Estonia in September: where is it warmest?
In September, Tartu is the warmest place with 16 °C by day, Narva the coolest with 15 °C. 2 of 4 destinations have good holiday weather.
All destinations in September, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
Estonia in September: quick answers
Estonia in September: where is it warmest?
The warmest places in September are Tartu (16 °C), Pärnu (16 °C) and Tallinn (15 °C).
Estonia in September: where is the sea warmest?
The sea is warmest at Pärnu (16 °C) and Tallinn (15 °C).
Estonia in September: where is the weather best?
The best holiday weather in September – warm, sunny and dry – is in Tartu, Tallinn and Narva.
Estonia month by month
Estonia: weather & best time to visit
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences