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September Weather in Loma Grande, Mexico

Last updated: August 27, 2025

The average temperature in Loma Grande, Mexico during September hovers around 15°C (59°F), with temperatures ranging from a chilly 5°C (41°F) to a pleasant 22°C (72°F). Expect wet weather, with precipitation totaling 249 mm (9.8 in) over 26 days and an average humidity level of 86%. Prepare accordingly to enjoy all that this month has to offer!

September Temperature in Loma Grande

In September in Loma Grande, the average temperature is 15°C (59°F). The maximum can reach 22°C (72°F), while the minimum can be as low as 5°C (41°F). This mild weather makes it an ideal time for outdoor activities and exploring the local sights.

September Weather in Loma Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Loma Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Loma Grande, September typically has an average temperature of 15°C (59°F), with highs reaching up to 22°C (72°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec505355585959575858575451
Data source: Temperature data for Loma Grande generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Loma Grande

In Loma Grande, in September, the precipitation amount is 249 mm (9.8 in) spread over 26 days.

September Precipitation Trends in Loma Grande

The chart displays monthly precipitation patterns in Loma Grande, 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 Loma Grande, September typically receives around 249 mm (9.8 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec4940841552262961422002491667537
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Loma Grande

In Loma Grande in September, humidity is 86%. With an average temperature of 15°C (59°F), this humidity feels like a warm, damp blanket that clings to your skin, making traveling slightly uncomfortable but still manageable if you stay hydrated and take breaks in shaded areas.

September Average Humidity in Loma Grande

This chart illustrates the average monthly humidity levels in Loma Grande, 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 Loma Grande is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%86%84%81%82%81%81%82%86%90%91%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Loma Grande

In Loma Grande 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 Loma Grande, you can check here.

Maximum UV Index Levels in Loma Grande for September

The chart shows the monthly maximum UV Index (UVI) for Loma Grande 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 Loma Grande typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121415151515141413109
Data source: Loma Grande 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 Loma Grande Compares to Other Months

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

This table compares monthly weather conditions in Loma Grande, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)49 mm (1.9 inches)88%very high
February Weather12°C (54°F)40 mm (1.6 inches)86%extreme
March Weather13°C (56°F)84 mm (3.3 inches)84%extreme
April Weather14°C (58°F)155 mm (6.1 inches)81%extreme
May Weather15°C (59°F)226 mm (8.9 inches)82%extreme
June Weather15°C (59°F)296 mm (11.6 inches)81%extreme
July Weather14°C (58°F)142 mm (5.6 inches)81%extreme
August Weather14°C (58°F)200 mm (7.9 inches)82%extreme
September Weather15°C (59°F)249 mm (9.8 inches)86%extreme
October Weather14°C (57°F)166 mm (6.5 inches)90%extreme
November Weather12°C (54°F)75 mm (3.0 inches)91%very high
December Weather11°C (52°F)36 mm (1.4 inches)91%very high

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