Sunny Beach weather in September 2025

Expect 73°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Sunny Beach in September. Check more long-term weather averages for Sunny Beach in September before you book your next holiday to Bulgaria in 2025/2026.

  • 73°F maximum daytime temperature in September in Sunny Beach73
    73°F max day temperature
  • 8 hours of sunshine per day
  • 4 days with some rainfall in September in Sunny Beach4
    4 days with some rainfall
  • 57°F minimum night-time temperature in September in Sunny Beach57
    57°F min night temperature
  • 12 hours of daylight per day in September in Sunny Beach12
    12 hours of daylight per day
  • No heat & humidity in September in Sunny Beach0
    No heat & humidity
  • 1.4 inches monthly rainfall in September in Sunny Beach1.4
    1.4 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in Sunny Beach5
    5 (Moderate) UV index
  • 72°F sea temperature in September in Sunny Beach72
    72°F sea temperature

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The September weather guide for Bulgaria (Sunny Beach) 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)  |  Imperial (°F)

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More about Bulgaria

How hot is it in Sunny Beach in September?

Daytime temperatures usually reach 73°F in Sunny Beach in September, falling to 57°F at night.

How sunny is it in Sunny Beach in September?

There are normally 8 hours of bright sunshine each day in Sunny Beach in September - that's 62% of daylight hours.

How warm is the sea around Sunny Beach in September?

The average sea temperature around Sunny Beach in September is 72°F.

Does it rain in Sunny Beach in September?

There are usually 4 days with some rain in Sunny Beach in September and the average monthly rainfall is 1.4 inches.

Sunny Beach September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:34 18:44
Monday, 15th September 2025 05:49 18:19
Tuesday, 30th September 2025 06:05 17:52

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