September Weather in Niltepec, Mexico

Last updated: August 27, 2025

In September, the average temperature in Niltepec, Mexico hovers around 27°C (80°F), with minimum temperatures dipping to 21°C (70°F) and maxing out at 35°C (95°F). The region experiences significant rainfall, with 293 mm (11.5 in) of precipitation spread over 23 days. Additionally, the average humidity is quite high at 87%, contributing to a warm and steamy atmosphere.

September Temperature in Niltepec

In September in Niltepec, the average temperature is 27°C (80°F). The maximum can reach 35°C (95°F), and the minimum can be as low as 21°C (70°F). This pleasant climate makes Niltepec an ideal destination for travelers seeking warm weather.

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

The chart illustrates September temperature patterns in Niltepec, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Niltepec, September typically has an average temperature of 27°C (80°F), with highs reaching up to 35°C (95°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec757779818280818180797776
Data source: Temperature data for Niltepec 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 Niltepec

In Niltepec in September, the precipitation amount is 293 mm (11.5 in) over a span of 23 days.

September Precipitation Trends in Niltepec

The chart displays monthly precipitation patterns in Niltepec, 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 Niltepec, September typically receives around 293 mm (11.5 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec14151231973161462532931981815
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Niltepec

In Niltepec in September humidity is 87%. With an average temperature of 27°C (80°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and challenging for traveling.

September Average Humidity in Niltepec

This chart illustrates the average monthly humidity levels in Niltepec, 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 Niltepec is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%76%66%59%64%69%82%87%87%88%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Niltepec

In Niltepec 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 Niltepec.

Maximum UV Index Levels in Niltepec for September

The chart shows the monthly maximum UV Index (UVI) for Niltepec 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 Niltepec typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314141314131312108
Data source: Niltepec 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 Niltepec Compares to Other Months

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

This table compares monthly weather conditions in Niltepec, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)14 mm (0.5 inches)83%very high
February Weather25°C (77°F)15 mm (0.6 inches)76%extreme
March Weather26°C (79°F)12 mm (0.5 inches)66%extreme
April Weather27°C (81°F)31 mm (1.2 inches)59%extreme
May Weather28°C (82°F)97 mm (3.8 inches)64%extreme
June Weather27°C (80°F)316 mm (12.4 inches)69%extreme
July Weather27°C (82°F)146 mm (5.8 inches)82%extreme
August Weather27°C (81°F)253 mm (10.0 inches)87%extreme
September Weather27°C (80°F)293 mm (11.5 inches)87%extreme
October Weather26°C (79°F)198 mm (7.8 inches)88%extreme
November Weather25°C (78°F)18 mm (0.7 inches)88%very high
December Weather24°C (76°F)15 mm (0.6 inches)88%very high

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