Istanbul in Autumn — Weather & What to Expect
Autumn in Istanbul (September, October, November) averages daytime highs of 21.1°C and lows of 14.7°C, with around 191.7mm of rain across the season (20 rainy days in total). It includes some of the best months of the year to visit (September, October, November).
In the northern hemisphere, autumn in Istanbul covers September, October, November.
Autumn in Istanbul month by month
| Month | High | Low | Rain | Rainy days | Rating |
|---|---|---|---|---|---|
| September | 25.9°C | 18.7°C | 40.8mm | 5 | 10/10 |
| October | 20.9°C | 14.7°C | 47.5mm | 6 | 10/10 |
| November | 16.6°C | 10.8°C | 103.4mm | 9 | 9/10 |
What to pack for Istanbul in autumn
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
- Compact travel umbrella
- Waterproof jacket
Frequently Asked Questions
Is autumn a good time to visit Istanbul?
Autumn in Istanbul rates around 10/10 — excellent time to visit. Average highs are 21.1°C with 191.7mm of rain across the season.
How hot is Istanbul in autumn?
Daytime highs average 21.1°C (70.0°F) across September, October, November, with nights around 14.7°C.
What months are autumn in Istanbul?
Istanbul is in the northern hemisphere, so autumn covers September, October, November.
See also: best time to visit Istanbul · Istanbul annual climate · Istanbul in spring · Istanbul in summer · Istanbul in winter
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Once you know what autumn in Istanbul looks like, find out exactly what to pack for Istanbul at 247PackingList. For currency, language and country facts, see the Turkey guide at 247CountryInfo.
Autumn in Istanbul — what to pack
Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →Check clothing sizes in Turkey at 247Sizing before you shop.
More autumn travel essentials
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.