September Weather in Marmelete, Portugal

Last updated: August 27, 2025

In September, the average temperature in Marmelete, Portugal is a pleasant 21°C (71°F). You can expect a minimum of 12°C (55°F) and a maximum of 32°C (91°F), providing a comfortable range for outdoor activities. Additionally, anticipate about 7 mm (0.3 in) of precipitation spread over just 1 day, with an average humidity of 71%. Enjoy the mild weather!

September Temperature in Marmelete

In September, in Marmelete, the average temperature is 21°C (71°F). Maximum temperatures can reach up to 32°C (91°F), while minimums can drop as low as 12°C (55°F). This pleasant climate makes Marmelete an ideal destination for travelers seeking comfortable weather during their visit.

September Weather in Marmelete: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Marmelete, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marmelete, September typically has an average temperature of 21°C (71°F), with highs reaching up to 32°C (91°F) and lows dropping to around 12°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec525557596567707170665955
Data source: Temperature data for Marmelete generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Marmelete

In Marmelete in September, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

September Precipitation Trends in Marmelete

The chart displays monthly precipitation patterns in Marmelete, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Marmelete, September typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec27457558208317325249
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Marmelete

In Marmelete in September humidity is 71%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace, making it important for travelers to stay hydrated and seek shade during the hottest parts of the day.

September Average Humidity in Marmelete

This chart illustrates the average monthly humidity levels in Marmelete, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Marmelete is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%74%71%69%69%67%69%68%71%75%78%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Marmelete

In Marmelete in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Marmelete.

Maximum UV Index Levels in Marmelete for September

The chart shows the monthly maximum UV Index (UVI) for Marmelete in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Marmelete typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101110109743
Data source: Marmelete September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Marmelete Compares to Other Months

Weather in Marmelete varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Marmelete, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Marmelete, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (53°F)27 mm (1.1 inches)80%moderate
February Weather13°C (56°F)45 mm (1.8 inches)73%moderate
March Weather14°C (57°F)75 mm (2.9 inches)71%high
April Weather15°C (60°F)58 mm (2.3 inches)69%very high
May Weather18°C (65°F)20 mm (0.8 inches)69%very high
June Weather20°C (67°F)8 mm (0.3 inches)67%extreme
July Weather21°C (70°F)3 mm (0.1 inches)69%very high
August Weather22°C (72°F)1 mm (0.0 inches)68%very high
September Weather21°C (71°F)7 mm (0.3 inches)71%very high
October Weather19°C (66°F)32 mm (1.3 inches)75%high
November Weather15°C (59°F)52 mm (2.1 inches)78%moderate
December Weather13°C (56°F)49 mm (1.9 inches)81%moderate

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