easeweather.com
Units
°C
°F
Piraeus
Forecast Today Tomorrow
more
Attica GreeceUnited States

Weather in Piraeus for September 2025

Your guide to Piraeus weather in September - trends and predictions
  • In general, the average temperature in Piraeus at the beginning of September is 29.3 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 26.1 °C by the end of September.

  • Piraeus sees moderate rainfall in September, averaging 6 rainy days.

  • Is September a good time to visit Piraeus? check out the best time to travel to Piraeus page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/21°
Temperatures
Average wind speed
20 km/h
Avg max wind
Average humidity
53 %
Avg humidity

Piraeus in September average weather

Move between months or click on a day
Select a date

You can click on date

Access Piraeus weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Got it

Temperatures trend during September in Piraeus

See the weather trend as well as the moving average line
Weather Expert

Are you interested in traveling to Piraeus in September?

Leave your details and get the best deals for September. Speak with a holiday expert specializing in Piraeus today.

September weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
29° /22° 0.1 mm 7
2 Sept. Sunny
Sunny
30° /23° 0 mm 8
3 Sept. Sunny
Sunny
30° /23° 0 mm 8
4 Sept. Patchy rain possible
Patchy rain possible
30° /23° 0.1 mm 7
5 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
28° /22° 12 mm 7
6 Sept. Light rain shower
Light rain shower
29° /23° 5.1 mm 7
7 Sept. Patchy rain possible
Patchy rain possible
29° /23° 0.1 mm 7
8 Sept. Cloudy
Cloudy
28° /22° 0 mm 7
9 Sept. Partly cloudy
Partly cloudy
27° /22° 0 mm 7
10 Sept. Sunny
Sunny
27° /22° 0.6 mm 7
11 Sept. Sunny
Sunny
25° /20° 1.8 mm 6
12 Sept. Sunny
Sunny
27° /21° 0 mm 7
13 Sept. Sunny
Sunny
29° /21° 0 mm 7
14 Sept. Partly cloudy
Partly cloudy
28° /22° 0 mm 7
15 Sept. Sunny
Sunny
28° /22° 0 mm 8
16 Sept. Sunny
Sunny
27° /21° 0 mm 7
17 Sept. Sunny
Sunny
27° /21° 0 mm 7
18 Sept. Sunny
Sunny
25° /20° 0 mm 6
19 Sept. Sunny
Sunny
27° /19° 0 mm 7
20 Sept. Sunny
Sunny
27° /20° 0 mm 7
21 Sept. Sunny
Sunny
27° /21° 0 mm 7
22 Sept. Sunny
Sunny
28° /21° 0 mm 8
23 Sept. Sunny
Sunny
28° /22° 0 mm 8
24 Sept. Overcast
Overcast
28° /23° 0 mm 7
25 Sept. Patchy light rain with thunder
Patchy light rain with thunder
27° /22° 0.9 mm 7
26 Sept. Patchy rain possible
Patchy rain possible
26° /21° 0.2 mm 7
27 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
25° /21° 16 mm 6
28 Sept. Light rain shower
Light rain shower
26° /20° 3.8 mm 6
29 Sept. Patchy rain possible
Patchy rain possible
27° /21° 0.1 mm 7
30 Sept. Thundery outbreaks possible
Thundery outbreaks possible
24° /19° 0 mm 6
Next
Important Notice
Our weather forecast for Piraeus in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Piraeus forecast closer to your planned date for the most up-to-date weather information.

Piraeus in September - FAQ

What are the expected maximum and minimum temperatures in Piraeus during September?
During September, expect a variety of temperatures with highs around 27° and lows near 21°, suitable for diverse activities and preferences.
How much rainfall should be expected in Piraeus during September?
Moderate rainfall is anticipated in Piraeus during September, with a total of 76.5 mm spread over approximately 6 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Piraeus during September?
The average wind speed in Piraeus during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Piraeus in September?

As you prepare for your trip to Piraeus in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Piraeus, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips

Quick links

Location coordinates Where is Piraeus?

Get accurate weather forecasts for Piraeus, located at latitude 37.942 and longitude 23.646. Stay updated with localized weather information tailored for Piraeus.

Found a mistake?
We appreciate your attention to details. Tell us here.