Estonia weather in September 2025

Expect 14°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Estonia in September. Check more long-term weather averages for Estonia in September before you book your next holiday to Estonia in 2025/2026.

  • 14°C maximum daytime temperature in September in Estonia (Tallinn)14
    14°C max day temperature
  • 5 hours of sunshine per day
  • 17 days with some rainfall in September in Estonia (Tallinn)17
    17 days with some rainfall
  • 7°C minimum night-time temperature in September in Estonia (Tallinn)7
    7°C min night temperature
  • 13 hours of daylight per day in September in Estonia (Tallinn)13
    13 hours of daylight per day
  • No heat & humidity in September in Estonia (Tallinn)0
    No heat & humidity
  • 80 mm monthly rainfall in September in Estonia (Tallinn)80
    80 mm of monthly rainfall
  • UV (maximum) index 3 (Moderate) in September in Estonia (Tallinn)3
    3 (Moderate) UV index
  • 14°C sea temperature in September in Estonia (Tallinn)14
    14°C sea temperature

More about Estonia

Estonia by month

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

Recommended for Estonia

Avalon Waterways: Top deals on 2025 river cruises

  • Book early & save on 2025 river cruises with Avalon Waterways
  • Filter deals by promotion, month, destination & more
  • Travel between 1st Jan & 31st Dec 2025 (inclusive)
Go to Avalon Waterways deal >>

Expires at 23:59 on Wednesday 31st Dec 2025 · View all Avalon Waterways offers

The September weather guide for Estonia (Tallinn) 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.

Top Estonia destinations

Below are average maximum temperatures at popular countries, regions and places in Estonia in September. Select a holiday destination to see more weather parameters.

All Estonia destinations

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

Back to top

How warm is it in Estonia in September?

Daytime temperatures usually reach 14°C in Tallinn, Estonia in September, falling to 7°C at night.

How sunny is it in Estonia in September?

There are normally 5 hours of bright sunshine each day in Tallinn, Estonia in September - that's 36% of daylight hours.

How warm is the sea around Estonia in September?

The average sea temperature around Tallinn, Estonia in September is 14°C.

Does it rain in Estonia in September?

There are usually 17 days with some rain in Tallinn, Estonia in September and the average monthly rainfall is 80mm.

Estonia September sunrise & sunset times

Browse the sunrise and sunset times for Estonia in September 2025. Select a month to view Estonia sunrise and sunset times for the next 12 months. The Estonia sunrise and sunset times shown below are for Tallinn.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:18 19:23
Monday, 15th September 2025 05:50 18:41
Tuesday, 30th September 2025 06:24 17:57

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^