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September Weather in La Linea, Mexico

Last updated: August 26, 2025

In September, the average temperature in La Linea, Mexico hovers around 27°C (81°F). Expect a comfortable range with a minimum of 23°C (74°F) and a maximum peaking at 32°C (91°F). However, be prepared for the wet weather, as 235 mm (9.3 in) of precipitation falls over 25 days, and the air remains quite humid with an average of 87% humidity.

September Temperature in La Linea

In September in La Linea, the average temperature is 27°C (81°F). The maximum can reach 32°C (91°F), while the minimum can be as low as 23°C (74°F). This pleasant climate makes it an ideal time for outdoor activities and sightseeing.

September Weather in La Linea: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in La Linea, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Linea, September typically has an average temperature of 27°C (81°F), with highs reaching up to 32°C (91°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec767779818180828180807976
Data source: Temperature data for La Linea 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 La Linea

In La Linea, in September, the total precipitation amount is 235 mm (9.3 in) spread over 25 days.

September Precipitation Trends in La Linea

The chart displays monthly precipitation patterns in La Linea, 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 La Linea, September typically receives around 235 mm (9.3 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec5552510427913824923518474
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in La Linea

In La Linea in September, humidity is 87%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, damp blanket, making traveling feel heavy and exhausting.

September Average Humidity in La Linea

This chart illustrates the average monthly humidity levels in La Linea, 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 La Linea 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 La Linea

In La Linea 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 La Linea.

Maximum UV Index Levels in La Linea for September

The chart shows the monthly maximum UV Index (UVI) for La Linea 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 La Linea typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141414131312109
Data source: La Linea 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 La Linea Compares to Other Months

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

This table compares monthly weather conditions in La Linea, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)5 mm (0.2 inches)83%very high
February Weather25°C (77°F)5 mm (0.2 inches)76%extreme
March Weather26°C (79°F)5 mm (0.2 inches)66%extreme
April Weather27°C (81°F)25 mm (1.0 inches)59%extreme
May Weather27°C (82°F)104 mm (4.1 inches)64%extreme
June Weather27°C (80°F)279 mm (11.0 inches)69%extreme
July Weather28°C (82°F)138 mm (5.4 inches)82%extreme
August Weather27°C (81°F)249 mm (9.8 inches)87%extreme
September Weather27°C (81°F)235 mm (9.3 inches)87%extreme
October Weather27°C (80°F)184 mm (7.2 inches)88%extreme
November Weather26°C (79°F)7 mm (0.3 inches)88%very high
December Weather25°C (77°F)4 mm (0.2 inches)88%very high

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