Bratislava weather in September 2025

Expect 21°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Bratislava in September. Check more long-term weather averages for Bratislava in September before you book your next holiday to Slovakia in 2025/2026.

  • 21°C maximum daytime temperature in September in Bratislava21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 9 days with some rainfall in September in Bratislava9
    9 days with some rainfall
  • 11°C minimum night-time temperature in September in Bratislava11
    11°C min night temperature
  • 13 hours of daylight per day in September in Bratislava13
    13 hours of daylight per day
  • No heat & humidity in September in Bratislava0
    No heat & humidity
  • 44 mm monthly rainfall in September in Bratislava44
    44 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in September in Bratislava4
    4 (Moderate) UV index

More about Bratislava

Bratislava by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Slovakia

  • Book online with TUI & save up to 7% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost

TUITUI deal finder

The September weather guide for Slovakia (Bratislava) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Back to top

How hot is it in Bratislava in September?

Daytime temperatures usually reach 21°C in Bratislava in September, falling to 11°C at night.

How sunny is it in Bratislava in September?

There are normally 6 hours of bright sunshine each day in Bratislava in September - that's 47% of daylight hours.

Does it rain in Bratislava in September?

There are usually 9 days with some rain in Bratislava in September and the average monthly rainfall is 44mm.

Bratislava September sunrise & sunset times

Browse the sunrise and sunset times for Bratislava in September 2025. Select a month to view Bratislava sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:09 18:33
Monday, 15th September 2025 05:29 18:04
Tuesday, 30th September 2025 05:49 17:33

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^