St Konstantin weather in September 2025

Expect 73°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in St Konstantin in September. Check more long-term weather averages for St Konstantin in September before you book your next holiday to Bulgaria in 2025/2026.

  • 73°F maximum daytime temperature in September in St Konstantin73
    73°F max day temperature
  • 7 hours of sunshine per day
  • 4 days with some rainfall in September in St Konstantin4
    4 days with some rainfall
  • 55°F minimum night-time temperature in September in St Konstantin55
    55°F min night temperature
  • 12 hours of daylight per day in September in St Konstantin12
    12 hours of daylight per day
  • No heat & humidity in September in St Konstantin0
    No heat & humidity
  • 1.3 inches monthly rainfall in September in St Konstantin1.3
    1.3 inches of monthly rainfall
  • UV (maximum) index 5 (Moderate) in September in St Konstantin5
    5 (Moderate) UV index
  • 72°F sea temperature in September in St Konstantin72
    72°F sea temperature

More about St Konstantin

St Konstantin by month

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

Recommended for Bulgaria

Air France: Best fare finder - cheap flight deals

  • Explore best fares on flights worldwide with Air France
  • Book deals on flights to Europe, Africa, Asia & Americas
  • Check out promo fares by continent. Filter by cabin class
Go to Air France deal >>

View all Air France offers

The September weather guide for Bulgaria (St Konstantin) 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)

Back to top

More about Bulgaria

How hot is it in St Konstantin in September?

Daytime temperatures usually reach 73°F in St Konstantin in September, falling to 55°F at night.

How sunny is it in St Konstantin in September?

There are normally 7 hours of bright sunshine each day in St Konstantin in September - that's 55% of daylight hours.

How warm is the sea around St Konstantin in September?

The average sea temperature around St Konstantin in September is 72°F.

Does it rain in St Konstantin in September?

There are usually 4 days with some rain in St Konstantin in September and the average monthly rainfall is 1.3 inches.

St Konstantin September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:32 18:43
Monday, 15th September 2025 05:48 18:18
Tuesday, 30th September 2025 06:04 17:51

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^