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Weather Comparison

Cancun vs Istanbul

Side-by-side weather comparison for September

Cancun: 29°CIstanbul: 24°C10,452 km apart

September Weather: Cancun vs Istanbul

MetricCancunIstanbulBetter
Average HighHigher is warmer29°C (84°F)24°C (75°F)Cancun
Average LowHigher is milder26°C (79°F)18°C (64°F)Cancun
Rain DaysFewer is drier24 days7 daysIstanbul
PrecipitationLess is drier205 mm46 mmIstanbul
Sunshine HoursMore is sunnier10h/day11h/dayIstanbul
HumidityLower is more comfortable78%65%Istanbul
UV IndexLower is safer66Tie
Wind SpeedCalmer is better16 km/h21 km/hCancun

Which City is Better in September?

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Istanbul edges ahead as the better destination in September. Istanbul offers 11 hours of daily sunshine with only 7 rain days, while Cancun sees 10 sunshine hours and 24 rain days.

Cancun can feel quite hot at 29°C, so plan for heat. Istanbul is also comfortable at 24°C.

For travelers who prioritize dry weather, Istanbul is the stronger choice in September. Istanbul receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.

Temperature Comparison in September

Cancun reaches an average high of 29°C (84°F) and drops to 26°C (79°F) at night during September. The daily temperature range is 3°C, meaning relatively stable temperatures from day to night.

Istanbul averages 24°C (75°F) for the high and 18°C (64°F) for the low, with a daily range of 6°C. There is a notable 5°C gap between the two cities, so expect a very different feel.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in September.

Rainfall Comparison in September

Cancun receives approximately 205 mm of rainfall across 24 rain days during September. Rain is frequent, so waterproof gear is essential.

Istanbul sees 46 mm over 7 rain days. That makes Istanbul the drier option by 17 rain days and 159 mm of total precipitation.

Humidity also differs: Cancun averages 78% while Istanbul sits at 65%. Cancun will feel muggier, especially at higher temperatures.

What to Pack: Cancun vs Istanbul

Packing for Cancun in September

Highs of 29°C, lows of 26°C, 24 rain days

  • lightweight breathable clothing
  • sunscreen SPF 50+
  • sunglasses
  • a wide-brimmed hat
  • waterproof jacket
  • compact umbrella
  • waterproof shoes
  • moisture-wicking fabrics

Packing for Istanbul in September

Highs of 24°C, lows of 18°C, 7 rain days

  • light layers
  • a light jacket for evenings
  • sunscreen
  • a packable rain jacket
  • an umbrella

Year-Round Comparison: Cancun vs Istanbul

The table below shows average high temperatures and rain days for every month of the year, helping you find the best time to visit either city.September is highlighted for quick reference.

MonthCancunIstanbul
HighRainHighRain
Jan25°C11d8°C13d
Feb26°C8d9°C12d
Mar27°C7d11°C11d
Apr28°C7d15°C8d
May29°C14d20°C6d
Jun29°C19d25°C6d
Jul30°C18d28°C4d
Aug30°C21d28°C3d
Sep29°C24d24°C7d
Oct28°C21d19°C9d
Nov27°C12d14°C10d
Dec26°C11d10°C13d
29°

Cancun Weather in September

Full forecast, packing tips, and activities

24°

Istanbul Weather in September

Full forecast, packing tips, and activities

Frequently Asked Questions

Is Cancun warmer than Istanbul in September?
Yes. In September, Cancun is warmer with an average high of 29°C (84°F) compared to Istanbul at 24°C (75°F), a difference of 5°C.
Which city gets more rain in September, Cancun or Istanbul?
Cancun gets more rain in September with 24 rain days and 205 mm of precipitation. Istanbul is the drier option with 7 rain days.
Is it better to visit Cancun or Istanbul in September?
It depends on your preferences. Cancun averages 29°C and 10 hours of daily sunshine with 24 rain days. Istanbul averages 24°C with 11 sunshine hours and 7 rain days. If you prefer warmer weather, choose Cancun. For fewer rain days, Istanbul is the better pick.
How far apart are Cancun and Istanbul?
Cancun and Istanbul are approximately 10,452 km (6,491 miles) apart. Cancun is located in Mexico (North America) while Istanbul is in Turkey (Europe).
What is the best month to visit Cancun and Istanbul?
For Cancun, May tends to be the best month with 12 hours of daily sunshine and a high of 29°C. For Istanbul, July is typically ideal with 14 sunshine hours and 28°C highs.

Compare Cancun and Istanbul in Other Months

Climate data sourced from the Open-Meteo Historical Weather API, using ERA5 reanalysis data covering 30-year normals from 1991 to 2020. All temperatures shown in Celsius with Fahrenheit equivalents. Rain days count days with 1 mm or more of precipitation. Sunshine hours represent average daily values. This comparison is generated from long-term climate averages and individual trips may vary.

Cancun coordinates: 21.16°N, -86.85°E | Istanbul coordinates: 41.01°N, 28.98°E