Istanbul in September: weather & travel advice
Istanbul in September is especially suited to family holidays, city breaks, beach holidays and active holidays and hiking. Days are around 25 °C (warm). With about 4 rainy days it is dry.
Istanbul · SeptemberPhoto: Bosphorus_Istanbul_2007.jpg: Gryffindor derivative work: Stegop · Public domainClimate facts
- Day
- 25 °C
- Night
- 19 °C
- Rainy days
- 4 rainy days
- Sun
- 6 h/day
- Humidity
- 68 %
Suitability by travel type
BeachExcellent92/100
City breakExcellent95/100
ActiveExcellent83/100
FamilyExcellent98/100
In favour
- Pleasant daytime temperatures around 25 °C
- Little rain (about 4 rainy days)
To consider
- No significant drawbacks.
All months at a glance
8J
9F
12M
16A
21M
26J
29J
29A
25S
20O
15N
10D
12J
11F
9M
6A
4M
3J
2J
2A
4S
7O
9N
12D
Similar destinations in September
Frequently asked questions
How warm is Istanbul in September?
Daytime highs average around 25 °C, with nights around 19 °C.
Does it rain a lot in Istanbul in September?
On the long-term average, expect about 4 rainy days.
When is the best time to visit Istanbul?
The most favourable months are usually the ones highlighted on the overview page. Values are historical averages, not a forecast.