When to go · Ios
Ios in September
Great month. Inside Ios's best window: Jun and Sep (warm sea, fewer people); Jul–Aug for nightlife.
Key facts
- Verdict
- Great
- Temperature
- 26°C (79°F)79°F (26°C) / 20°C (68°F)68°F (20°C)
- average high / low
- Rain days
- 1
- Crowds
- Medium
- Greece overall
- Prices
- Medium
- Greece overall
Verdict
Inside Ios's best window: Jun and Sep (warm sea, fewer people); Jul–Aug for nightlife.
Is another month better than September?
No other month rates higher than September for Ios in this guide.
Weather in September
- IosHighs around 26 °C (79 °F), lows around 20 °C (68 °F), rain on about 1 dayHighs around 79 °F (26 °C), lows around 68 °F (20 °C), rain on about 1 day
Crowds and prices
- Crowds · Greece overall
- Medium
- Prices · Greece overall
- Medium
Greece overall: Warmest sea, easing crowds and heat; the best all-round month for islands.
Compare two months
Weather, crowds and prices for any two months in Ios, side by side.
Verdict
Sep: Great
Jun: Great
Daytime high
Sep: 26 °C (79 °F)79 °F (26 °C)
Jun: 27 °C (81 °F)81 °F (27 °C)
Night low
Sep: 20 °C (68 °F)68 °F (20 °C)
Jun: 19 °C (66 °F)66 °F (19 °C)
Rain days
Sep: 1
Jun: 1
Crowds
Sep: Medium
Jun: High
Prices
Sep: Medium
Jun: High
Festivals listed
Sep: 0
Jun: 0
September: Inside Ios's best window: Jun and Sep (warm sea, fewer people); Jul–Aug for nightlife.
June: Inside Ios's best window: Jun and Sep (warm sea, fewer people); Jul–Aug for nightlife.
Ios: figures are long-term averages from this guide, not a forecast.
What to pack
Nothing unusual for the weather this month.