Ithaca weather in September 2025

Expect 81°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Ithaca in September. Check more long-term weather averages for Ithaca in September before you book your next holiday to Greece in 2025/2026.

  • 81°F maximum daytime temperature in September in Ithaca81
    81°F max day temperature
  • 9 hours of sunshine per day
  • 4 days with some rainfall in September in Ithaca4
    4 days with some rainfall
  • 61°F minimum night-time temperature in September in Ithaca61
    61°F min night temperature
  • 12 hours of daylight per day in September in Ithaca12
    12 hours of daylight per day
  • Moderate heat & humidity in September in IthacaM
    Moderate heat & humidity
  • 1.9 inches monthly rainfall in September in Ithaca1.9
    1.9 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Ithaca7
    7 (High) UV index
  • 75°F sea temperature in September in Ithaca75
    75°F sea temperature

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The September weather guide for Greece (Ithaca) 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)  |  Imperial (°F)

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More about Greece

How hot is it in Ithaca in September?

Daytime temperatures usually reach 81°F in Ithaca in September with moderate heat and humidity, falling to 61°F at night.

How sunny is it in Ithaca in September?

There are normally 9 hours of bright sunshine each day in Ithaca in September - that's 75% of daylight hours.

How warm is the sea around Ithaca in September?

The average sea temperature around Ithaca in September is 75°F.

Does it rain in Ithaca in September?

There are usually 4 days with some rain in Ithaca in September and the average monthly rainfall is 1.9 inches.

Ithaca September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:07 19:07
Monday, 15th September 2025 06:19 18:45
Tuesday, 30th September 2025 06:32 18:21

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