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Weather in Cortona for September 2025

Your guide to Cortona weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Cortona is slightly cooler than the historical average by -1.5 °C.

  • Expect cooler weather in the next days in Cortona with the forecast suggesting a temperature of 23.4 °C, lower than the historical average.

  • In general, the average temperature in Cortona at the beginning of September is 27.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 19.7 °C by the end of September.

    • Rain 🌧️

  • The climate of Cortona in September is notably wet, with an average of 15 rainy days, and a total of 85.5 mm of precipitation.

    • More

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

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

Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/13°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
66 %
Avg humidity

Cortona Weather September

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

Temperatures trend during September in Cortona

See the weather trend as well as the moving average line

September weather in Cortona day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 29° /15° 0 mm 7
2 Sept. Sunny
Sunny
 27° /14° 4.2 mm 6
3 Sept. Patchy rain possible
Patchy rain possible
 28° /15° 0.3 mm 7
4 Sept. Partly cloudy
Partly cloudy
 29° /15° 0.9 mm 7
5 Sept. Sunny
Sunny
 26° /14° 6 mm 7
6 Sept. Sunny
Sunny
 27° /14° 0 mm 7
7 Sept. Sunny
Sunny
 29° /15° 0 mm 7
8 Sept. Sunny
Sunny
 27° /15° 10.6 mm 6
9 Sept. Light rain shower
Light rain shower
 28° /15° 13.3 mm 7
10 Sept. Sunny
Sunny
 26° /14° 21.8 mm 7
11 Sept. Patchy rain possible
Patchy rain possible
 27° /14° 0.2 mm 6
12 Sept. Sunny
Sunny
 25° /13° 6.6 mm 6
13 Sept. Cloudy
Cloudy
 22° /12° 3.2 mm 5
14 Sept. Partly cloudy
Partly cloudy
 24° /11° 0.1 mm 6
15 Sept. Sunny
Sunny
 27° /15° 0 mm 1.5
16 Sept. Patchy rain possible
Patchy rain possible
 27° /16° 0.1 mm 0.9
17 Sept. Sunny
Sunny
 25° /14° 0 mm 1.4
18 Sept. Sunny
Sunny
 26° /13° 0 mm 1.5
19 Sept. Sunny
Sunny
 29° /14° 0 mm 1.7
20 Sept. Sunny
Sunny
 29° /16° 0 mm 6
21 Sept. Sunny
Sunny
 26° /16° 0 mm 6
22 Sept. Sunny
Sunny
 27° /15° 0 mm 5
23 Sept. Patchy rain possible
Patchy rain possible
 19° /15° 0.5 mm 4
24 Sept. Patchy rain possible
Patchy rain possible
 19° /13° 0.4 mm 4
25 Sept. Partly cloudy
Partly cloudy
 21° /11° 0 mm 5
26 Sept. Sunny
Sunny
 23° /11° 0 mm 5
27 Sept. Cloudy
Cloudy
 16° /12° 0 mm 3
28 Sept. Patchy rain possible
Patchy rain possible
 14° /6° 0.2 mm 3
29 Sept. Sunny
Sunny
 22° /9° 0 mm 6
30 Sept. Sunny
Sunny
 23° /10° 0 mm 6
Next
Important Notice
Our weather forecast for Cortona 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 Cortona forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Cortona weather in September vs August vs October

Compare September weather in Cortona 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
WeatherSunny
Sunny
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures33°/18°25°/13°20°/11°
Rainfall58 mm85 mm139 mm
Wind16.1 km/h15.6 km/h13.6 km/h
Humidity54%66%77%
Rainy days9 days15 days20 days
Dry days22 days15 days11 days

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

Cortona in September - FAQ

What are the expected maximum and minimum temperatures in Cortona during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 13°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Cortona during September?
Moderate rainfall is anticipated in Cortona during September, with a total of 85.5 mm spread over approximately 15 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Cortona during September?
The average wind speed in Cortona during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Cortona in September?

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

  • Clothing
    • Warm Clothing: Sweaters, hoodies, long 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
    • Scarves: To protect you from the cold wind
    • Gloves/Mittens: Essential for cold weather
    • Warm Hats: Warm hats for insulation in cold weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Cortona

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

UV exposure in Cortona 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 Cortona?

Get accurate weather forecasts for Cortona, located at latitude 43.275 and longitude 11.985. Stay updated with localized weather information tailored for Cortona.

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