When to go · Opatija
Opatija in September
Great month. Inside Opatija's best window: May–Sep.
Key facts
- Verdict
- Great
- Temperature
- 26°C (79°F)79°F (26°C) / 16°C (61°F)61°F (16°C)
- average high / low
- Rain days
- 6
- Crowds
- Medium
- Croatia overall
- Prices
- Medium
- Croatia overall
Verdict
Inside Opatija's best window: May–Sep.
Is another month better than September?
No other month rates higher than September for Opatija in this guide.
Weather in September
- OpatijaHighs around 26 °C (79 °F), lows around 16 °C (61 °F), rain on about 6 daysHighs around 79 °F (26 °C), lows around 61 °F (16 °C), rain on about 6 days
- Istria and Kvarner, Croatia · Rovinj, Pula, Opatija, Rijekabest weather
Slightly cooler and greener than Dalmatia; truffle season September–November inland.
Crowds and prices
- Crowds · Croatia overall
- Medium
- Prices · Croatia overall
- Medium
Croatia overall: Best month overall: warm sea, thinner crowds, grape harvest.
Compare two months
Weather, crowds and prices for any two months in Opatija, side by side.
Verdict
Sep: Great
May: Great
Daytime high
Sep: 26 °C (79 °F)79 °F (26 °C)
May: 23 °C (73 °F)73 °F (23 °C)
Night low
Sep: 16 °C (61 °F)61 °F (16 °C)
May: 13 °C (55 °F)55 °F (13 °C)
Rain days
Sep: 6
May: 5 (better)
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 0
May: 0
September: Inside Opatija's best window: May–Sep.
May: Inside Opatija's best window: May–Sep.
Opatija: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.