When to go · Portorož
Portorož in September
Great month. Inside Portorož'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
- 5
- Crowds
- Medium
- Slovenia overall
- Prices
- Medium
- Slovenia overall
Verdict
Inside Portorož's best window: May–Sep.
Is another month better than September?
No other month rates higher than September for Portorož in this guide.
Weather in September
- PortorožHighs around 26 °C (79 °F), lows around 16 °C (61 °F), rain on about 5 daysHighs around 79 °F (26 °C), lows around 61 °F (16 °C), rain on about 5 days
Crowds and prices
- Crowds · Slovenia overall
- Medium
- Prices · Slovenia overall
- Medium
Slovenia overall: Best month: warm sea, clear mountains, fewer people.
Compare two months
Weather, crowds and prices for any two months in Portorož, 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: 5
May: 4 (better)
Crowds
Sep: Medium
May: Medium
Prices
Sep: Medium
May: Medium
Festivals listed
Sep: 0
May: 0
September: Inside Portorož's best window: May–Sep.
May: Inside Portorož's best window: May–Sep.
Portorož: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.