Riga weather in September 2024

Expect 16°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Riga in September. Check more long-term weather averages for Riga in September before you book your next holiday to Latvia in 2024/2025.

  • 16°C maximum daytime temperature in September in Riga16
    16°C max day temperature
  • 5 hours of sunshine per day
  • 16 days with some rainfall in September in Riga16
    16 days with some rainfall
  • 8°C minimum night-time temperature in September in Riga8
    8°C min night temperature
  • 13 hours of daylight per day in September in Riga13
    13 hours of daylight per day
  • No heat & humidity in September in Riga0
    No heat & humidity
  • 73 mm monthly rainfall in September in Riga73
    73 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Riga3
    3 (Moderate) UV index
  • 15°C sea temperature in September in Riga15
    15°C sea temperature

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The September weather guide for Latvia (Riga) 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 Riga in September?

Daytime temperatures usually reach 16°C in Riga in September, falling to 8°C at night.

How sunny is it in Riga in September?

There are normally 5 hours of bright sunshine each day in Riga in September - that's 40% of daylight hours.

How warm is the sea around Riga in September?

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

Does it rain in Riga in September?

There are usually 16 days with some rain in Riga in September and the average monthly rainfall is 73mm.

Riga September sunrise & sunset times

Browse the sunrise and sunset times for Riga in September 2024. Select a month to view Riga sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 06:27 20:19
Sunday, 15th September 2024 06:55 19:41
Monday, 30th September 2024 07:26 19:00

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