Lithuania in September: Weather, Crowds & What to Expect
Climate Map for September
Average temperature across Lithuania in September.
City Weather in September
| City | High | Low | Rain | UV | Feels |
|---|---|---|---|---|---|
| Vilnius | 16° | 8° | 66 mm | moderate | Cool |
| Kaunas | 16° | 8° | 55 mm | moderate | Cool |
| Klaipeda City Municipality | 16° | 10° | 86 mm | moderate | Cool |
| Šiauliai | 16° | 8° | 57 mm | moderate | Cool |
| Panevėžys | 18° | 8° | 58 mm | moderate | Cool |
| Alytus | 16° | 7° | 60 mm | moderate | Cool |
| Marijampolė | 17° | 8° | 55 mm | moderate | Cool |
High / low are average daily temperatures (°C). “Feels” reflects how hot or cold it feels, allowing for humidity.
Baltic Coast & Curonian Spit (Klaipėda, Palanga, Nida)
September brings crisp mornings and clearer light; tourists thin out and hotel rates drop, making it one of the best months for walking dunes and photographing the Curonian Lagoon. Sea temperatures are at their warmest from the summer, so occasional swimmers still take the water on sunny days. Autumn storms begin to build late in the month - pack a sturdy coat and keep an eye on ferry timetables during blustery weather.
Samogitia & Northern Lowlands (Šiauliai, Telšiai, Mažeikiai)
September is a favored month for its crisp mornings and golden light that makes castles and manor parks photogenic; crowds thin after the school holidays. Mushroom and berry picking are in full swing - join locals in the woods but be cautious with identification. Cooler nights arrive, so bring a warmer layer for early starts and evening walks through town squares and lakeshores.
Central Lithuania & Kaunas Region (Kaunas, Kėdainiai, Nemunas valley)
September brings cooler days and golden light, excellent for river-valley photography and touring small towns like Kėdainiai. The harvest mood makes local markets vibrant; mornings can be misty over the reservoir, which creates beautiful shots but can complicate sunrise photography. Layering remains wise - warm mornings, pleasant afternoons - and booking at smaller guesthouses is easier than in high summer.
Aukštaitija & Vilnius Upland (Vilnius, Trakai, Anykščiai, Zarasai)
September brings clear, crisp air and dramatic autumn color in the hills and forests; it’s one of the best months for photography and hiking before leaf fall. Harvest festivals and cultural events in Vilnius and small towns create lively local atmospheres without summer crowds. Cool mornings and warm afternoons mean sweaters and a waterproof will cover most situations; lakes begin to cool noticeably.
Dzūkija & Southern Spa Country (Druskininkai, Varėna, Merkinė)
September offers crisp mornings and an early autumnal feel, perfect for long forest walks and photographing mist over rivers; mushroom season is often at its best. Cultural events in Druskininkai run into the month and crowds thin after the school holidays, making weekdays especially pleasant. Pack layers and waterproofs for variable weather and expect quieter trails that are still fully accessible.
Events & Festivals in September
There are no major festivals or events in Lithuania during September to be aware of.