Weather in Jersey for September 2026
Until now, September 2026 in Jersey has been nearly identical to the historical average, with a temperature of 18.5 °C (showing only a slight deviation of 0.2 °C).
The forecast for the next days in Jersey predicts temperatures to be around 18 °C, close to the historical average.
In general, the average temperature in Jersey at the beginning of September is 19.4 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 17.4 °C by the end of September.
The climate of Jersey in September is notably wet, with an average of 15 rainy days, and a total of 91.7 mm of precipitation.
Temperatures
Rain 🌧️
Jersey Weather September
Temperatures trend during September in Jersey
September weather in Jersey day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Light rain shower | 18° /16° | 8.2 mm | 3 | |
| 2 Sept. |  Partly cloudy | 19° /16° | 4 mm | 4 | |
| 3 Sept. | Light rain shower | 20° /17° | 1.4 mm | 4 | |
| 4 Sept. |  Sunny | 19° /17° | 0.9 mm | 4 | |
| 5 Sept. | Sunny | 19° /16° | 1.3 mm | 4 | |
| 6 Sept. |  Overcast | 21° /17° | 0.3 mm | 4 | |
| 7 Sept. | Light rain shower | 20° /17° | 3 mm | 4 | |
| 8 Sept. | Patchy rain possible | 18° /16° | 5.9 mm | 4 | |
| 9 Sept. | Patchy rain possible | 19° /16° | 1.6 mm | 4 | |
| 10 Sept. |  Patchy light rain with thunder | 18° /16° | 4.9 mm | 4 | |
| 11 Sept. | Light rain shower | 18° /16° | 1.8 mm | 4 | |
| 12 Sept. | Partly cloudy | 17° /15° | 2.5 mm | 4 | |
| 13 Sept. | Patchy rain possible | 17° /15° | 0.7 mm | 3 | |
| 14 Sept. | Sunny | 18° /16° | 0.3 mm | 5 | |
| 15 Sept. | Sunny | 19° /15° | 0.4 mm | 5 | |
| 16 Sept. | Patchy rain possible | 18° /16° | 1 mm | 4 | |
| 17 Sept. | Patchy rain possible | 17° /16° | 1.7 mm | 4 | |
| 18 Sept. | Patchy rain possible | 17° /16° | 0.5 mm | 4 | |
| 19 Sept. | Patchy rain possible | 18° /17° | 0.3 mm | 5 | |
| 20 Sept. | Overcast | 18° /18° | 0.3 mm | 5 | |
| 21 Sept. | Sunny | 20° /17° | 0 mm | 5 | |
| 22 Sept. | Sunny | 20° /17° | 0 mm | 5 | |
| 23 Sept. | Overcast | 20° /17° | 0 mm | 6 | |
| 24 Sept. | Overcast | 21° /17° | 0 mm | 5 | |
| 25 Sept. | Sunny | 18° /16° | 0 mm | 5 | |
| 26 Sept. | Sunny | 18° /15° | 0 mm | 5 | |
| 27 Sept. | Overcast | 16° /13° | 0 mm | 4 | |
| 28 Sept. | Overcast | 16° /15° | 0 mm | 4 | |
| 29 Sept. | Overcast | 16° /14° | 0 mm | 5 | |
| 30 Sept. | Sunny | 17° /14° | 1.3 mm | 5 | |
| Next | |||||
Guide for Jersey in September
In September, Jersey experiences a transition from late summer to early autumn, bringing about noticeable changes in the weather. At the beginning of the month, Jersey typically enjoys mild and pleasant conditions with average temperatures around 17° and occasional sunny spells.
However, as the month progresses, the weather gradually becomes cooler and more unpredictable. By the end of September, temperatures tend to drop to around 14° with an increased chance of rain showers and overcast skies.
The island's coastal location means that it can be influenced by the surrounding sea temperatures, which can moderate the weather conditions. Additionally, September marks the end of the peak tourist season, so visitors can expect fewer crowds and a more relaxed atmosphere.
It's important to note that Jersey's weather in September can be quite changeable, so it's advisable for travelers to pack layers and be prepared for varying conditions.
Overall, September offers a mix of late summer warmth and early autumnal chill, making it a unique time to explore the island's natural beauty and charming attractions.
Jersey in September - FAQ
What are the expected maximum and minimum temperatures in Jersey during September?
How much rainfall should be expected in Jersey during September?
What are the typical wind conditions in Jersey during September?
September rainfall patterns in Jersey
UV exposure in Jersey during September
Quick links
Where is Jersey?Get accurate weather forecasts for Jersey, located at latitude 49.188 and longitude -2.105. Stay updated with localized weather information tailored for Jersey.