Mild
Average highs are around 23°C, so days are mild rather than hot.
September verdict
Sunny Beach, Bulgaria in September
Weather score67Good
Good for holiday weather
Average highs are around 23°C, so days are mild rather than hot. Sunshine averages 7.6h per day, enough for a balanced month. Rainfall averages 35mm, which is relatively low for holiday planning.
September weather
Monthly averages
Temp
23°C
Rain
35mm
Sun
7.6h
Sea
23°C
Weather score
67
Good
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 35mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.6h per day, enough for a balanced month.
Swimmable
Sea temperatures average 23°C, which can work for swimming but may feel fresh.
Map
Weather map
Compare Sunny Beach, Bulgaria with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
September23°C average high
September sits in the warmer part of the year, so midday sightseeing can feel heavier than in cooler months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
Rain
September35mm average rain
September is one of Sunny Beach's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to October and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
September7.6 hours average sun
September is brighter than Sunny Beach's yearly average, though the strongest sunshine usually sits closer to the peak months.
Brightest monthsJune to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
September23°C average sea
September sits in the warmer sea-temperature season, usually making swimming easier to enjoy.
Warmest seaJune to September
Sea temperatures are usually near 22°C in this stretch, so swimming comfort is at its strongest.
Weather score
September67 weather score
September scores above Sunny Beach's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsJune to September
These months have the strongest weather score in the monthly averages.
