Mamaia Weather in September

With daytime temperatures of 24°C (75°F) and nighttime lows of 16°C (61°F), September in Mamaia brings high temperatures during the day. It is also the wettest month of the year, so pack an umbrella.

Rainfall in Mamaia in September

This is the wettest month of the year, so having an umbrella ready is a smart choice. Typically around 5 days of rainfall are expected, averaging 54 mm (2.1 in) for the month. Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.

Temperature in Mamaia in September

September tends to be one of the perfect months in Mamaia, with 24°C (75°F) in the afternoon and 16°C (61°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Mamaia in September

There are approximately 228 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Mamaia in September

Wind speeds average 4 m/s (8 knots) during September. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.

Average water temperature in September

The water is 21°C (70°F) this month — a comfortable temperature that most swimmers enjoy. Warm enough to stay in without getting cold quickly.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. May, June, July, August and September typically offer the best weather for Mamaia.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• October
• November
• December

For a detailed overview over the year and the best time to visit Romania, check out our Mamaia's climate page.

Mamaia Temperature in September

Min Temperature 16°C (61°F)  

Max Temperature 24°C (75°F)  

Water Temperature 21°C (70°F) *  

Chance of Rain 18%  

Precipitation 54 mm (2.1 in)  

Rainy days 5 days  

Humidity 79% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 228 hours *  

Percentage Sunshine *  

* Data from: Constanţa, Romania (3 KM, 2 Miles).

What to Wear in Mamaia in September

For Mamaia in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. With water temperatures around 21°C (70°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Mamaia in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

10/10

Cycling

10/10

Walking

10/10

Barbeque

9/10

Camping

8/10

Outdoor sports

10/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Romania, check out our Mamaia's climate page.

More climate data for Mamaia

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Mamaia climate overview or explore weather in Romania.