

Daily Precipitation in September in Jersey

Daily UV Index in September in Jersey

This chart shows the average daily UV index in September in Jersey, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in September in Jersey

Temperature in September in Jersey Over the Years

This chart shows the average temperature in September in Jersey, measured in degrees Celsius, over the past few years.

Temperature in September in Jersey Over the Years

Total Precipitation in September in Jersey Over the Years

This chart shows the average precipitation in September in Jersey, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in September in Jersey Over the Years

Daily Climate in September for Jersey

Click on any day in September to get detailed info about the usual weather on that day in Jersey. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in September in Jersey

The weather in September in Jersey is rated 4 out of 5 stars by 1 visitor. Have you been to Jersey? Share your weather experience to help other visitors.

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Weather experience:Good StarStarStarStar

Most of the month was sunny with moderate temperatures. It rained a few days, but overall the weather was ideal for leisurely walks and active recreation.— This text is automatically translated to English

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Average Weather in Jersey by Month

Click on a month below to see detailed weather info for Jersey. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Jersey for all months at once

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