Weather in Vilnius in September
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Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youSeptember in Vilnius is pleasantly mild, with average highs of 17.4°C and lows of 9.3°C. It is moderately rainy (8 rainy days), with roughly 9.0 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. For the complete picture, see the best time to visit Vilnius — every month compared. Once you know when to go, find your Vilnius packing list at 247PackingList.
Get ready for Vilnius in September
Search flights to Vilnius
Compare 100+ airlines for September — one search, best price.
Search Flights →Thermal travel layers
Pack proper layers — winters are genuinely cold and evenings drop fast year-round.
Check Price →What to pack for Vilnius in September
- Warm layers
- Light jacket or fleece
- Comfortable walking shoes
Compare all months in Vilnius
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 0.7°C | 79.4mm | 8/10 |
| February | 1.1°C | 47.1mm | 8/10 |
| March | 6.0°C | 34.0mm | 10/10 |
| April | 10.8°C | 48.7mm | 10/10 |
| May | 15.8°C | 92.2mm | 10/10 |
| June | 23.1°C | 90.9mm | 10/10 |
| July | 23.3°C | 77.4mm | 10/10 |
| August | 23.4°C | 100.9mm | 9/10 |
| September | 17.4°C | 44.4mm | 10/10 |
| October | 11.9°C | 68.3mm | 10/10 |
| November | 4.9°C | 59.4mm | 8/10 |
| December | -0.2°C | 57.8mm | 6/10 |
Full month-by-month guide: best time to visit Vilnius →
For facts about Lithuania — currency, language and dialling code — see our Lithuania country guide at 247CountryInfo. Travellers also find it useful to keep a Vilnius travel guide to hand. Check clothing sizes in Lithuania before you shop.
Frequently Asked Questions
Is September a good time to visit Vilnius?
September rates 10/10 for visiting Vilnius — excellent time to visit. Expect average highs of 17.4°C, 44.4mm of rain across the month and about 9.0 hours of daily sunshine.
What is the temperature in Vilnius in September?
In September, Vilnius has average highs of 17.4°C (63.3°F) and average lows of 9.3°C (48.7°F).
Does it rain in Vilnius in September?
Not much. September averages just 44.4mm of rain in Vilnius — the odd shower is possible but most days stay dry.
What should I wear in Vilnius in September?
For Vilnius in September (17.4°C highs / 9.3°C lows), pack warm layers plus light jacket or fleece, comfortable walking shoes.
More essentials for Vilnius in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.