Dubrovnik in September
In September, Dubrovnik averages 26°C (79°F) during the day and 18°C (64°F) at night, with around 6 days of rain (85 mm total).
Peak seasonConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
September is a great month to visit Dubrovnik: pleasant temperatures and relatively few wet days.
How September compares to the rest of the year in Dubrovnik
September is in the middle of the year for warmth in Dubrovnik (4th of 12) and moderately rainy compared to the rest of the year (9th of 12). Daytime temperature runs 6°C above the annual average (20°C). September runs 3°C cooler than August (29°C) and cools 5°C in October (21°C).
September sunrise & sunset in Dubrovnik
Times shown for Dubrovnik local time (Europe/Zagreb), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Dubrovnik — September
Golden-hour and blue-hour windows for the 15th of September, in Dubrovnik's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Dubrovnik in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Peak season) and Dubrovnik's popularity.
Crowds & pricing — September in Dubrovnik
Dubrovnik is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather beach-season conditions
Sun & mosquito risk — September in Dubrovnik
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Dubrovnik — September
Across the year Dubrovnik's sea swings from 14.8°C (February) to 27°C (August) — September sits at 25.1°C.
Dubrovnik in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 12°C / 54°F | 6°C / 43°F | 110 mm | 10 | — |
| February | 13°C / 55°F | 6°C / 43°F | 110 mm | 9 | — |
| March | 15°C / 59°F | 8°C / 46°F | 85 mm | 9 | — |
| April | 18°C / 64°F | 11°C / 52°F | 85 mm | 9 | — |
| May | 22°C / 72°F | 15°C / 59°F | 55 mm | 6 | — |
| June | 26°C / 79°F | 18°C / 64°F | 45 mm | 5 | — |
| July | 29°C / 84°F | 21°C / 70°F | 30 mm | 3 | — |
| August | 29°C / 84°F | 21°C / 70°F | 55 mm | 4 | — |
| September | 26°C / 79°F | 18°C / 64°F | 85 mm | 6 | — |
| October | 21°C / 70°F | 14°C / 57°F | 130 mm | 8 | — |
| November | 16°C / 61°F | 11°C / 52°F | 155 mm | 11 | — |
| December | 13°C / 55°F | 7°C / 45°F | 130 mm | 11 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Dubrovnik in September →
Frequently asked questions
How hot is Dubrovnik in September?
In September, Dubrovnik averages a high of 26°C (79°F) and a low of 18°C (64°F) — generally warm.
Does it rain a lot in Dubrovnik in September?
September sees occasional rain in Dubrovnik, with about 6 rainy days on average.
Is September a good time to visit Dubrovnik?
September is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Dubrovnik in September?
Pack light layers for warm days and cooler evenings. See the full September packing list for Dubrovnik for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.