Ventspils weather in September 2025

Expect 16°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Ventspils in September. Check more long-term weather averages for Ventspils in September before you book your next holiday to Latvia in 2025/2026.

  • 16°C maximum daytime temperature in September in Ventspils16
    16°C max day temperature
  • 6 hours of sunshine per day
  • 16 days with some rainfall in September in Ventspils16
    16 days with some rainfall
  • 10°C minimum night-time temperature in September in Ventspils10
    10°C min night temperature
  • 13 hours of daylight per day in September in Ventspils13
    13 hours of daylight per day
  • No heat & humidity in September in Ventspils0
    No heat & humidity
  • 80 mm monthly rainfall in September in Ventspils80
    80 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Ventspils3
    3 (Moderate) UV index
  • 15°C sea temperature in September in Ventspils15
    15°C sea temperature

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The September weather guide for Latvia (Ventspils) 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)

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How warm is it in Ventspils in September?

Daytime temperatures usually reach 16°C in Ventspils in September, falling to 10°C at night.

How sunny is it in Ventspils in September?

There are normally 6 hours of bright sunshine each day in Ventspils in September - that's 43% of daylight hours.

How warm is the sea around Ventspils in September?

The average sea temperature around Ventspils in September is 15°C.

Does it rain in Ventspils in September?

There are usually 16 days with some rain in Ventspils in September and the average monthly rainfall is 80mm.

Ventspils September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:35 19:31
Monday, 15th September 2025 06:04 18:52
Tuesday, 30th September 2025 06:36 18:10

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