Weather in Ionian Islands for September 2026
So far, September 2026 in Ionian Islands is slightly warmer than the historical average by 1 °C.
The forecast for the next days in Ionian Islands predicts temperatures to be around 26 °C, close to the historical average.
In general, the average temperature in Ionian Islands at the beginning of September is 27.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 24 °C by the end of September.
Ionian Islands in September brings notable rainfall, with an average of 19 rainy days and a total precipitation of 80.6 mm.
Is September a good time to visit Ionian Islands? check out the best time to travel to Ionian Islands page.
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Ionian Islands Weather September
What’s the Weather Like in Ionian Islands This September?
Temperatures trend during September in Ionian Islands
September weather in Ionian Islands day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 27° /23° | 0 mm | 7 | |
| 2 Sept. | Sunny | 28° /23° | 0 mm | 7 | |
| 3 Sept. | Sunny | 27° /24° | 0.1 mm | 7 | |
| 4 Sept. |  Moderate or heavy rain shower | 27° /22° | 4.9 mm | 7 | |
| 5 Sept. | Sunny | 27° /23° | 0.2 mm | 7 | |
| 6 Sept. | Sunny | 27° /22° | 7.5 mm | 7 | |
| 7 Sept. | Sunny | 27° /23° | 0.7 mm | 7 | |
| 8 Sept. | Sunny | 27° /23° | 0 mm | 7 | |
| 9 Sept. | Sunny | 27° /22° | 6.2 mm | 7 | |
| 10 Sept. | Sunny | 26° /22° | 7.4 mm | 7 | |
| 11 Sept. | Sunny | 28° /26° | 0 mm | 6.6 | |
| 12 Sept. | Sunny | 28° /26° | 0 mm | 6.4 | |
| 13 Sept. | Sunny | 27° /25° | 0 mm | 6.1 | |
| 14 Sept. | Sunny | 26° /22° | 0 mm | 5.9 | |
| 15 Sept. |  Patchy rain possible | 26° /23° | 4.4 mm | 6 | |
| 16 Sept. | Sunny | 26° /23° | 0 mm | 7 | |
| 17 Sept. | Sunny | 26° /23° | 0 mm | 7 | |
| 18 Sept. | Sunny | 26° /24° | 0 mm | 7 | |
| 19 Sept. | Sunny | 26° /24° | 0 mm | 7 | |
| 20 Sept. | Sunny | 26° /24° | 0 mm | 7 | |
| 21 Sept. | Sunny | 26° /25° | 0 mm | 7 | |
| 22 Sept. | Sunny | 25° /24° | 5.4 mm | 6 | |
| 23 Sept. | Sunny | 25° /23° | 11.5 mm | 6 | |
| 24 Sept. | Sunny | 26° /23° | 0 mm | 7 | |
| 25 Sept. |  Patchy light rain with thunder | 24° /20° | 4.9 mm | 5 | |
| 26 Sept. |  Thundery outbreaks possible | 24° /20° | 1.3 mm | 5 | |
| 27 Sept. |  Partly cloudy | 24° /20° | 2 mm | 6 | |
| 28 Sept. | Sunny | 24° /20° | 1.5 mm | 5 | |
| 29 Sept. | Patchy rain possible | 23° /20° | 1.5 mm | 5 | |
| 30 Sept. | Sunny | 23° /19° | 0 mm | 6 | |
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Ionian Islands weather in September vs August vs October
| August | September | October | |
|---|---|---|---|
| Weather | Sunny | Sunny | Sunny |
| Temperatures | 28°/24° | 25°/22° | 21°/19° |
| Rainfall | 27 mm | 81 mm | 98 mm |
| Wind | 16 km/h | 15.8 km/h | 16.6 km/h |
| Humidity | 64% | 66% | 67% |
| Rainy days | 6 days | 19 days | 16 days |
| Dry days | 25 days | 11 days | 15 days |
Planning a trip to Ionian Islands? Discover the best time to visit
Ionian Islands in September - FAQ
What are the expected maximum and minimum temperatures in Ionian Islands during September?
How much rainfall should be expected in Ionian Islands during September?
What are the typical wind conditions in Ionian Islands during September?
Ionian Islands water temperatures in September
The average water temperature of the Mediterranean Sea near Ionian Islands in September is 25.7 °C. Temperatures remain fairly consistent throughout the month.
- What is the water temperature in Ionian Islands in September?
- The average water temperature in Ionian Islands in September is 25.7 °C.
- Can you swim in Ionian Islands in September?
- Ideal conditions for families and casual swimmers. You can stay in for long swims or reef explorations with no thermal protection required.
September rainfall patterns in Ionian Islands
UV exposure in Ionian Islands during September
What to pack to Ionian Islands in September?
Mild · highs around 25 °C, frequent showers
As you prepare for your trip to Ionian Islands 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 Ionian Islands, during September, is comfortable and enjoyable, regardless of the weather conditions.
🧥 Clothing
👟 Footwear
🎒 Accessories
Quick links
Where is Ionian Islands?Get accurate weather forecasts for Ionian Islands, located at latitude 39.598 and longitude 19.852. Stay updated with localized weather information tailored for Ionian Islands.