September · Slovenia
Best time to visit Postojna Cave in SeptemberWeather, crowds & prices
September score
6.6/10
Ranked #7 of 12 months
- Avg temp
- 17°C
- Rainfall
- 55 mm
- Humidity
- 72%
- Sunny days
- 17
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Postojna Cave scores 6.6/10 for nature and wildlife travel - a lower-scoring month (#7 of 12). Expect around 17°C, 55 mm of rain, and roughly 17 sunny days this month.
Postojna Cave is a karst cathedral of stalactites—electric train rides deep underground and nearby Predjama Castle cliff views. Best window: late spring through early autumn.
Curated in Postojna Cave
Tickets & experiences
Things to do in Postojna Cave
Postojna Cave, Slovenia. Live activities and tours from GetYourGuide, matched to this destination.
