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October Weather in Seixal, Portugal

Last updated: August 27, 2025

In Seixal, Portugal, the average temperature in October hovers around 20°C (67°F), offering a pleasant climate. Expect minimums of 14°C (58°F) and maximums reaching 28°C (82°F). With an average humidity of 80%, you'll find the air quite tropical. However, be prepared for some rain, as 57 mm (2.3 in) of precipitation is expected over 10 days during the month.

October Temperature in Seixal

In October, in Seixal, the average temperature is 20°C (67°F), with maximums reaching 28°C (82°F) and minimums dropping to 14°C (58°F). This mild weather makes it an ideal time for outdoor activities and sightseeing.

October Weather in Seixal: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Seixal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seixal, October typically has an average temperature of 20°C (67°F), with highs reaching up to 28°C (82°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec585858596265687169676360
Data source: Temperature data for Seixal 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.

October Precipitation in Seixal

In Seixal in October, the precipitation amount is 57 mm (2.3 in) over the course of 10 days.

October Precipitation Trends in Seixal

The chart displays monthly precipitation patterns in Seixal, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Seixal, October typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec3860525623368818576758
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Seixal

In Seixal in October, humidity is 80%. With an average temperature of 20°C (67°F), this humidity feels like a warm embrace that can make outdoor activities feel sticky and heavy, potentially draining your energy as you explore.

October Average Humidity in Seixal

This chart illustrates the average monthly humidity levels in Seixal, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Seixal is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%75%78%78%77%80%83%83%81%80%75%75%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Seixal

In Seixal in October, 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 Seixal.

Maximum UV Index Levels in Seixal for October

The chart shows the monthly maximum UV Index (UVI) for Seixal in October, 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 October, the maximum UV index in Seixal typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101112111110864
Data source: Seixal October 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 October Weather in Seixal Compares to Other Months

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

This table compares monthly weather conditions in Seixal, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather15°C (59°F)38 mm (1.5 inches)75%moderate
February Weather14°C (58°F)60 mm (2.4 inches)75%high
March Weather14°C (58°F)52 mm (2.1 inches)78%very high
April Weather15°C (60°F)56 mm (2.2 inches)78%very high
May Weather17°C (62°F)23 mm (0.9 inches)77%extreme
June Weather18°C (65°F)36 mm (1.4 inches)80%extreme
July Weather20°C (68°F)7 mm (0.3 inches)83%extreme
August Weather21°C (71°F)8 mm (0.3 inches)83%extreme
September Weather21°C (70°F)18 mm (0.7 inches)81%very high
October Weather20°C (67°F)57 mm (2.3 inches)80%very high
November Weather17°C (63°F)67 mm (2.6 inches)75%high
December Weather16°C (61°F)58 mm (2.3 inches)75%moderate

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