Latvia in September: where is it warmest?
In September, Riga is the warmest place with 17 °C by day, Daugavpils the coolest with 16 °C. 2 of 3 destinations have good holiday weather.
All destinations in September, warmest first
Long-term averages for the month: daytime high, sea, sunshine and rainy days.
| Place | Score | Air | Sea | Sun | Rain days |
|---|---|---|---|---|---|
| Riga | 68 | 17° | – | 6 h | 11 |
| Liepāja | 21 | 17° | 16° | 6 h | 11 |
| Daugavpils | 68 | 16° | – | 5 h | 9 |
Latvia in September: quick answers
Latvia in September: where is it warmest?
The warmest places in September are Riga (17 °C), Liepāja (17 °C) and Daugavpils (16 °C).
Latvia in September: where is the sea warmest?
The sea is warmest at Liepāja (16 °C).
Latvia in September: where is the weather best?
The best holiday weather in September – warm, sunny and dry – is in Riga, Daugavpils and Liepāja.
Latvia month by month
Latvia: 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