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September Weather in Melchor de Mencos, Guatemala

Last updated: August 23, 2025

In Melchor de Mencos, Guatemala, the average temperature in September reaches a warm 28°C (82°F). You can expect minimum temperatures around 22°C (71°F) and highs soaring to 38°C (101°F). This month typically brings 140 mm (5.5 in) of precipitation over 20 days, accompanied by a high average humidity of 82%. Prepare for a humid and occasionally wet climate!

September Temperature in Melchor de Mencos

In September in Melchor de Mencos, the average temperature is 28°C (82°F). The maximum can reach 38°C (101°F), and the minimum can be as low as 22°C (71°F). Be prepared for warm weather and pack accordingly for your travels!

September Weather in Melchor de Mencos: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Melchor de Mencos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Melchor de Mencos, September typically has an average temperature of 28°C (82°F), with highs reaching up to 38°C (101°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec747779848482838382807675
Data source: Temperature data for Melchor de Mencos 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 Melchor de Mencos

In Melchor de Mencos in September, the total precipitation amount is 140 mm (5.5 in) spread over the course of 20 days.

September Precipitation Trends in Melchor de Mencos

The chart displays monthly precipitation patterns in Melchor de Mencos, 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 Melchor de Mencos, September typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec311813256415163751411529847
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Melchor de Mencos

In Melchor de Mencos in September humidity is 82%. With an average temperature of 28°C (82°F), this humidity feels like walking through a warm, dense blanket, making outdoor activities a challenge and necessitating frequent breaks to stay hydrated.

September Average Humidity in Melchor de Mencos

This chart illustrates the average monthly humidity levels in Melchor de Mencos, 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 Melchor de Mencos is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%67%62%62%63%66%73%82%86%87%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Melchor de Mencos

In Melchor de Mencos in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Melchor de Mencos.

Maximum UV Index Levels in Melchor de Mencos for September

The chart shows the monthly maximum UV Index (UVI) for Melchor de Mencos 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 Melchor de Mencos typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131413131313131298
Data source: Melchor de Mencos 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 Melchor de Mencos Compares to Other Months

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

This table compares monthly weather conditions in Melchor de Mencos, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)31 mm (1.2 inches)85%very high
February Weather25°C (78°F)18 mm (0.7 inches)78%extreme
March Weather26°C (80°F)13 mm (0.5 inches)67%extreme
April Weather29°C (84°F)25 mm (1.0 inches)62%extreme
May Weather29°C (85°F)64 mm (2.5 inches)62%extreme
June Weather28°C (83°F)151 mm (5.9 inches)63%extreme
July Weather28°C (83°F)63 mm (2.5 inches)66%extreme
August Weather29°C (84°F)75 mm (3.0 inches)73%extreme
September Weather28°C (82°F)140 mm (5.5 inches)82%extreme
October Weather26°C (80°F)152 mm (6.0 inches)86%extreme
November Weather25°C (76°F)98 mm (3.9 inches)87%very high
December Weather24°C (75°F)47 mm (1.9 inches)87%very high

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