The weather in September in Jersey
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.
Looking for great weather? September is a good time to be in Jersey. The temperatures are nice, and there’s not too much rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Jersey. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 31°C in 2020, Jersey reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 14°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of 6°C to a highest value of 20°C.
Rainfall amount
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.
Daily weather 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.
September weather comparison
| Jersey | New York | |
|---|---|---|
| Average temperature | 20°C | 27°C |
| Max. temperature | 22°C | 31°C |
| Min. temperature | 13°C | -5°C |
| Total precipitation | 47 mm | 57 mm |
| 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.
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.
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.
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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.
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.
Temperature charts
These charts show the average temperatures in September in Jersey. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Jersey
Temperature in September in Jersey over the years
Precipitation charts
These charts show the average amount of precipitation in September in Jersey. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Jersey
Total precipitation in September in Jersey over the years
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.
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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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.