Monthly climate guide
Korčula weather in September
Expect warm weather in Korčula in September: afternoons reach about 25°C (77°F), while nights drop to around 20°C (69°F). Around 79 mm of rain falls over the month (some rain), and skies are a mix of sun and cloud. Daytime highs are 4°C cooler than August and 4°C warmer than October.
What stands out in September
- Seasonally, September counts as early autumn in Korčula.
- Just 130 km apart, but Korčula runs about 2°C warmer than Šibenik this month.
- There's little difference between day and night (around 5°C).
- It cools down fast from here: October is about 4°C cooler.
Avg high
25°C
77°F
Avg low
20°C
69°F
Rainfall
79 mm
some rain
Humidity
65%
relative
Sky
40%
cloud · a mix of sun and cloud
Korčula weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 11°C / 51°F | 8°C / 46°F | 82 mm | 74% | 65% |
| February | 12°C / 53°F | 8°C / 46°F | 92 mm | 75% | 64% |
| March | 14°C / 57°F | 9°C / 49°F | 80 mm | 74% | 61% |
| April | 17°C / 62°F | 12°C / 54°F | 64 mm | 73% | 54% |
| May | 20°C / 69°F | 16°C / 61°F | 62 mm | 71% | 50% |
| June | 26°C / 78°F | 21°C / 69°F | 38 mm | 66% | 34% |
| July | 29°C / 83°F | 23°C / 74°F | 29 mm | 60% | 23% |
| August | 29°C / 85°F | 24°C / 75°F | 24 mm | 59% | 20% |
| September | 25°C / 77°F | 20°C / 69°F | 79 mm | 65% | 40% |
| October | 21°C / 69°F | 16°C / 62°F | 86 mm | 70% | 48% |
| November | 17°C / 62°F | 14°C / 56°F | 118 mm | 74% | 61% |
| December | 13°C / 55°F | 10°C / 49°F | 104 mm | 72% | 57% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is September a good time to visit Korčula?
Compare the months in the chart above to find your ideal window.
Best time to visit Korčula →Other Croatia cities in September
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Korčula weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/croatia/korcula/september
<a href="https://weathercompare.eu/weather/croatia/korcula/september">Korčula weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/croatia/korcula" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Korčula weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/croatia/korcula/september">Korčula weather in September</a> – WeatherCompare</p>
Korčula in September: quick answers
Is September a good time to visit Korčula?
September is a reasonable time for Korčula: highs around 25°C and about 79 mm of rain, though not one of the three best months.
How warm is Korčula in September?
Average highs are about 25°C (77°F) and average lows about 20°C (69°F), based on 10 years of daily data.
Does it rain a lot in Korčula in September?
Korčula typically gets around 79 mm of rain in September — some rain.
Figures are long-term averages for the area around Korčula (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.