Italy
Sardinia in September: weather, sea & travel advice
This month's data profile
Sea conditions lead
Sardinia in September is climatically well suited to family holidays, beach holidays, city breaks and active holidays and hiking. The average daily high is around 25 °C, and the sea is about 24 °C. With about 6 rainy days it is moderate.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
91/100 · #2
Warmth
#3
Dryness
#5
Sun
#6
Sea warmth
#2
Published best categories: Overall, Beach, City break, Family
Sardinia · SeptemberPhoto: Tommie Hansen from Stockholm, Sweden · CC BY 2.0Climate facts
- Average high
- 25 °C
- Average low
- 22 °C
- Sea
- 24 °C
- Rainy days (est.)
- 6 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 74 %
For your trip planning
September: as highly rated as August, but wetter
In Sardinia, September scores 91 in our climate rating, just like August, and appears among our best months overall, for beach and for city trips. It is less hot, with average highs of 25 °C instead of 28 °C, but precipitation rises from 11 mm to 42 mm, and October brings 69 mm. Keep an indoor alternative for wetter days.
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| August | 28 | 24 | 3 | 11 | 8.2 | 70 | 3.5 | 26 | 91 |
| September (selected) | 25 | 22 | 6 | 42 | 6.1 | 74 | 4.1 | 24 | 91 |
| October | 22 | 19 | 8 | 69 | 4.4 | 77 | 4.3 | 22 | 80 |
How do the previous and next months compare?
Baseline: September (91/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| August | ±0 | +2.7 °C | +2.2 °C | -3.9 | -30.9 mm | +2.1 h | -3.2 % | -0.6 m/s | +1.3 °C |
| October | -11 | -3.1 °C | -2.7 °C | +2 | +26.5 mm | -1.7 h | +3.9 % | +0.3 m/s | -2.5 °C |
All twelve months in context
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Where to stay in Sardinia
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Useful next decisions
Frequently asked questions
How warm is Sardinia in September?
The average daily high is around 25 °C, with an average daily low of about 22 °C.
Can you swim in Sardinia in September?
The sea is about 24 °C (warm).
Does it rain a lot in Sardinia in September?
The curated estimate is about 6 rainy days per month, not a directly measured long-term average. Total precipitation averages around 42 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Sardinia?
By the climate score, June, July, August and September are the strongest months for Sardinia. For a beach trip: June, July, August and September. September is one of them.