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September Weather in La Nortena, Mexico

Last updated: August 27, 2025

In September, the average temperature in La Nortena, Mexico hovers around 18°C (65°F), with the mercury dipping as low as 7°C (45°F) and peaking at 30°C (87°F). Expect some precipitation, totaling 85 mm (3.4 in) over approximately 12 days, while the average humidity lingers at a cozy 82%.

September Temperature in La Nortena

In September, in La Nortena, the average temperature is 18°C (65°F). The maximum can reach 30°C (87°F), while the minimum can drop as low as 7°C (45°F). This climate makes La Nortena an ideal destination for travelers seeking pleasant weather and a range of outdoor activities.

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

The chart illustrates September temperature patterns in La Nortena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In La Nortena, September typically has an average temperature of 18°C (65°F), with highs reaching up to 30°C (87°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec434550576471686764595144
Data source: Temperature data for La Nortena 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 Nortena

In La Nortena in September, the precipitation amount is 85 mm (3.4 in) over the course of 12 days.

September Precipitation Trends in La Nortena

The chart displays monthly precipitation patterns in La Nortena, 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 Nortena, September typically receives around 85 mm (3.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec4758487104928523685524756
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in La Nortena

In La Nortena in September, humidity is 82%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can quickly leave travelers feeling fatigued and in need of frequent breaks to stay refreshed and hydrated.

September Average Humidity in La Nortena

This chart illustrates the average monthly humidity levels in La Nortena, 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 Nortena is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%69%63%50%39%36%60%78%82%76%80%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in La Nortena

In La Nortena 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 La Nortena.

Maximum UV Index Levels in La Nortena for September

The chart shows the monthly maximum UV Index (UVI) for La Nortena 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 Nortena typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69111313131313121076
Data source: La Nortena 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 Nortena Compares to Other Months

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

This table compares monthly weather conditions in La Nortena, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)47 mm (1.8 inches)78%high
February Weather7°C (45°F)58 mm (2.3 inches)69%very high
March Weather10°C (50°F)48 mm (1.9 inches)63%extreme
April Weather14°C (58°F)7 mm (0.3 inches)49%extreme
May Weather18°C (64°F)10 mm (0.4 inches)39%extreme
June Weather22°C (71°F)49 mm (1.9 inches)36%extreme
July Weather20°C (68°F)285 mm (11.2 inches)60%extreme
August Weather19°C (67°F)236 mm (9.3 inches)78%extreme
September Weather18°C (65°F)85 mm (3.4 inches)82%extreme
October Weather15°C (59°F)51 mm (2.0 inches)76%very high
November Weather11°C (52°F)47 mm (1.9 inches)80%high
December Weather6°C (44°F)56 mm (2.2 inches)85%high

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