Weather in Ionian Islands for September 2026
In general, the average temperature in Ionian Islands at the beginning of September is 26.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 23.7 °C by the end of September.
Ionian Islands in September brings notable rainfall, with an average of 17 rainy days and a total precipitation of 108.1 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 | 26° /22° | 0 mm | 7 | |
| 2 Sept. | Sunny | 27° /22° | 0 mm | 7 | |
| 3 Sept. | Sunny | 27° /23° | 0.1 mm | 6 | |
| 4 Sept. |  Moderate or heavy rain shower | 26° /21° | 6.5 mm | 6 | |
| 5 Sept. | Sunny | 26° /22° | 0.3 mm | 7 | |
| 6 Sept. |  Heavy rain at times | 27° /21° | 10.1 mm | 6 | |
| 7 Sept. | Sunny | 27° /22° | 0.9 mm | 7 | |
| 8 Sept. | Sunny | 26° /22° | 0 mm | 7 | |
| 9 Sept. | Sunny | 26° /21° | 8.3 mm | 7 | |
| 10 Sept. | Sunny | 25° /22° | 9.9 mm | 7 | |
| 11 Sept. | Sunny | 26° /22° | 1.8 mm | 6 | |
| 12 Sept. | Sunny | 26° /21° | 2.4 mm | 7 | |
| 13 Sept. |  Partly cloudy | 26° /22° | 6.7 mm | 7 | |
| 14 Sept. | Partly cloudy | 25° /21° | 1.1 mm | 6 | |
| 15 Sept. | Sunny | 24° /20° | 2.8 mm | 6 | |
| 16 Sept. | Sunny | 25° /21° | 0.7 mm | 7 | |
| 17 Sept. | Sunny | 25° /21° | 2.6 mm | 6 | |
| 18 Sept. | Sunny | 25° /21° | 7.5 mm | 6 | |
| 19 Sept. | Partly cloudy | 25° /21° | 2.1 mm | 6 | |
| 20 Sept. | Sunny | 25° /21° | 0.9 mm | 6 | |
| 21 Sept. |  Patchy rain possible | 25° /21° | 0.3 mm | 6 | |
| 22 Sept. | Patchy rain possible | 25° /21° | 0.5 mm | 6 | |
| 23 Sept. | Sunny | 25° /21° | 0.3 mm | 6 | |
| 24 Sept. | Moderate rain at times | 24° /20° | 3.8 mm | 5 | |
| 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 | Patchy rain possible | Sunny |
| Temperatures | 28°/24° | 25°/21° | 22°/19° |
| Rainfall | 26 mm | 108 mm | 63 mm |
| Wind | 15.3 km/h | 16.3 km/h | 15.7 km/h |
| Humidity | 64% | 65% | 66% |
| Rainy days | 5 days | 17 days | 14 days |
| Dry days | 26 days | 13 days | 17 days |
Planning a trip to Ionian Islands? Discover the best time to visit
Ionian Islands in September - FAQ
Ionian Islands water temperatures in September
The average water temperature of the Mediterranean Sea near Ionian Islands in September is 23.7 °C. At the beginning of September temperatures are around 23.1 °C; by the end of the month they get warmer and reach 24.5 °C.
- What is the water temperature in Ionian Islands in September?
- The average water temperature in Ionian Islands in September is 23.7 °C.
- Can you swim in Ionian Islands in September?
- Comfortably warm for most people. Sensitive swimmers might prefer a light rash-guard, but wetsuits are rarely needed.
What to pack to Ionian Islands in September?
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
- Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Ionian Islands
UV exposure in Ionian Islands during September
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.