Sardinia in september: average Weather, Temperature and Climate, Where to go?
Weather in Sardinia in september 2025
Below, check out the weather forecast for september for most popular cities in Sardinia. These forecasts are probabilities for september from weather reports for many years. The percentage indicates the possibility of having the weather mentioned.
Average weather in september in Cagliari
perfect weather UV index: 7
Weather at 6am
72°F
Clear/Sunny
67% of time
18%
10%
4%
Weather at 12pm
81°F
Clear/Sunny
68% of time
17%
13%
3%
Weather at 6pm
76°F
Clear/Sunny
62% of time
21%
12%
6%
Weather at 3am
70°F
67%
19%
12%
2%
Where to go in Sardinia in september?
Where to go in Sardinia in september: destination map
perfect weather
good
tolerable
bad
very bad
Where should you go in Sardinia in september when it comes to the weather?
Remember:
The climate in Sardinia in september is perfect across the board.
Despite a slight increase in precipitation, the weather conditions throughout September remain ideal. The temperatures are high enough to promote a feeling of well-being from morning to evening. Moreover, the rainy episodes remain so short that the beautiful sun continues to characterize most days.
Beginning of September in Sardinia
The already pleasant morning temperatures rise considerably over the hours, so that the heat becomes very marked in the middle of the day. Even if the weather in Sardinia throughout September is very attractive - with the strong heat often accompanied by stormy formations, caution is recommended to those who go out early in the evening.
Middle of September in Sardinia
Temperatures decline during the second ten days of September. However, the heat remains comfortable both during the day and during the night. As the rains have almost disappeared from the climatic landscape of Sardinia, the beautiful sun reigns supreme on the wondrous days, one after the other.
End of September in Sardinia
An upturn in precipitation and a rather noticeable rise in temperature makes the climate throughout September in Sardinia one of the best assets for vacationers who come to enjoy the sun, the sea and the pleasant heat.
Climate in Sardinia in september
Climate in Cagliari in september
In the month of september, maximum temperature is 81°F and minimum temperature is 72°F (for an average temperature of 77°F). The climate quite pleasant there in september. With about 2.3in over 3 days, the rain will not be a problem during your trip.
With a perfect climate, september is an advisable month to go in Cagliari.
| September | |||
| Average temperature | 77°F | ||
| Highest temperature | 81°F | ||
| Lowest temperature | 72°F | ||
| Sea temperature | 76°F | ||
| Rainfall | 2.3in | ||
| Number of days with rainfall | 3 day(s) (11%) | ||
| Humidity | 76% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 16% | ||
| Length of day | 12:27 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Alghero in september
In the month of september, the mean temperature in Alghero is 76°F (maximum temperature is 79°F and minimum temperature is 70°F). The climate quite good here in september. With just 2.6in over 4 days, rainfall is infrequent during your journey.
With a perfect weather, september is an advisable month to go in this city.
| September | |||
| Average temperature | 76°F | ||
| Highest temperature | 79°F | ||
| Lowest temperature | 70°F | ||
| Sea temperature | 75°F | ||
| Rainfall | 2.6in | ||
| Number of days with rainfall | 4 day(s) (14%) | ||
| Humidity | 75% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 18% | ||
| Length of day | 12:28 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Olbia in september
In september, the mean temperature in Olbia is 76°F (maximum temperature is 81°F and minimum temperature is 70°F). The climate quite enjoyable here in september. With 2.6in over 4 days, you will experience some showers for your stay. But this is pretty reasonably and it will not be continuous.
With ideal weather conditions, september is a recommended month to go in Olbia.
| September | |||
| Average temperature | 76°F | ||
| Highest temperature | 81°F | ||
| Lowest temperature | 70°F | ||
| Sea temperature | 75°F | ||
| Rainfall | 2.6in | ||
| Number of days with rainfall | 4 day(s) (13%) | ||
| Humidity | 76% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 18% | ||
| Length of day | 12:28 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Castelsardo in september
In the month of september, the mean temperature in Castelsardo is 74°F (maximum temperature is 77°F and minimum temperature is 70°F). The climate is quite comfortable in that area in september. With about 2.3in over 3 days, the rain will not be a problem for your vacations.
With a good climate, the month of september is a good time to go in this city.
| September | |||
| Average temperature | 74°F | ||
| Highest temperature | 77°F | ||
| Lowest temperature | 70°F | ||
| Sea temperature | 75°F | ||
| Rainfall | 2.3in | ||
| Number of days with rainfall | 3 day(s) (11%) | ||
| Humidity | 76% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 18% | ||
| Length of day | 12:28 | ||
| Our opinion at whereandwhen.net | perfect |
Climate in Cala Luna in september
In the month of september, the mean temperature in Cala Luna is 74°F (maximum temperature is 81°F and minimum temperature is 67°F). The climate is quite comfortable here in this month. With 2.7in over 3 days, rain may occur for your trip. But this is moderate and it will not be continuous.
With good weather conditions, the month of september is a good time to go there.
| September | |||
| Average temperature | 74°F | ||
| Highest temperature | 81°F | ||
| Lowest temperature | 67°F | ||
| Sea temperature | 75°F | ||
| Rainfall | 2.7in | ||
| Number of days with rainfall | 3 day(s) (11%) | ||
| Humidity | 80% | ||
| Daily sunshine hours | 12 | ||
| Cloud cover | 20% | ||
| Length of day | 12:28 | ||
| Our opinion at whereandwhen.net | perfect |
All cities in Sardinia in september
| Cagliari in september | perfect weather |
| Alghero in september | perfect weather |
| Olbia in september | perfect weather |
| Castelsardo in september | perfect weather |
| Cala Luna in september | perfect weather |
| Capo San Marco in september | perfect weather |
| Sulcis in september | perfect weather |
| Ingurtosu in september | perfect weather |
| Isola Tavolara in september | perfect weather |
| La Maddalena in september | perfect weather |
| Porto Cervo in september | perfect weather |
| San Teodoro in september | perfect weather |
| Sorgono in september | good weather |
| Stintino in september | perfect weather |
| Su Nuraxi (Barumini) in september | perfect weather |
| Arbatax in september | good weather |
| Arzachena in september | perfect weather |
| Bosa in september | perfect weather |
| Carbonia in september | perfect weather |
| Carloforte in september | perfect weather |
| Dorgali - Cala Gonone in september | perfect weather |
| Macomer in september | perfect weather |
| Muravera in september | perfect weather |
| Nuoro in september | perfect weather |
| Oristano in september | perfect weather |
| Orosei in september | perfect weather |
| Ozieri in september | perfect weather |
| Palau in september | perfect weather |
| Porto Torres in september | perfect weather |
| Pula in september | perfect weather |
| Santa Teresa Gallura in september | perfect weather |
| Sassari in september | perfect weather |
| Tempio Pausania in september | perfect weather |
| Villacidro in september | perfect weather |
| Villasimius in september | perfect weather |
Weather data for Sardinia in september:
Weather data for Sardinia in september is derived from an average of the weather forecast since 2009 in Sardinia. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sardinia can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Sardinia.