Heraklion (Crete) in September
In September, Heraklion (Crete) averages 29°C (83°F) during the day and 20°C (69°F) at night, with around 5 days of rain (22 mm total).
Peak seasonConditions are warm and beach-friendly. Occasional showers are likely but won't dominate.
September is a great month to visit Heraklion (Crete): pleasant temperatures and relatively few wet days.
How September compares to the rest of the year in Heraklion (Crete)
September is in the middle of the year for warmth in Heraklion (Crete) (4th of 12) and moderately rainy compared to the rest of the year (9th of 12). Daytime temperature runs 6°C above the annual average (23°C). September runs 2°C cooler than August (31°C) and cools 4°C in October (24°C).
September sunrise & sunset in Heraklion (Crete)
Times shown for Heraklion (Crete) local time (Europe/Athens), calculated for the 15th of September. They shift by a few minutes day to day across the month.
Photography light in Heraklion (Crete) — September
Golden-hour and blue-hour windows for the 15th of September, in Heraklion (Crete)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Heraklion (Crete) in September
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Peak season) and Heraklion (Crete)'s popularity.
Crowds & pricing — September in Heraklion (Crete)
Heraklion (Crete) is in peak season during this month — expect bigger crowds at famous sights, higher hotel and flight prices, and longer queues. Restaurant reservations a few days out are advisable, and any boutique hotels you have your eye on should be booked weeks ahead. The trade-off: most attractions, restaurants, and seasonal services are fully open, the weather is at its most reliable, and the city feels at its most alive.
Why this tier: excellent tourism weather beach-season conditions
Sun & mosquito risk — September in Heraklion (Crete)
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Sea temperature in Heraklion (Crete) — September
Across the year Heraklion (Crete)'s sea swings from 16.9°C (February) to 27.5°C (August) — September sits at 26.3°C.
Heraklion (Crete) in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | 15°C / 59°F | 9°C / 47°F | 65 mm | 12 | — |
| February | 16°C / 61°F | 9°C / 48°F | 70 mm | 10 | — |
| March | 17°C / 63°F | 10°C / 49°F | 75 mm | 10 | — |
| April | 21°C / 70°F | 12°C / 53°F | 29 mm | 5 | — |
| May | 25°C / 77°F | 16°C / 60°F | 26 mm | 5 | — |
| June | 29°C / 83°F | 20°C / 68°F | 20 mm | 3 | — |
| July | 31°C / 88°F | 23°C / 73°F | 4 mm | 1 | — |
| August | 31°C / 88°F | 23°C / 73°F | 14 mm | 2 | — |
| September | 29°C / 83°F | 20°C / 69°F | 22 mm | 5 | — |
| October | 24°C / 76°F | 17°C / 62°F | 33 mm | 6 | — |
| November | 21°C / 70°F | 14°C / 57°F | 43 mm | 8 | — |
| December | 17°C / 63°F | 10°C / 51°F | 68 mm | 11 | — |
Other cities with similar September weather
🌍 See the full ranked list of climate twins for Heraklion (Crete) in September →
Frequently asked questions
How hot is Heraklion (Crete) in September?
In September, Heraklion (Crete) averages a high of 29°C (83°F) and a low of 20°C (69°F) — generally warm.
Does it rain a lot in Heraklion (Crete) in September?
September sees occasional rain in Heraklion (Crete), with about 5 rainy days on average.
Is September a good time to visit Heraklion (Crete)?
September is warm and mostly dry. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Heraklion (Crete) in September?
Pack lightweight, breathable clothing, sunglasses and sunscreen. See the full September packing list for Heraklion (Crete) for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.