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September Weather in Entroncamento, Portugal

Last updated: August 27, 2025

In Entroncamento, Portugal, the average temperature in September hovers around 21°C (70°F). Expect a minimum dip to 8°C (48°F) and a peak that can soar up to 37°C (99°F). With an average humidity of 67%, you'll find the air pleasantly warm. Rainfall is modest, with about 32 mm (1.3 in) expected over just 3 days. Embrace the warmth and light showers of this vibrant month!

September Temperature in Entroncamento

In September in Entroncamento, the average temperature is 21°C (70°F). Maximums can reach 37°C (99°F), and minimums can be as low as 8°C (48°F). Be prepared for warm days and cooler evenings, making it ideal for both outdoor adventures and cozy nights.

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

The chart illustrates September temperature patterns in Entroncamento, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Entroncamento, September typically has an average temperature of 21°C (70°F), with highs reaching up to 37°C (99°F) and lows dropping to around 8°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec485355586567717270645552
Data source: Temperature data for Entroncamento 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 Entroncamento

In Entroncamento in September, the total precipitation amount is 32 mm (1.3 in) over a span of 3 days.

September Precipitation Trends in Entroncamento

The chart displays monthly precipitation patterns in Entroncamento, 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 Entroncamento, September typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec4259949650205732669565
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Entroncamento

In Entroncamento in September humidity is 67%. With an average temperature of 21°C (70°F), this humidity feels like a warm embrace, making travel a bit stifling but still enjoyable if you're prepared with light clothing and plenty of water.

September Average Humidity in Entroncamento

This chart illustrates the average monthly humidity levels in Entroncamento, 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 Entroncamento is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%75%72%70%70%63%60%60%68%74%83%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Entroncamento

In Entroncamento in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Entroncamento.

Maximum UV Index Levels in Entroncamento for September

The chart shows the monthly maximum UV Index (UVI) for Entroncamento 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 Entroncamento typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346810111098643
Data source: Entroncamento 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 Entroncamento Compares to Other Months

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

This table compares monthly weather conditions in Entroncamento, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)42 mm (1.7 inches)85%moderate
February Weather12°C (53°F)59 mm (2.3 inches)75%moderate
March Weather13°C (55°F)94 mm (3.7 inches)72%high
April Weather15°C (58°F)96 mm (3.8 inches)70%very high
May Weather18°C (65°F)50 mm (2.0 inches)70%very high
June Weather20°C (68°F)20 mm (0.8 inches)63%extreme
July Weather22°C (72°F)5 mm (0.2 inches)60%very high
August Weather22°C (72°F)7 mm (0.3 inches)60%very high
September Weather21°C (70°F)32 mm (1.3 inches)67%very high
October Weather18°C (64°F)66 mm (2.6 inches)74%high
November Weather13°C (55°F)95 mm (3.7 inches)83%moderate
December Weather11°C (52°F)65 mm (2.6 inches)85%moderate

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