Cagliari, Sardinia, Italy
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Cagliari

September beach and weather guide

Based on 5 years of historical ERA5 climate data

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September beach conditions — historical average

Excellent
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28.2°C Temp
25.3°C Sea temp
2.2 Rain days
10.8h Sunshine hrs
66.9% Humidity
100%

Reliable conditions

5 of 5 years were good

Year by year — mid September

2024 Good 25.5°C · 4 rainy days · 10.7h sun
2023 Excellent 30.0°C · 0 rainy days · 10.3h sun
2022 Excellent 29.5°C · 0 rainy days · 11.5h sun
2021 Excellent 28.1°C · 3 rainy days · 10.5h sun
2020 Excellent 28.1°C · 4 rainy days · 11.0h sun

Other months in Cagliari

May June July August September October

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Each trip type is scored on what matters most for it — snow days for skiing, sea temp for beach, sunshine for sightseeing.

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About Cagliari in September

Based on 5 years of ERA5 historical climate data, September in Cagliari has historically been excellent for a beach holiday. Average temperatures of 28.2°C with sea temperatures around 25.3°C and 2.2 rainy days on average.

5 of the last 5 years had good beach conditions during this period. This data uses ERA5 reanalysis records — real historical measurements, not generalised averages.

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