Vilnius Weather in September

Mild days, cool evenings

September feels like a gentle step into autumn. Days reach about 18°C, but evenings can cool to 9°C. Rain falls on around 10 days, and skies are often cloudy, though you still get some sun.

It's a good month for walking the Old Town, browsing Užupis and taking in the view from Three Crosses Hill. A shower needn't end the day: duck into the Palace of the Grand Dukes or the National Museum of Lithuania. Long outdoor plans are less reliable than in August, so keep a rainy-day stop in mind.

Festivals and quieter streets

Sostinės dienos, or Capital Days, brings concerts, food stalls and other events to central Vilnius in early September. The Vilnius Marathon also takes place in September; its route can affect city-centre travel, so check local notices if you'll be crossing town that day.

Families who like a city break without midsummer heat may find September especially comfortable. Summer crowds have eased, and visitor demand is generally lower than in July and August. Prices can feel gentler too, though major events may make the centre busier for a spell.

A simple local tip

For a practical route, start at Cathedral Square, follow Pilies Street through the Old Town, then cross the river into Užupis. You'll pass cafés and historic lanes, with plenty of places to pause if the weather turns.

September's mix of mild afternoons and cool evenings suits sightseeing better than a beach-style holiday. Don't count on a full day of sunshine, and save exposed walks like Three Crosses Hill for a clearer spell. If you're visiting for Capital Days, expect more activity around the centre; otherwise, the quieter streets make it easier to linger over a bowl of cepelinai, Lithuania's potato dumplings.