Weather in Ischia for September 2026
Giallo Vento Allerta - See hour by hour.
So far, September 2026 in Ischia is slightly warmer than the historical average by 1 °C.
The forecast for the next days in Ischia predicts temperatures to be around 23 °C, close to the historical average.
In general, the average temperature in Ischia at the beginning of September is 26.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23 °C by the end of September.
The climate of Ischia in September is notably wet, with an average of 13 rainy days, and a total of 88.5 mm of precipitation.
Is September a good time to visit Ischia? check out the best time to travel to Ischia page.
New! Chat with our AI weatherman - it’s amazing and free.
Official Weather Alert ⚠️
Temperatures
Rain 🌧️
More
Ischia Weather September
Temperatures trend during September in Ischia
September weather in Ischia day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 27° /24° | 0 mm | 7 | |
| 2 Sept. |  Heavy rain at times | 27° /25° | 3.1 mm | 7 | |
| 3 Sept. |  Moderate or heavy rain shower | 26° /24° | 4.7 mm | 6 | |
| 4 Sept. | Sunny | 27° /24° | 0 mm | 7 | |
| 5 Sept. | Sunny | 26° /24° | 3.2 mm | 7 | |
| 6 Sept. | Sunny | 26° /24° | 0.5 mm | 7 | |
| 7 Sept. | Sunny | 26° /24° | 0 mm | 7 | |
| 8 Sept. | Sunny | 27° /24° | 0 mm | 7 | |
| 9 Sept. |  Partly cloudy | 26° /23° | 12.7 mm | 7 | |
| 10 Sept. |  Patchy rain possible | 26° /22° | 2.4 mm | 6 | |
| 11 Sept. | Patchy rain possible | 25° /22° | 3.1 mm | 5 | |
| 12 Sept. | Moderate or heavy rain shower | 25° /22° | 3.4 mm | 6 | |
| 13 Sept. | Sunny | 24° /20° | 1.4 mm | 6 | |
| 14 Sept. |  Overcast | 24° /20° | 0 mm | 5 | |
| 15 Sept. | Sunny | 24° /21° | 0.1 mm | 6 | |
| 16 Sept. | Patchy rain possible | 24° /21° | 0.1 mm | 5 | |
| 17 Sept. | Moderate or heavy rain shower | 23° /20° | 7.1 mm | 5 | |
| 18 Sept. | Moderate rain at times | 24° /21° | 1.7 mm | 5 | |
| 19 Sept. | Moderate or heavy rain shower | 24° /20° | 3.8 mm | 5 | |
| 20 Sept. | Sunny | 24° /21° | 0 mm | 6 | |
| 21 Sept. | Sunny | 24° /21° | 0 mm | 6 | |
| 22 Sept. | Patchy rain possible | 24° /20° | 0.3 mm | 5 | |
| 23 Sept. | Patchy rain possible | 23° /19° | 8.3 mm | 5 | |
| 24 Sept. | Patchy rain possible | 23° /20° | 4.1 mm | 5 | |
| 25 Sept. | Moderate or heavy rain shower | 23° /19° | 5.5 mm | 5 | |
| 26 Sept. | Patchy rain possible | 23° /20° | 0.5 mm | 5 | |
| 27 Sept. | Sunny | 23° /20° | 0 mm | 5.3 | |
| 28 Sept. | Sunny | 23° /22° | 0 mm | 5.4 | |
| 29 Sept. | Sunny | 23° /22° | 0 mm | 5.3 | |
| 30 Sept. | Sunny | 23° /22° | 0 mm | 5.1 | |
| Next | |||||
Ischia weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Patchy rain possible | Patchy rain possible |
| Temperatures | 27°/25° | 24°/21° | 20°/18° |
| Rainfall | 28 mm | 89 mm | 120 mm |
| Wind | 21.4 km/h | 20.8 km/h | 23.5 km/h |
| Humidity | 69% | 66% | 68% |
| Rainy days | 7 days | 13 days | 18 days |
| Dry days | 24 days | 17 days | 13 days |
Planning a trip to Ischia? Discover the best time to visit
Ischia in September - FAQ
What are the expected maximum and minimum temperatures in Ischia during September?
How much rainfall should be expected in Ischia during September?
What are the typical wind conditions in Ischia during September?
September rainfall patterns in Ischia
UV exposure in Ischia during September
What to pack to Ischia in September?
Mild · highs around 24 °C, frequent showers
As you prepare for your trip to Ischia in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Ischia, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Quick links
Where is Ischia?Get accurate weather forecasts for Ischia, located at latitude 40.738 and longitude 13.949. Stay updated with localized weather information tailored for Ischia.