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Italy weather

Weather in Olbia for September 2025

Your guide to Olbia weather in September - trends and predictions

    Temperatures

  • The forecast for the next days in Olbia predicts temperatures to be around 30 °C, close to the historical average.

  • In general, the average temperature in Olbia at the beginning of September is 30.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.9 °C by the end of September.

    • Rain 🌧️

  • Olbia experiences moderate rainfall in September, with an average of 8 rainy days and a total precipitation of 44.9 mm.

    • More

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

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

Average dry days
22
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/17°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Olbia Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Sunny
31°
2
Sunny
29°
3
Sunny
30°
4
Sunny
29°
5
Sunny
31°
6
Sunny
29°
7
Sunny
32°
8
Sunny
33°
9
Sunny
32°
10
Patchy rain possible
34°
11
Moderate rain
30°
12
Sunny
30°
13
Sunny
30°
14
Sunny
27°
15
Sunny
29°
16
Sunny
29°
17
Sunny
30°
18
Partly cloudy
27°
19
Patchy rain possible
27°
20
Patchy light rain
25°
21
Patchy rain possible
26°
22
Patchy rain possible
27°
23
Patchy rain possible
25°
24
Patchy rain possible
25°
25
Sunny
25°
26
Sunny
27°
27
Sunny
29°
28
Sunny
25°
29
Partly cloudy
25°
30
Sunny
25°

Temperatures trend during September in Olbia

See the weather trend as well as the moving average line

September weather in Olbia day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Sunny
Sunny
 31° /18° 0 mm 8
2 Sept. Sunny
Sunny
 29° /18° 0.1 mm 7
3 Sept. Sunny
Sunny
 30° /17° 2.2 mm 7
4 Sept. Sunny
Sunny
 29° /17° 0 mm 1.8
5 Sept. Sunny
Sunny
 31° /16° 0 mm 1.8
6 Sept. Sunny
Sunny
 29° /16° 0 mm 1.7
7 Sept. Sunny
Sunny
 32° /17° 0 mm 1.5
8 Sept. Sunny
Sunny
 33° /21° 0 mm 1.4
9 Sept. Sunny
Sunny
 32° /21° 0 mm 7
10 Sept. Patchy rain possible
Patchy rain possible
 34° /21° 0.1 mm 6
11 Sept. Moderate rain
Moderate rain
 30° /18° 17.4 mm 5
12 Sept. Sunny
Sunny
 30° /17° 0 mm 6
13 Sept. Sunny
Sunny
 30° /17° 0 mm 6
14 Sept. Sunny
Sunny
 27° /16° 0 mm 6
15 Sept. Sunny
Sunny
 29° /19° 0 mm 6
16 Sept. Sunny
Sunny
 29° /19° 0 mm 6
17 Sept. Sunny
Sunny
 30° /17° 0 mm 6
18 Sept. Partly cloudy
Partly cloudy
 27° /18° 2.4 mm 7
19 Sept. Patchy rain possible
Patchy rain possible
 27° /16° 0.4 mm 6
20 Sept. Patchy light rain
Patchy light rain
 25° /16° 0.8 mm 6
21 Sept. Patchy rain possible
Patchy rain possible
 26° /15° 0 mm 6
22 Sept. Patchy rain possible
Patchy rain possible
 27° /16° 2.6 mm 6
23 Sept. Patchy rain possible
Patchy rain possible
 25° /16° 3 mm 6
24 Sept. Patchy rain possible
Patchy rain possible
 25° /16° 0.3 mm 6
25 Sept. Sunny
Sunny
 25° /16° 0.1 mm 6
26 Sept. Sunny
Sunny
 27° /16° 0 mm 7
27 Sept. Sunny
Sunny
 29° /17° 0 mm 8
28 Sept. Sunny
Sunny
 25° /16° 0 mm 7
29 Sept. Partly cloudy
Partly cloudy
 25° /15° 0 mm 7
30 Sept. Sunny
Sunny
 25° /14° 0 mm 7
Next
Important Notice
Our weather forecast for Olbia 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 Olbia forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
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Olbia weather in September vs August vs October

Compare September weather in Olbia 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
Sunny
Sunny
Patchy rain possible
Patchy rain possible
Temperatures32°/20°27°/17°25°/15°
Rainfall26 mm45 mm34 mm
Wind18.7 km/h17 km/h16.1 km/h
Humidity53%63%69%
Rainy days6 days8 days11 days
Dry days25 days22 days20 days

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

Olbia in September - FAQ

What are the expected maximum and minimum temperatures in Olbia during September?
During September, expect a variety of temperatures with highs around 27° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Olbia during September?
In September, Olbia can expect light to moderate rainfall, totaling 44.9 mm across approximately 8 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Olbia during September?
The average wind speed in Olbia during September is 17 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Olbia in September?

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

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • 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

September rainfall patterns in Olbia

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

UV exposure in Olbia 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 Olbia?

Get accurate weather forecasts for Olbia, located at latitude 40.923 and longitude 9.498. Stay updated with localized weather information tailored for Olbia.

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