Birštonas Weather in September
In Birštonas, September brings pleasant daytime temperatures around 19°C (66°F), with nights cooling to 9°C (48°F). Some rainfall is to be expected.
Rainfall in Birštonas in September
This month experiences about 14 days of rain according to historical data, averaging 60 mm (2.4 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Birštonas in September
September in Birštonas brings typical temperatures with highs around 19°C (66°F) and lows of 9°C (48°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Birštonas in September
The month brings about 160 hours of sunlight, offering a comfortable mix of sun and overcast.Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Lithuania, check out our Birštonas's climate page.
Birštonas Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
19°C (66°F)
Chance of Rain
48%
Precipitation
60 mm (2.4 in)
Rainy days
14 days
Humidity
79% *
Sunshine
160 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Birštonas typically drop from around 19°C (66°F) at the start of September to approximately 15°C (59°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 11°C (52°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Birštonas in September
Browse day-by-day weather records for Birštonas spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Birštonas historical weather extremes in September
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Birštonas.
- The hottest September day on record in Birštonas reached 29°C (84°F) (September 4, 2024).
- The lowest overnight temperature recorded in September was -3°C (27°F) (September 24, 2019).
Best Places in Lithuania in September
Find out more about the weather in Lithuania and which places have the best travel conditions in this month. See all of Lithuania in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Birštonas in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Birštonas in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Lithuania, check out our Birštonas's climate page.
Temperature Rainfall Sunshine Humidity
See the full Birštonas climate overview or explore weather in Lithuania.
