September Weather in Penasco, United States

Last updated: June 24, 2025

In Penasco, United States, the average temperature in September hovers around 16°C (61°F), creating a comfortable atmosphere to explore. Temperatures can range from a crisp 1°C (35°F) to a warm 31°C (88°F), ensuring a dynamic climate. Expect some liquid sunshine with an average precipitation of 27 mm (1.1 in) spread over about 4 days, while humidity levels settle around 70%.

September Temperature in Penasco

In September in Penasco, the average temperature is 16°C (61°F). Maximum temperatures can reach 31°C (88°F), while the minimum can drop to as low as 1°C (35°F). This wide range of temperatures makes it essential to pack layers for your travels.

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

The chart illustrates September temperature patterns in Penasco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penasco, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (35°F).

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

September Precipitation in Penasco

In Penasco in September, the total precipitation amount is 27 mm (1.1 in) over a span of 4 days.

September Precipitation Trends in Penasco

The chart displays monthly precipitation patterns in Penasco, 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 Penasco, September typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 4 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 Penasco

In Penasco in September humidity is 70%. With an average temperature of 16°C (61°F), this humidity feels like a warm, damp blanket wrapping around you, making travel somewhat uncomfortable as you navigate the sticky air while trying to enjoy your surroundings.

September Average Humidity in Penasco

This chart illustrates the average monthly humidity levels in Penasco, 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 Penasco is approximately 70%, 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 Penasco

In Penasco in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Penasco.

Maximum UV Index Levels in Penasco for September

The chart shows the monthly maximum UV Index (UVI) for Penasco 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 Penasco typically reaches 11, which falls under the extreme exposure category.

Data source: Penasco 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 Penasco Compares to Other Months

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

This table compares monthly weather conditions in Penasco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	30 mm (1.2 inches)	84%	moderate
February Weather	-3°C (27°F)	28 mm (1.1 inches)	84%	high
March Weather	3°C (37°F)	36 mm (1.4 inches)	74%	very high
April Weather	8°C (47°F)	24 mm (1.0 inches)	68%	extreme
May Weather	13°C (56°F)	33 mm (1.3 inches)	62%	extreme
June Weather	19°C (66°F)	22 mm (0.9 inches)	55%	extreme
July Weather	20°C (68°F)	54 mm (2.1 inches)	54%	extreme
August Weather	19°C (67°F)	33 mm (1.3 inches)	61%	extreme
September Weather	16°C (61°F)	27 mm (1.1 inches)	70%	extreme
October Weather	9°C (49°F)	30 mm (1.2 inches)	78%	very high
November Weather	3°C (38°F)	25 mm (1.0 inches)	81%	high
December Weather	-2°C (28°F)	25 mm (1.0 inches)	85%	moderate