September Weather in Ojinaga, Mexico

Last updated: August 27, 2025

In September, the average temperature in Ojinaga, Mexico reaches a warm 27°C (81°F). However, temperatures can vary significantly, dipping to a cool 13°C (56°F) at night or soaring to a sweltering 40°C (104°F) during the day. This month typically sees 41 mm (1.6 in) of precipitation spread over 6 days, creating a humidity level of approximately 75% for those looking to experience the tropical atmosphere.

September Temperature in Ojinaga

In September in Ojinaga, the average temperature is 27°C (81°F). Maximums can reach 40°C (104°F), while minimums can drop as low as 13°C (56°F). It's a great time to visit, so pack accordingly to enjoy a mix of warm days and cooler nights!

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

The chart illustrates September temperature patterns in Ojinaga, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ojinaga, September typically has an average temperature of 27°C (81°F), with highs reaching up to 40°C (104°F) and lows dropping to around 13°C (56°F).

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

September Precipitation in Ojinaga

In Ojinaga in September, the precipitation amount is 41 mm (1.6 in) over the course of 6 days.

September Precipitation Trends in Ojinaga

The chart displays monthly precipitation patterns in Ojinaga, 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 Ojinaga, September typically receives around 41 mm (1.6 inches) of precipitation spread over approximately 6 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 Ojinaga

In Ojinaga in September, humidity is 75%. With an average temperature of 27°C (81°F), this humidity feels like a blanket of warmth enveloping you, making outdoor activities sticky and potentially uncomfortable for traveling.

September Average Humidity in Ojinaga

This chart illustrates the average monthly humidity levels in Ojinaga, 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 Ojinaga is approximately 75%, 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 Ojinaga

In Ojinaga 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 Ojinaga.

Maximum UV Index Levels in Ojinaga for September

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

Data source: Ojinaga 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 Ojinaga Compares to Other Months

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

This table compares monthly weather conditions in Ojinaga, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	11°C (52°F)	10 mm (0.4 inches)	75%	high
February Weather	15°C (59°F)	7 mm (0.3 inches)	72%	very high
March Weather	20°C (68°F)	3 mm (0.1 inches)	62%	very high
April Weather	24°C (76°F)	8 mm (0.3 inches)	62%	extreme
May Weather	29°C (84°F)	5 mm (0.2 inches)	69%	extreme
June Weather	31°C (88°F)	21 mm (0.8 inches)	73%	extreme
July Weather	31°C (87°F)	19 mm (0.8 inches)	67%	extreme
August Weather	30°C (87°F)	19 mm (0.8 inches)	62%	extreme
September Weather	27°C (81°F)	41 mm (1.6 inches)	75%	extreme
October Weather	23°C (73°F)	12 mm (0.5 inches)	78%	very high
November Weather	17°C (62°F)	9 mm (0.3 inches)	85%	high
December Weather	12°C (55°F)	19 mm (0.7 inches)	85%	moderate