The weather in September in Portugal

It's warm in September in Portugal with an average temperature of 26°C. Temperatures this month range from a low of 25°C to a high of 27°C. At night, you can expect temperatures between 18°C and 21°C.

Looking for great weather? September is a good time to be in Portugal. The temperatures are nice, and there’s little chance of rain this month.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Portugal. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 34°C in 2016, Portugal reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 21°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 13°C to a highest value of 26°C.

Rainfall amount

According to weather history, there is only 7 mm of precipitation in September. The wind speed is around 4 Bft, mostly coming from the Southwest.

Daily weather in September for Portugal

Click on any day in September to get detailed info about the usual weather on that day in Portugal. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Portugal New York
Average temperature 26°C 27°C
Max. temperature 27°C 31°C
Min. temperature 18°C -5°C
Total precipitation 7 mm 57 mm
Rainy days 2 days 9 days

Start of September

The month of September starts in Portugal with hot temps, averaging around 27°C during the day and nights around 21°C.

Mid September

By mid-September, daytime temps drop to around 26°C, with nights around 20°C. Not much precipitation expected during this period. It’s mostly dry and sunny.

End of September

By the end of September, the average daytime temperature in Portugal is around 26°C, while nighttime temps are about 19°C. No precipitation expected at the end of the month; it’ll be mostly sunny.

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UV index

The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Check out the climate of Portugal for all months and discover the best travel time

The climate in Portugal is based on weather data from Algarve. Other places, like Lisbon, Albufeira or Madeira, might have different weather. You can check out all destinations in Portugal to get the full picture of the climate.

Temperature charts

These charts show the average temperatures in September in Portugal. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Portugal

Temperature in September in Portugal over the years

Precipitation charts

These charts show the average amount of precipitation in September in Portugal. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Portugal

Total precipitation in September in Portugal over the years

Daily UV index in September in Portugal

This chart shows the average daily UV index in September in Portugal, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Weather experiences in September in Portugal

The weather in September in Portugal is rated 4 out of 5 stars by 1 visitor. Have you been to Portugal? Share your weather experience to help other visitors.

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Weather experience:Good StarStarStarStar

Not too hot, but still sunny days with pleasant temperatures around 25 degrees. Sometimes it rained a little, but that couldn't spoil the fun.— This text is automatically translated to English

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Average weather in Portugal by month

Click on a month below to see detailed weather info for Portugal. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.