September Weather in Poiares, Portugal

Last updated: August 27, 2025

In Poiares, Portugal, the average temperature in September hovers around 20°C (68°F), creating a comfortable atmosphere. Expect a minimum of 8°C (46°F) and a maximum of 36°C (96°F), offering a wide range for warmth. During this month, precipitation amounts reach 40 mm (1.6 in) over approximately 5 days, contributing to an average humidity of 71%. Whether you're exploring the outdoors or relaxing indoors, this climate offers a diverse experience.

September Temperature in Poiares

In September in Poiares, the average temperature is 20°C (68°F). The maximum can reach 36°C (96°F), while the minimum can drop to as low as 8°C (46°F). This makes Poiares a great destination for travelers looking for mild weather with warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Poiares, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Poiares, September typically has an average temperature of 20°C (68°F), with highs reaching up to 36°C (96°F) and lows dropping to around 8°C (46°F).

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

September Precipitation in Poiares

In Poiares in September, the precipitation amount is 40 mm (1.6 in) over the course of 5 days.

September Precipitation Trends in Poiares

The chart displays monthly precipitation patterns in Poiares, 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 Poiares, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 5 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Poiares

In Poiares in September, humidity is 71%. With an average temperature of 20°C (68°F), this humidity feels like a warm, moist embrace that can quickly lead to discomfort for travelers. The air clings to your skin, making even short walks feel more strenuous, while reaching for a refreshing drink becomes essential to stay hydrated.

September Average Humidity in Poiares

This chart illustrates the average monthly humidity levels in Poiares, 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 Poiares is approximately 71%, 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 Poiares

In Poiares 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 Poiares.

Maximum UV Index Levels in Poiares for September

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

Data source: Poiares 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 Poiares Compares to Other Months

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

This table compares monthly weather conditions in Poiares, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	8°C (47°F)	68 mm (2.7 inches)	87%	moderate
February Weather	10°C (51°F)	100 mm (3.9 inches)	81%	moderate
March Weather	12°C (53°F)	138 mm (5.4 inches)	78%	high
April Weather	14°C (57°F)	138 mm (5.4 inches)	79%	very high
May Weather	17°C (63°F)	63 mm (2.5 inches)	78%	very high
June Weather	18°C (66°F)	35 mm (1.4 inches)	71%	extreme
July Weather	21°C (70°F)	10 mm (0.4 inches)	63%	very high
August Weather	21°C (71°F)	10 mm (0.4 inches)	64%	very high
September Weather	20°C (68°F)	40 mm (1.6 inches)	71%	very high
October Weather	16°C (62°F)	97 mm (3.8 inches)	79%	high
November Weather	12°C (53°F)	141 mm (5.6 inches)	86%	moderate
December Weather	10°C (50°F)	127 mm (5.0 inches)	87%	low