September Weather in Jonuta, Mexico

Last updated: August 27, 2025

In Jonuta, Mexico, the average temperature in September hovers around 28°C (84°F), with fluctuations between a comfortable 23°C (74°F) and a sizzling 38°C (100°F). Be prepared for some wet days, as precipitation averages 214 mm (8.4 in) over 23 days, contributing to an average humidity level of 77%. Stay hydrated and enjoy the tropical vibes!

September Temperature in Jonuta

In September in Jonuta, the average temperature is 28°C (84°F). The maximum can reach 38°C (100°F), while the minimum can be as low as 23°C (74°F). This warm climate makes it an ideal time for enjoying outdoor activities and exploring the beautiful surroundings.

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

The chart illustrates September temperature patterns in Jonuta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jonuta, September typically has an average temperature of 28°C (84°F), with highs reaching up to 38°C (100°F) and lows dropping to around 23°C (74°F).

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

September Precipitation in Jonuta

In Jonuta in September, the precipitation amount is 214 mm (8.4 in) spread out over 23 days.

September Precipitation Trends in Jonuta

The chart displays monthly precipitation patterns in Jonuta, 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 Jonuta, September typically receives around 214 mm (8.4 inches) of precipitation spread over approximately 23 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 Jonuta

In Jonuta in September, humidity is 77%. With an average temperature of 28°C (84°F), this humidity feels like a warm blanket wrapped around you, making outdoor activities feel more intense and requiring frequent breaks for hydration.

September Average Humidity in Jonuta

This chart illustrates the average monthly humidity levels in Jonuta, 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 Jonuta is approximately 77%, 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 Jonuta

In Jonuta in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Jonuta.

Maximum UV Index Levels in Jonuta for September

The chart shows the monthly maximum UV Index (UVI) for Jonuta 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 Jonuta typically reaches 12, which falls under the extreme exposure category.

Data source: Jonuta 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 Jonuta Compares to Other Months

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

This table compares monthly weather conditions in Jonuta, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	24°C (75°F)	54 mm (2.1 inches)	84%	very high
February Weather	26°C (78°F)	28 mm (1.1 inches)	73%	extreme
March Weather	27°C (81°F)	21 mm (0.8 inches)	59%	extreme
April Weather	29°C (85°F)	35 mm (1.4 inches)	52%	extreme
May Weather	31°C (88°F)	84 mm (3.3 inches)	53%	extreme
June Weather	29°C (84°F)	242 mm (9.5 inches)	55%	extreme
July Weather	29°C (85°F)	79 mm (3.1 inches)	61%	extreme
August Weather	29°C (85°F)	138 mm (5.4 inches)	71%	extreme
September Weather	28°C (84°F)	214 mm (8.4 inches)	77%	extreme
October Weather	27°C (81°F)	258 mm (10.2 inches)	78%	extreme
November Weather	25°C (78°F)	123 mm (4.8 inches)	82%	very high
December Weather	24°C (76°F)	60 mm (2.4 inches)	86%	very high