Piraeus Weather in September

September is one of the perfect months to visit Piraeus, with daytime temperatures of 29°C (84°F) and lows of 20°C (68°F) at night. Some rainfall is typical for this time of year.

Rainfall in Piraeus in September

You can typically expect 2 days of rain this month, averaging around 17 mm (0.7 in). Any rain that does arrive tends to come in a single sharp spell rather than prolonged drizzle.

Temperature in Piraeus in September

September is a perfect month in Piraeus, with 29°C (84°F) during the day and 20°C (68°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights drop to around 20°C (68°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Piraeus in September

There are approximately 277 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Piraeus in September

Wind speeds average 1 m/s (2 knots) during September. At this speed, you'll experience mostly light air movement that's just barely noticeable. As an average, some days will be completely calm while others have gentle breezes you can feel on your skin.

Average water temperature in September

At 23°C (73°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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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 Greece, check out our Piraeus's climate page.

Piraeus Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 29°C (84°F)  

Water Temperature 23°C (73°F) *  

Chance of Rain 5%  

Precipitation 17 mm (0.7 in)  

Rainy days 2 days  

Humidity 57% *  

Windspeed 1 m/s (2 knots) *  

Sunshine 277 hours *  

Percentage Sunshine *  

* Data from: Athens, Greece (8 KM, 5 Miles).

What to Wear in Piraeus in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Almost no rain is expected, so no need to bring rain gear. With water temperatures around 23°C (73°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 Piraeus in September

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

Outdoor sports

8/10

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 Greece, check out our Piraeus's climate page.

More climate data for Piraeus

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Piraeus climate overview or explore weather in Greece.