September weather forecastKonstantin, Bulgaria
September
Weather in September
September, the first month of the autumn in Konstantin, is also a moderately hot month, with temperature in the range of an average low of 13°C (55.4°F) and an average high of 23°C (73.4°F).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's warm 26°C (78.8°F) to a still moderately hot 23°C (73.4°F). In the month of September, an average of 13°C (55.4°F) marks the low-temperature.Rainfall
September is the month with the least rainfall in Konstantin. Rain falls for 4 days and accumulates 34mm (1.34") of precipitation.Sea temperature
In September, the average sea temperature is 22°C (71.6°F).Note: Cold sensitivities vary, but with the right amount of sunshine, a gentle breeze, and a warm day, a swim in 22°C (71.6°F) waters might be just right. Remember, Olympic swimmers are used to waters between 25°C (77°F) and 28°C (82.4°F).
Daylight
In September, the average length of the day is 12h and 30min.On the first day of the month, sunrise is at 06:40 and sunset at 19:50. On the last day of September, in Konstantin, sunrise is at 07:12 and sunset at 18:58 EEST.
Sunshine
In Konstantin, the average sunshine in September is 7h.UV index
In September, the average daily maximum UV index in Konstantin is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 5 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be vigilant! The Sun's UV rays get a boost from sand and water reflections.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Konstantin, Bulgaria
- Average high temperature in September: 23°C
The warmest months (with the highest average high temperature) are July and August (26°C).
The month with the lowest average high temperature is January (4°C).
- Average low temperature in September: 13°C
The months with the highest average low temperature are July and August (17°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average rainfall in September
Konstantin, Bulgaria
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is November (53mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in September
Konstantin, Bulgaria
- Average rainfall days in September: 4 days
The month with the highest number of rainy days is April (8 days).
The month with the least rainy days is September (4 days).
Average sea temperature in September
Konstantin, Bulgaria
- Average sea temperature in September: 22°C
The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest months (with the lowest average sea temperature) are January, February and March (7°C).
Average daylight in September /
Average sunshine in September
Konstantin, Bulgaria
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 7h
The months with the most sunshine are July and August (Average sunshine: 9h).
The month with the least sunshine is December (Average sunshine: 2h).
Average UV index in September
Konstantin, Bulgaria
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 1).





