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September Weather in Rio de Loba, Portugal

Last updated: August 27, 2025

In September, the average temperature in Rio de Loba, Portugal is a comfortable 19°C (66°F). However, be prepared for temperature fluctuations, as it can drop to a chilly 6°C (43°F) or rise to a warm 32°C (91°F). With an average precipitation of 47 mm (1.8 in) over 6 days, you might want to keep an umbrella handy. The climate is also fairly humid, with an average humidity level of 71%.

September Temperature in Rio de Loba

In September in Rio de Loba, the average temperature is 19°C (66°F). The maximum can reach 32°C (91°F), and the minimum can be as low as 6°C (43°F). This makes Rio de Loba a great destination for travelers seeking mild weather with a pleasant mix of warm and cool days.

September Weather in Rio de Loba: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rio de Loba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rio de Loba, September typically has an average temperature of 19°C (66°F), with highs reaching up to 32°C (91°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec444850546064696966595047
Data source: Temperature data for Rio de Loba 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 Rio de Loba

In Rio de Loba in September, the total precipitation amount is 47 mm (1.8 in) spread over the course of 6 days.

September Precipitation Trends in Rio de Loba

The chart displays monthly precipitation patterns in Rio de Loba, 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 Rio de Loba, September typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec851341521456849191947108149174
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rio de Loba

In Rio de Loba in September humidity is 71%. With an average temperature of 19°C (66°F), this humidity feels like a warm, balmy embrace that enhances the tropical atmosphere, making it a perfect backdrop for leisurely strolls and outdoor adventures, though it may also lead to a slightly sticky feeling as you explore.

September Average Humidity in Rio de Loba

This chart illustrates the average monthly humidity levels in Rio de Loba, 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 Rio de Loba is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%81%78%79%78%71%63%64%71%79%86%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rio de Loba

In Rio de Loba 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 Rio de Loba.

Maximum UV Index Levels in Rio de Loba for September

The chart shows the monthly maximum UV Index (UVI) for Rio de Loba 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 Rio de Loba typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346910111098642
Data source: Rio de Loba 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 Rio de Loba Compares to Other Months

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

This table compares monthly weather conditions in Rio de Loba, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)85 mm (3.3 inches)87%moderate
February Weather9°C (48°F)134 mm (5.3 inches)81%moderate
March Weather10°C (50°F)152 mm (6.0 inches)78%high
April Weather12°C (54°F)145 mm (5.7 inches)79%very high
May Weather16°C (60°F)68 mm (2.7 inches)78%very high
June Weather18°C (64°F)49 mm (1.9 inches)71%extreme
July Weather20°C (69°F)19 mm (0.7 inches)63%very high
August Weather21°C (69°F)19 mm (0.8 inches)64%very high
September Weather19°C (66°F)47 mm (1.8 inches)71%very high
October Weather15°C (59°F)108 mm (4.3 inches)79%high
November Weather10°C (50°F)149 mm (5.9 inches)86%moderate
December Weather8°C (47°F)174 mm (6.8 inches)87%low

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