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Weather in Portofino for September 2025

Your guide to Portofino weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Portofino is slightly cooler than the historical average by -1.2 °C.

  • Expect cooler weather in the next days in Portofino with the forecast suggesting a temperature of 22.3 °C, lower than the historical average.

  • In general, the average temperature in Portofino at the beginning of September is 24.4 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.6 °C by the end of September.

    • Rain 🌧️

  • Portofino in September brings notable rainfall, with an average of 20 rainy days and a total precipitation of 143.4 mm.

    • More

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

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
10
Dry days
Average rainy days
20
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/19°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
68 %
Avg humidity

Portofino Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
26°
2
Patchy rain possible
24°
3
Patchy rain possible
25°
4
Patchy rain possible
24°
5
Patchy light rain with thunder
23°
6
Patchy rain possible
24°
7
Patchy rain possible
25°
8
Sunny
24°
9
Light rain shower
24°
10
Sunny
24°
11
Patchy rain possible
24°
12
Sunny
23°
13
Sunny
22°
14
Cloudy
22°
15
Patchy rain possible
23°
16
Patchy rain possible
23°
17
Sunny
24°
18
Sunny
23°
19
Sunny
25°
20
Sunny
25°
21
Sunny
23°
22
Patchy rain possible
23°
23
Patchy rain possible
21°
24
Moderate rain
21°
25
Sunny
19°
26
Sunny
19°
27
Sunny
21°
28
Sunny
22°
29
Sunny
21°
30
Sunny
21°

Temperatures trend during September in Portofino

See the weather trend as well as the moving average line

September weather in Portofino day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Patchy rain possible
Patchy rain possible
 26° /22° 4.8 mm 6
2 Sept. Patchy rain possible
Patchy rain possible
 24° /21° 10.4 mm 6
3 Sept. Patchy rain possible
Patchy rain possible
 25° /21° 0.3 mm 6
4 Sept. Patchy rain possible
Patchy rain possible
 24° /21° 0.3 mm 6
5 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 23° /20° 18.8 mm 5
6 Sept. Patchy rain possible
Patchy rain possible
 24° /20° 2 mm 6
7 Sept. Patchy rain possible
Patchy rain possible
 25° /20° 2 mm 6
8 Sept. Sunny
Sunny
 24° /20° 11.8 mm 6
9 Sept. Light rain shower
Light rain shower
 24° /20° 3.2 mm 6
10 Sept. Sunny
Sunny
 24° /20° 9.5 mm 6
11 Sept. Patchy rain possible
Patchy rain possible
 24° /20° 0.9 mm 5
12 Sept. Sunny
Sunny
 23° /19° 6.2 mm 5
13 Sept. Sunny
Sunny
 22° /17° 1.1 mm 6
14 Sept. Cloudy
Cloudy
 22° /17° 0.5 mm 5
15 Sept. Patchy rain possible
Patchy rain possible
 23° /21° 1.3 mm 0.8
16 Sept. Patchy rain possible
Patchy rain possible
 23° /20° 0.5 mm 1
17 Sept. Sunny
Sunny
 24° /20° 0 mm 1.3
18 Sept. Sunny
Sunny
 23° /19° 0 mm 1.4
19 Sept. Sunny
Sunny
 25° /21° 0 mm 1.5
20 Sept. Sunny
Sunny
 25° /22° 0 mm 6
21 Sept. Sunny
Sunny
 23° /21° 0 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 23° /20° 0.8 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 21° /20° 3.4 mm 5
24 Sept. Moderate rain
Moderate rain
 21° /20° 7.6 mm 5
25 Sept. Sunny
Sunny
 19° /15° 0.1 mm 5
26 Sept. Sunny
Sunny
 19° /15° 0 mm 5
27 Sept. Sunny
Sunny
 21° /15° 0 mm 5
28 Sept. Sunny
Sunny
 22° /16° 0 mm 5
29 Sept. Sunny
Sunny
 21° /17° 0.1 mm 5
30 Sept. Sunny
Sunny
 21° /18° 0 mm 6
Next
Important Notice
Our weather forecast for Portofino 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 Portofino forecast closer to your planned date for the most up-to-date weather information.
Change Month
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Portofino weather in September vs August vs October

Compare September weather in Portofino with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherPatchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures28°/24°23°/19°19°/17°
Rainfall49 mm143 mm277 mm
Wind11.6 km/h16.3 km/h17.5 km/h
Humidity67%68%77%
Rainy days8 days20 days25 days
Dry days23 days10 days6 days

Planning a trip to Portofino? Discover the best time to visit

Portofino in September - FAQ

What are the expected maximum and minimum temperatures in Portofino during September?
During September, expect a variety of temperatures with highs around 23° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Portofino during September?
Significant rainfall exceeding 143.4 mm is expected in Portofino during September, occurring over more than 20 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Portofino during September?
The average wind speed in Portofino during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Portofino in September?

As you prepare for your trip to Portofino 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 Portofino, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
    • 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

September rainfall patterns in Portofino

Explore the daily rainfall trends and prepare for Portofinos September weather 💧

UV exposure in Portofino during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Portofino?

Get accurate weather forecasts for Portofino, located at latitude 44.303 and longitude 9.209. Stay updated with localized weather information tailored for Portofino.

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