Istra Weather in September

Istra in September averages 17°C (63°F) during the day and 7°C (45°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Istra in September

Typically, about 15 days will experience rainfall, with an average of 68 mm (2.7 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in Istra in September

September in Istra sees highs of 17°C (63°F) and lows of 7°C (45°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights drop to 7°C (45°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Istra in September

You can expect a moderate amount of sunlight, with approximately 144 hours. This means a pleasant mix of sun and overcast.

If you prefer dry days with pleasant temperatures, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.