September Weather in Callejones, Mexico

Last updated: August 27, 2025

In Callejones, Mexico, the average temperature for September is a comfortable 20°C (68°F), with minimums dipping to 14°C (58°F) and maximums climbing to 30°C (85°F). However, be prepared for a fair share of rain, with 278 mm (10.9 in) of precipitation expected across 26 days. Additionally, the average humidity levels can reach a humid 83%, making it essential to stay hydrated during your time here!

September Temperature in Callejones

In September in Callejones, the average temperature is 20°C (68°F), with maximums reaching 30°C (85°F) and minimums dropping as low as 14°C (58°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy the outdoor attractions of Callejones.

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

The chart illustrates September temperature patterns in Callejones, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Callejones, September typically has an average temperature of 20°C (68°F), with highs reaching up to 30°C (85°F) and lows dropping to around 14°C (58°F).

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

September Precipitation in Callejones

In Callejones in September, the total precipitation amount is 278 mm (10.9 in) over a period of 26 days.

September Precipitation Trends in Callejones

The chart displays monthly precipitation patterns in Callejones, 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 Callejones, September typically receives around 278 mm (10.9 inches) of precipitation spread over approximately 26 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 Callejones

In Callejones in September humidity is 83%. With an average temperature of 20°C (68°F), this humidity feels like a warm, heavy blanket enveloping you, making it feel much warmer than it is. Traveling in such conditions can be quite taxing, as the air feels thick, often leading to a sense of exhaustion and requiring frequent breaks to seek shade or hydration.

September Average Humidity in Callejones

This chart illustrates the average monthly humidity levels in Callejones, 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 Callejones is approximately 83%, 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 Callejones

In Callejones 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 Callejones, you can check here.

Maximum UV Index Levels in Callejones for September

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

Data source: Callejones 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 Callejones Compares to Other Months

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

This table compares monthly weather conditions in Callejones, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	16°C (62°F)	9 mm (0.3 inches)	70%	very high
February Weather	17°C (64°F)	14 mm (0.6 inches)	65%	extreme
March Weather	19°C (67°F)	7 mm (0.3 inches)	59%	extreme
April Weather	21°C (69°F)	3 mm (0.1 inches)	60%	extreme
May Weather	22°C (71°F)	43 mm (1.7 inches)	67%	extreme
June Weather	21°C (70°F)	207 mm (8.1 inches)	80%	extreme
July Weather	20°C (68°F)	280 mm (11.0 inches)	81%	extreme
August Weather	20°C (68°F)	313 mm (12.3 inches)	83%	extreme
September Weather	20°C (68°F)	278 mm (10.9 inches)	83%	extreme
October Weather	19°C (67°F)	139 mm (5.5 inches)	80%	extreme
November Weather	18°C (65°F)	34 mm (1.3 inches)	77%	very high
December Weather	16°C (62°F)	7 mm (0.3 inches)	76%	very high