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September Weather in Calaco, Mexico

Last updated: August 27, 2025

In September, the average temperature in Calaco, Mexico hovers around 27°C (81°F), with lows dipping to 18°C (64°F) and highs soaring up to 38°C (100°F). Expect a fair amount of precipitation, averaging 170 mm (6.7 in) over 19 days, while the humidity remains notably high at 84%.

September Temperature in Calaco

In September in Calaco, the average temperature is 27°C (81°F), with maximums reaching up to 38°C (100°F) and minimums dipping as low as 18°C (64°F). This climate makes Calaco an ideal destination for travelers seeking warm weather and outdoor activities during this time.

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

The chart illustrates September temperature patterns in Calaco, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calaco, September typically has an average temperature of 27°C (81°F), with highs reaching up to 38°C (100°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec656973788282828281777167
Data source: Temperature data for Calaco 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 Calaco

In Calaco in September, the precipitation amount is 170 mm (6.7 in) over the course of 19 days.

September Precipitation Trends in Calaco

The chart displays monthly precipitation patterns in Calaco, 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 Calaco, September typically receives around 170 mm (6.7 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec604257771431751121191702618435
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Calaco

In Calaco in September humidity is 84%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, moist blanket, making travel uncomfortable and sticky, as every step seems to weigh you down with the heavy air.

September Average Humidity in Calaco

This chart illustrates the average monthly humidity levels in Calaco, 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 Calaco is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%86%83%80%82%79%72%74%84%92%91%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Calaco

In Calaco 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 Calaco.

Maximum UV Index Levels in Calaco for September

The chart shows the monthly maximum UV Index (UVI) for Calaco 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 Calaco typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121212131312121187
Data source: Calaco 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 Calaco Compares to Other Months

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

This table compares monthly weather conditions in Calaco, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather19°C (66°F)60 mm (2.4 inches)88%high
February Weather20°C (69°F)42 mm (1.7 inches)86%very high
March Weather23°C (73°F)57 mm (2.2 inches)83%extreme
April Weather26°C (79°F)77 mm (3.0 inches)80%extreme
May Weather28°C (83°F)143 mm (5.6 inches)82%extreme
June Weather28°C (82°F)175 mm (6.9 inches)79%extreme
July Weather28°C (82°F)112 mm (4.4 inches)72%extreme
August Weather28°C (83°F)119 mm (4.7 inches)74%extreme
September Weather27°C (81°F)170 mm (6.7 inches)84%extreme
October Weather25°C (77°F)261 mm (10.3 inches)92%extreme
November Weather22°C (71°F)84 mm (3.3 inches)91%very high
December Weather19°C (67°F)35 mm (1.4 inches)91%high

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