Weather in Algarve, Portugal in September

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Visiting Algarve, Portugal in September

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

The weather in September is cooler than the previous month and temperatures continue to drop into October. September has average maximum temperatures of 26°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 8.6hrs making the days long and bright.

September has total rainfall of 0.3cm (0.1inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.4 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 moderate 21°C (70°F). September is a pleasant month for swimming in Algarve though some people may prefer warmer water. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop slightly into October.

Also consider visiting Algarve 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 Algarve in September?

Yes, September is a good time for sunbathing in Algarve.

September has average maximum temperatures of 26°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 8.6hrs making the days long and bright. September has total rainfall of 0.3cm (0.1inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.4 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 Algarve in September?

Yes, September is a pleasant month for swimming in Algarve with moderate sea temperatures 21°C (70°F).

More about September sea temperatures.

Is September a good time to holiday in Algarve?

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

September has average maximum temperatures of 26°C (80°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 8.6hrs making the days long and bright. September has total rainfall of 0.3cm (0.1inches) making it extremely dry with very few light showers and most days are rain free. There are just 3.4 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 moderate 21°C (70°F). September is a pleasant month for swimming in Algarve though some people may prefer warmer water.

More about the September temperatures and sunshine.

Is Algarve warm in September?

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

The average maximum temperature in Algarve in September is 26°C (80°F). The average maximum temperature is 29°C (85°) in the previous month and 24°C (75°F) in the next month.

The average temperature in Algarve in September is 22°C (72°F). The average temperature is 25°C (76°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 Algarve in September?

The average day light hours per day in Algarve in September are 12.4. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 8.6hrs making the days long and bright.

More about September sunshine.

Temperature in Algarve in September

The weather in September is cooler than the previous month and temperatures continue to drop into October. The average maximum temperature in Algarve in September is 26°C (80°F). The average maximum temperature is 29°C (85°F) in the previous month and 24°C (75°F) in the next month.

The average temperature in Algarve in September is 22°C (72°F). The average temperature is 25°C (76°F) in the previous month and 20°C (68°F) in the next month.

The average minimum temperature in Algarve in September is 19°C (66°F). The minimum temperature is 20°C (68°F) in the previous month and 16°C (61°F) in the next month.

Sunshine in Algarve in September

The days in September are shorter than the previous month and days continue to get shorter into October. September shows a significant drop in hours of sunshine than the previous month and hours of sunshine continue to drop quickly into October. During September the average day light hours are 12.4 per day in Algarve. The sunshine percentage is 69% making it sunny but overcast at times. The hours of sunshine per day are 8.6hrs making the days long and bright.

The ultraviolet index in Algarve in September is typically 7.5 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 Algarve in September

The average sea water temperature in Algarve in September is 20.9°C (69.6°F) which is comfortable for swimming though some may prefer warmer water. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop slightly into October.

Rainfall in Algarve in September

September weather is marginally wetter than the previous month and rainfall continues to rise slightly into October. September has a few more days of rain than the previous month and rainy days continue to rise into October. The average total rainfall in Algarve in September is 0.3cm (0.1inches) and on average there are 3.4 rainy days in September making it a very dry time to visit the beach.

Humidity in Algarve in September

The maximum dew point (an indicator of humidity) in Algarve in September is 19°C (67°F) which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 20°C (67°F) in the previous month and 18°C (18°F) in the next month.

The average maximum relative humidity in Algarve in September is typically 88.6%. The maximum relative humidity is 83.1% in the previous month and 91.9% in the next month.

The average relative humidity in Algarve in September is typically 70.4%. The average relative humidity is 61.8% in the previous month and 75.1% in the next month.

Wind Speed in Algarve in September

The average maximum wind speed in Algarve in September is typically 24KM/H (15MPH). The average maximum wind speed is 25KM/H (16MPH) in the previous month and 25KM/H (16MPH) in the next month.

The average wind speed in Algarve in September is typically 12KM/H (7MPH). The average wind speed is 12KM/H (7MPH) in the previous month and 12KM/H (8MPH) in the next month.

The average wind direction in Algarve in September is from the West.

Monthly Averages

Suggested Beaches in September

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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.