Contents
Weather in September
Temperature
September's arrival in Constanța, Romania, subtly correlates with a reduction in the average high-temperature, down from a moderately hot 25.8°C (78.4°F) in August to a pleasant 22.4°C (72.3°F). During September, Constanța sees a mean low-temperature of 14.6°C (58.3°F).Rainfall
In Constanța, in September, it is raining for 3 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, there are 59 rainfall days, and 396mm (15.59") of precipitation is accumulated.Snowfall
In Constanța, snow does not fall in April through October.Sea temperature
In Constanța, in September, the average water temperature is 21°C (69.8°F).Note: For swimming, a surface water temperature of 21°C (69.8°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).
Daylight
In September, the average length of the day is 12h and 31min.On the first day of September in Constanța, sunrise is at 06:29 and sunset at 19:41. On the last day of the month, sunrise is at 07:02 and sunset at 18:48 EEST.
Sunshine
The average sunshine in September is 8h.UV index
In Constanța, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 5 in September translates into this advice:
Ensure safety - Recommendations to avert sunburn are presented. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
What is the average September temperature in Constanța?
How much does it rain in Constanța in September?
When it does not snow in Constanța?
What is the sea temperature in September in Constanța?
How many hours of daylight does Constanța have in September?
When is the sunrise / sunset in September in Constanța?
How long on average sun shines in September in Constanța?
What is the UV index reading in September in Constanța?
Average temperature in September
Constanța, Romania
- Average high temperature in September: 22.4°C
The warmest month (with the highest average high temperature) is July (25.9°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in September: 14.6°C
The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average rainfall in September
Constanța, Romania
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is November (42mm).
The driest month (with the least rainfall) is March (26mm).
Average rainfall days in September
Constanța, Romania
- Average rainfall days in September: 3 days
The months with the highest number of rainy days are May, June, November and December (6 days).
The months with the least rainy days are August and September (3 days).
Average snowfall in September
Constanța, Romania
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (70mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average sea temperature in September
Constanța, Romania
- Average sea temperature in September: 21°C
The best month for swimming (with the highest average sea temperature) is August (24°C).
The coldest month (with the lowest average sea temperature) is February (6°C).
Average daylight in September /
Average sunshine in September
Constanța, Romania
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average UV index in September
Constanța, Romania
- 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).
Constanța, Romania
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