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September Weather in Chulna, Mexico

Last updated: August 26, 2025

In September, the average temperature in Chulna, Mexico is a mild 18°C (65°F). Expect cooler nights, with minimum temperatures dropping to 12°C (54°F), while daytime highs can reach up to 26°C (79°F). Be prepared for wet weather, as 274 mm (10.8 in) of precipitation is likely over 27 days, accompanied by an average humidity level of 77%.

September Temperature in Chulna

In September in Chulna, the average temperature is 18°C (65°F). Maximum temperatures can reach 26°C (79°F), while the minimum can drop as low as 12°C (54°F). This pleasant weather makes Chulna an ideal destination for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Chulna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chulna, September typically has an average temperature of 18°C (65°F), with highs reaching up to 26°C (79°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec575961656665646464636058
Data source: Temperature data for Chulna 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 Chulna

In Chulna in September, the precipitation amount is 274 mm (10.8 in) over the course of 27 days.

September Precipitation Trends in Chulna

The chart displays monthly precipitation patterns in Chulna, 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 Chulna, September typically receives around 274 mm (10.8 inches) of precipitation spread over approximately 27 days.
JanFebMarAprMayJunJulAugSepOctNovDec8749467720435210816227426713175
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Chulna

In Chulna in September humidity is 77%. With an average temperature of 18°C (65°F), this humidity feels like a warm embrace that's both refreshing and slightly stifling, making it essential for travelers to stay hydrated and take frequent breaks to enjoy the vibrant surroundings without feeling overly fatigued.

September Average Humidity in Chulna

This chart illustrates the average monthly humidity levels in Chulna, 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 Chulna is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%73%59%53%54%55%61%71%77%78%82%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Chulna

In Chulna 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 Chulna, you can check here.

Maximum UV Index Levels in Chulna for September

The chart shows the monthly maximum UV Index (UVI) for Chulna 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 Chulna typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11131515151515141413119
Data source: Chulna 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 Chulna Compares to Other Months

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

This table compares monthly weather conditions in Chulna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather14°C (58°F)87 mm (3.4 inches)84%extreme
February Weather15°C (60°F)49 mm (1.9 inches)73%extreme
March Weather16°C (62°F)46 mm (1.8 inches)59%extreme
April Weather18°C (65°F)77 mm (3.0 inches)52%extreme
May Weather19°C (66°F)204 mm (8.0 inches)53%extreme
June Weather18°C (65°F)352 mm (13.9 inches)55%extreme
July Weather18°C (64°F)107 mm (4.2 inches)61%extreme
August Weather18°C (65°F)162 mm (6.4 inches)71%extreme
September Weather18°C (65°F)274 mm (10.8 inches)77%extreme
October Weather17°C (64°F)267 mm (10.5 inches)78%extreme
November Weather16°C (61°F)131 mm (5.2 inches)82%extreme
December Weather15°C (59°F)75 mm (3.0 inches)86%very high

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