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September Weather in Narciso Mendoza, Mexico

Last updated: August 27, 2025

In September, the average temperature in Narciso Mendoza, Mexico hovers around 18°C (65°F), with minimums dipping to 7°C (45°F) and occasional maximums reaching 28°C (83°F). Expect considerable precipitation, averaging 141 mm (5.5 in) over 19 days, and a high humidity level of 86%. When planning your visit, be ready for both the warmth and the wet!

September Temperature in Narciso Mendoza

In September in Narciso Mendoza, the average temperature is 18°C (65°F). The maximum can reach 28°C (83°F), while the minimum can drop as low as 7°C (45°F). This mild climate makes Narciso Mendoza an ideal destination for outdoor exploration and city sightseeing during this time of year.

September Weather in Narciso Mendoza: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Narciso Mendoza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Narciso Mendoza, September typically has an average temperature of 18°C (65°F), with highs reaching up to 28°C (83°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec535863677273686965645954
Data source: Temperature data for Narciso Mendoza 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 Narciso Mendoza

In Narciso Mendoza in September, the precipitation amount is 141 mm (5.5 in) spread over 19 days.

September Precipitation Trends in Narciso Mendoza

The chart displays monthly precipitation patterns in Narciso Mendoza, 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 Narciso Mendoza, September typically receives around 141 mm (5.5 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec12107412561699614145129
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Narciso Mendoza

In Narciso Mendoza in September humidity is 86%. With an average temperature of 18°C (65°F), this humidity feels like you’re wrapped in a warm, heavy blanket, making outdoor activities feel quite muggy and sticky for traveling.

September Average Humidity in Narciso Mendoza

This chart illustrates the average monthly humidity levels in Narciso Mendoza, 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 Narciso Mendoza is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%64%49%47%55%77%82%83%86%83%80%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Narciso Mendoza

In Narciso Mendoza 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 Narciso Mendoza.

Maximum UV Index Levels in Narciso Mendoza for September

The chart shows the monthly maximum UV Index (UVI) for Narciso Mendoza 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 Narciso Mendoza typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec811131514141414131297
Data source: Narciso Mendoza 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 Narciso Mendoza Compares to Other Months

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

This table compares monthly weather conditions in Narciso Mendoza, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)11 mm (0.5 inches)71%very high
February Weather14°C (58°F)10 mm (0.4 inches)64%extreme
March Weather17°C (64°F)6 mm (0.3 inches)49%extreme
April Weather20°C (68°F)4 mm (0.1 inches)47%extreme
May Weather22°C (72°F)12 mm (0.5 inches)55%extreme
June Weather23°C (73°F)56 mm (2.2 inches)77%extreme
July Weather20°C (68°F)169 mm (6.7 inches)82%extreme
August Weather20°C (69°F)96 mm (3.8 inches)83%extreme
September Weather18°C (65°F)141 mm (5.5 inches)86%extreme
October Weather18°C (64°F)45 mm (1.8 inches)83%extreme
November Weather15°C (59°F)12 mm (0.5 inches)80%very high
December Weather12°C (54°F)9 mm (0.3 inches)83%high

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