September Weather in Penjamo, Mexico

Last updated: August 27, 2025

In September, the average temperature in Penjamo, Mexico is a warm 27°C (80°F), with highs reaching up to 32°C (90°F) and lows dipping to 22°C (72°F). Expect about 368 mm (14.5 in) of rain spread over 25 days, contributing to an average humidity of 78%. Be prepared for a mix of warmth and moisture as you explore!

September Temperature in Penjamo

In September in Penjamo, the average temperature is 27°C (80°F). Maximums can reach 32°C (90°F) and minimums can be as low as 22°C (72°F). It's the perfect time to explore the outdoors and enjoy the pleasant weather.

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

The chart illustrates September temperature patterns in Penjamo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Penjamo, September typically has an average temperature of 27°C (80°F), with highs reaching up to 32°C (90°F) and lows dropping to around 22°C (72°F).

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

September Precipitation in Penjamo

In Penjamo in September, the total precipitation amount is 368 mm (14.5 in) spread over the course of 25 days.

September Precipitation Trends in Penjamo

The chart displays monthly precipitation patterns in Penjamo, 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 Penjamo, September typically receives around 368 mm (14.5 inches) of precipitation spread over approximately 25 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 Penjamo

In Penjamo in September, humidity is 78%. With an average temperature of 27°C (80°F), this humidity feels like a heavy blanket enveloping you, making travel feel more exhausting and sweat-inducing than usual.

September Average Humidity in Penjamo

This chart illustrates the average monthly humidity levels in Penjamo, 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 Penjamo is approximately 78%, 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 Penjamo

In Penjamo in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Penjamo, you can check here.

Maximum UV Index Levels in Penjamo for September

The chart shows the monthly maximum UV Index (UVI) for Penjamo 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 Penjamo typically reaches 14, which falls under the extreme exposure category.

Data source: Penjamo 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 Penjamo Compares to Other Months

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

This table compares monthly weather conditions in Penjamo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (78°F)	5 mm (0.2 inches)	66%	very high
February Weather	26°C (79°F)	3 mm (0.1 inches)	64%	extreme
March Weather	26°C (80°F)	2 mm (0.1 inches)	63%	extreme
April Weather	27°C (81°F)	1 mm (0.0 inches)	69%	extreme
May Weather	27°C (82°F)	28 mm (1.1 inches)	73%	extreme
June Weather	27°C (80°F)	289 mm (11.4 inches)	76%	extreme
July Weather	27°C (81°F)	172 mm (6.8 inches)	78%	extreme
August Weather	27°C (81°F)	357 mm (14.1 inches)	79%	extreme
September Weather	27°C (80°F)	368 mm (14.5 inches)	78%	extreme
October Weather	27°C (80°F)	280 mm (11.0 inches)	75%	extreme
November Weather	26°C (80°F)	54 mm (2.1 inches)	72%	very high
December Weather	26°C (78°F)	12 mm (0.5 inches)	70%	very high