Istron Bay weather in September 2025

Expect 26°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Istron Bay in September. Check more long-term weather averages for Istron Bay in September before you book your next holiday to Crete in 2025/2026.

  • 26°C maximum daytime temperature in September in Istron Bay26
    26°C max day temperature
  • 10 hours of sunshine per day
  • 1 day with some rainfall in September in Istron Bay1
    1 day with some rainfall
  • 19°C minimum night-time temperature in September in Istron Bay19
    19°C min night temperature
  • 12 hours of daylight per day in September in Istron Bay12
    12 hours of daylight per day
  • Low heat & humidity in September in Istron BayL
    Low heat & humidity
  • 18 mm monthly rainfall in September in Istron Bay18
    18 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Istron Bay8
    8 (Very High) UV index
  • 25°C sea temperature in September in Istron Bay25
    25°C sea temperature

More about Istron Bay

Istron Bay by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Crete

Jet2holidays: up to £60pp off 2024/2025 holidays

  • Save up to £60 per person on holidays with myJet2
  • £60pp off winter 2024/2025 & £50pp off summer 2025
  • Travel before 31st October 2025 (inclusive)
Go to Jet2holidays deal >>

Expires at 23:59 on Saturday 30th Nov 2024 · View all Jet2holidays offers

Jet2holidaysJet2holidays deal finder

The September weather guide for Crete (Istron Bay) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

More about Crete

How hot is it in Istron Bay in September?

Daytime temperatures usually reach 26°C in Istron Bay in September with low heat and humidity, falling to 19°C at night.

How sunny is it in Istron Bay in September?

There are normally 10 hours of bright sunshine each day in Istron Bay in September - that's 78% of daylight hours.

How warm is the sea around Istron Bay in September?

The average sea temperature around Istron Bay in September is 25°C.

Does it ever rain in Istron Bay in September?

There is usually 1 day with some rain in Istron Bay in September and the average monthly rainfall is 18mm.

Istron Bay September sunrise & sunset times

Browse the sunrise and sunset times for Istron Bay in September 2025. Select a month to view Istron Bay sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:50 18:44
Monday, 15th September 2025 06:00 18:24
Tuesday, 30th September 2025 06:11 18:02

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^