September · Lithuania
Best time to visit Trakai Island Castle in September Weather, crowds & prices
Weather in Trakai Island Castle in September
Average temperature 14°C, 36 mm of rain, about 9 days with 6+ hours of sunshine and 81% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
8.2/10
Ranked #2 of 12 months
- Avg temp
- 14°C
- Rainfall
- 36 mm
- Humidity
- 81%
- Days with 6h+ sun
- 9
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
September in Trakai Island Castle scores 8.2/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 14°C, 36 mm of rain, and roughly 9 days with 6+ hours of sunshine this month.
A red-brick Gothic stronghold on an island in Lake Galvė, Trakai Island Castle lies a short trip from Vilnius.
September in Trakai Island Castle — reliably good (2nd best month)
Temperatures hover around 14°C (58°F) — the kind of month where neither heat nor cold forces the schedule.
With around 36 mm of rain, any showers tend to pass through rather than settle in; about 9 days with 6+ hours of sunshine and 12.4 hours of daylight fill the rest.
That is 8.2/10 on the same scale — 2nd of 12 months, versus 8.3/10 for the best month here.
Pack layers you can shed by midday plus one warm layer for the evening.
Budget for peak pricing, and crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Trakai Island Castle in September?
- In September, Trakai Island Castle averages 14°C, 36 mm of rain, and about 9 days with 6+ hours of sunshine. Its climate-comfort score is 8.2/10.
- Is September a good time to visit Trakai Island Castle?
- September earns a 8.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Trakai Island Castle in September?
- Expect about 36 mm of rain in September. Average humidity is 81% and there are about 9 days with 6+ hours of sunshine.
Curated in Trakai Island Castle
Tickets & experiences
Things to do in Trakai Island Castle
Trakai Island Castle, Lithuania. Live activities and tours from GetYourGuide, matched to this destination.