Weather in Santorini, Greece in September

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Visiting Santorini, Greece in September

September is one of the best months to visit Santorini for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

September has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 86% making it extremely sunny and pleasant most of the time, with blue skies and rarely a cloud in sight. The hours of sunshine per day are 10.7hrs making the days very long and bright. September has total rainfall of 1.1cm (0.4inches) making it extremely dry with very few light showers and most days are rain free. There are just 2.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between. Sea temperatures are a warm 24°C (75°F). September is a good month for swimming in Santorini with comfortable temperatures for most people.

Also consider visiting Santorini in one of the other best months of June, July, August, for the best beach weather.

Also consider one of our other suggestions for September.

Can you sunbathe in Santorini in September?

Yes, September is a perfect time for sunbathing in Santorini.

September has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 86% making it extremely sunny and pleasant most of the time, with blue skies and rarely a cloud in sight. The hours of sunshine per day are 10.7hrs making the days very long and bright. September has total rainfall of 1.1cm (0.4inches) making it extremely dry with very few light showers and most days are rain free. There are just 2.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

More about September temperature and sunshine.

Can you swim in Santorini in September?

Yes, September is a good month for swimming in Santorini with warm sea temperatures 24°C (75°F).

More about September sea temperatures.

Is September a good time to holiday in Santorini?

Yes, September is a great time for a holiday in Santorini.

September has average maximum temperatures of 27°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 86% making it extremely sunny and pleasant most of the time, with blue skies and rarely a cloud in sight. The hours of sunshine per day are 10.7hrs making the days very long and bright. September has total rainfall of 1.1cm (0.4inches) making it extremely dry with very few light showers and most days are rain free. There are just 2.6 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between. Sea temperatures are a warm 24°C (75°F). September is a good month for swimming in Santorini with comfortable temperatures for most people.

More about the September temperatures and sunshine.

Is Santorini warm in September?

Yes, Santorini is very warm and perfect for sunbathing on clear days in September.

The average maximum temperature in Santorini in September is 27°C (80°F). The average maximum temperature is 30°C (86°) in the previous month and 23°C (73°F) in the next month.

The average temperature in Santorini in September is 24°C (74°F). The average temperature is 27°C (80°F) in the previous month and 20°C (68°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Santorini in September?

The average day light hours per day in Santorini in September are 12.4. The sunshine percentage is 86% making it extremely sunny and pleasant most of the time, with blue skies and rarely a cloud in sight. The hours of sunshine per day are 10.7hrs making the days very long and bright.

More about September sunshine.

Temperature in Santorini in September

The average maximum temperature in Santorini in September is 27°C (80°F). The average maximum temperature is 30°C (86°F) in the previous month and 23°C (73°F) in the next month.

The average temperature in Santorini in September is 24°C (74°F). The average temperature is 27°C (80°F) in the previous month and 20°C (68°F) in the next month.

The average minimum temperature in Santorini in September is 21°C (70°F). The minimum temperature is 24°C (75°F) in the previous month and 18°C (64°F) in the next month.

Sunshine in Santorini in September

During September the average day light hours are 12.4 per day in Santorini. The sunshine percentage is 86% making it extremely sunny and pleasant most of the time, with blue skies and rarely a cloud in sight. The hours of sunshine per day are 10.7hrs making the days very long and bright.

The ultraviolet index in Santorini in September is typically 7.6 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Santorini in September

The average sea water temperature in Santorini in September is 23.7°C (74.7°F) which is warm and pleasant for relaxing and swimming for long periods.

Rainfall in Santorini in September

The average total rainfall in Santorini in September is 1.1cm (0.4inches) and on average there are 2.6 rainy days in September making it a very dry time to visit the beach.

Humidity in Santorini in September

The maximum dew point (an indicator of humidity) in Santorini in September is 19°C (65°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 20°C (69°F) in the previous month and 16°C (16°F) in the next month.

The average maximum relative humidity in Santorini in September is typically 79.8%. The maximum relative humidity is 75.9% in the previous month and 82.8% in the next month.

The average relative humidity in Santorini in September is typically 64.7%. The average relative humidity is 59.9% in the previous month and 69.2% in the next month.

Wind Speed in Santorini in September

The average maximum wind speed in Santorini in September is typically 29KM/H (18MPH). The average maximum wind speed is 32KM/H (20MPH) in the previous month and 28KM/H (18MPH) in the next month.

The average wind speed in Santorini in September is typically 18KM/H (11MPH). The average wind speed is 20KM/H (12MPH) in the previous month and 18KM/H (11MPH) in the next month.

The average wind direction in Santorini in September is from the North West.

Monthly Averages

Suggested Beaches in September

Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.