Bulgaria weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Bulgaria in September. Check more long-term weather averages for Bulgaria in September before you book your next holiday to Bulgaria in 2025/2026.

  • 25°C maximum daytime temperature in September in Bulgaria (Burgas)25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 4 days with some rainfall in September in Bulgaria (Burgas)4
    4 days with some rainfall
  • 14°C minimum night-time temperature in September in Bulgaria (Burgas)14
    14°C min night temperature
  • 12 hours of daylight per day in September in Bulgaria (Burgas)12
    12 hours of daylight per day
  • No heat & humidity in September in Bulgaria (Burgas)0
    No heat & humidity
  • 34 mm monthly rainfall in September in Bulgaria (Burgas)34
    34 mm of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Bulgaria (Burgas)5
    5 (Moderate) UV index
  • 22°C sea temperature in September in Bulgaria (Burgas)22
    22°C sea temperature

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The September weather guide for Bulgaria (Burgas) 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.

Top Bulgaria destinations

Below are average maximum temperatures at popular countries, regions and places in Bulgaria in September. Select a holiday destination to see more weather parameters.

All Bulgaria destinations

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

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More about Bulgaria

How hot is it in Bulgaria in September?

Daytime temperatures usually reach 25°C in Burgas, Bulgaria in September with no heat and humidity, falling to 14°C at night.

How sunny is it in Bulgaria in September?

There are normally 8 hours of bright sunshine each day in Burgas, Bulgaria in September - that's 64% of daylight hours.

How warm is the sea around Bulgaria in September?

The average sea temperature around Burgas, Bulgaria in September is 22°C.

Does it rain in Bulgaria in September?

There are usually 4 days with some rain in Burgas, Bulgaria in September and the average monthly rainfall is 34mm.

Bulgaria September sunrise & sunset times

Browse the sunrise and sunset times for Bulgaria in September 2025. Select a month to view Bulgaria sunrise and sunset times for the next 12 months. The Bulgaria sunrise and sunset times shown below are for Burgas.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:35 18:44
Monday, 15th September 2025 05:50 18:20
Tuesday, 30th September 2025 06:06 17:53

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