Weather in Olbia for September 2025
In general, the average temperature in Olbia at the beginning of September is 29 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.9 °C by the end of September.
With an average of 2 rainy days, Olbia experiences minimal rainfall in September.
Is September a good time to visit Olbia? check out the best time to travel to Olbia page.
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Olbia Weather September
Temperatures trend during September in Olbia
September weather in Olbia day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Sunny | 30° /18° | 0 mm | 8 | |
| 2 Sept. | Sunny | 29° /18° | 0.1 mm | 7 | |
| 3 Sept. | Sunny | 30° /17° | 3.2 mm | 7 | |
| 4 Sept. |  Partly cloudy | 29° /19° | 0.9 mm | 7 | |
| 5 Sept. | Sunny | 27° /19° | 2.8 mm | 7 | |
| 6 Sept. | Sunny | 28° /17° | 0 mm | 7 | |
| 7 Sept. | Sunny | 30° /19° | 0.3 mm | 7 | |
| 8 Sept. | Sunny | 29° /20° | 14.8 mm | 7 | |
| 9 Sept. | Sunny | 28° /19° | 0.4 mm | 7 | |
| 10 Sept. | Sunny | 29° /18° | 0 mm | 8 | |
| 11 Sept. |  Overcast | 29° /17° | 0 mm | 7 | |
| 12 Sept. | Partly cloudy | 27° /16° | 11.9 mm | 6 | |
| 13 Sept. | Partly cloudy | 25° /16° | 0 mm | 7 | |
| 14 Sept. | Partly cloudy | 26° /15° | 0 mm | 7 | |
| 15 Sept. | Sunny | 26° /15° | 0 mm | 7 | |
| 16 Sept. |  Patchy light rain with thunder | 27° /16° | 0.3 mm | 6 | |
| 17 Sept. | Sunny | 27° /17° | 0.5 mm | 7 | |
| 18 Sept. | Partly cloudy | 27° /18° | 2.4 mm | 7 | |
| 19 Sept. |  Patchy rain possible | 27° /16° | 0.4 mm | 6 | |
| 20 Sept. |  Patchy light rain | 25° /16° | 0.8 mm | 6 | |
| 21 Sept. | Patchy rain possible | 26° /15° | 0 mm | 6 | |
| 22 Sept. | Patchy rain possible | 27° /16° | 2.6 mm | 6 | |
| 23 Sept. | Patchy rain possible | 25° /16° | 3 mm | 6 | |
| 24 Sept. | Patchy rain possible | 25° /16° | 0.3 mm | 6 | |
| 25 Sept. | Sunny | 25° /16° | 0.1 mm | 6 | |
| 26 Sept. | Sunny | 27° /16° | 0 mm | 7 | |
| 27 Sept. | Sunny | 29° /17° | 0 mm | 8 | |
| 28 Sept. | Sunny | 25° /16° | 0 mm | 7 | |
| 29 Sept. | Partly cloudy | 25° /15° | 0 mm | 7 | |
| 30 Sept. | Sunny | 25° /14° | 0 mm | 7 | |
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Olbia in September - FAQ
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
- Footwear
- Waterproof Shoes
- Sandals/Flip-flops: Comfortable for warm climates
- 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
UV exposure in Olbia during September
Quick links
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.