September Weather in Monte Redondo, Portugal

Last updated: August 27, 2025

In Monte Redondo, Portugal, the average temperature in September hovers around 19°C (67°F), with minima dipping to 10°C (51°F) and peaks reaching up to 33°C (91°F). During this month, you can expect a total precipitation of 32 mm (1.3 in) spread over approximately 3 days, contributing to an average humidity level of 67%. Enjoy the mild and dynamic weather!

September Temperature in Monte Redondo

In September in Monte Redondo, the average temperature is 19°C (67°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop to as low as 10°C (51°F). Be prepared for a range of temperatures, making it a great time for both outdoor activities and cozy indoor exploration.

September Weather in Monte Redondo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Monte Redondo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Monte Redondo, September typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (91°F) and lows dropping to around 10°C (51°F).

Data source: Temperature data for Monte Redondo generated using information from the Copernicus Climate Change Service.

September Precipitation in Monte Redondo

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

September Precipitation Trends in Monte Redondo

The chart displays monthly precipitation patterns in Monte Redondo, 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 Monte Redondo, September typically receives around 32 mm (1.3 inches) of precipitation spread over approximately 3 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Monte Redondo

In Monte Redondo in September, humidity is 67%. With an average temperature of 19°C (67°F), this humidity feels like walking through a warm, soft blanket, making sightseeing and outdoor activities a bit more challenging but still enjoyable for those prepared with light clothing and plenty of hydration.

September Average Humidity in Monte Redondo

This chart illustrates the average monthly humidity levels in Monte Redondo, 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 Monte Redondo is approximately 67%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Monte Redondo

In Monte Redondo 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 Monte Redondo.

Maximum UV Index Levels in Monte Redondo for September

The chart shows the monthly maximum UV Index (UVI) for Monte Redondo 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 Monte Redondo typically reaches 8, which falls under the very high exposure category.

Data source: Monte Redondo 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 Monte Redondo Compares to Other Months

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

This table compares monthly weather conditions in Monte Redondo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	61 mm (2.4 inches)	85%	moderate
February Weather	12°C (54°F)	80 mm (3.2 inches)	75%	moderate
March Weather	13°C (55°F)	106 mm (4.2 inches)	72%	high
April Weather	14°C (58°F)	110 mm (4.3 inches)	70%	very high
May Weather	17°C (63°F)	58 mm (2.3 inches)	70%	very high
June Weather	18°C (65°F)	29 mm (1.1 inches)	63%	extreme
July Weather	20°C (68°F)	9 mm (0.3 inches)	60%	very high
August Weather	20°C (68°F)	8 mm (0.3 inches)	60%	very high
September Weather	19°C (67°F)	32 mm (1.3 inches)	67%	very high
October Weather	17°C (63°F)	92 mm (3.6 inches)	74%	high
November Weather	13°C (56°F)	119 mm (4.7 inches)	83%	moderate
December Weather	12°C (54°F)	105 mm (4.1 inches)	85%	moderate