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September Weather in Lanus, Argentina

Last updated: August 22, 2025

In September, the average temperature in Lanus, Argentina hovers around 14°C (58°F). However, be prepared for a temperature range that can swing from a chilly 1°C (34°F) to a warm 29°C (84°F). During this month, you can expect approximately 75 mm (3.0 in) of precipitation spread over about 6 days, while the average humidity sits at a comfortable 72%.

September Temperature in Lanus

In September in Lanus, the average temperature is 14°C (58°F), with maximums reaching 29°C (84°F) and minimums dropping as low as 1°C (34°F). This diverse climate makes Lanus an ideal destination for travelers seeking both warm and cooler experiences.

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

The chart illustrates September temperature patterns in Lanus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lanus, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (84°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec767370655753515358626873
Data source: Temperature data for Lanus 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 Lanus

In Lanus in September, the precipitation amount is 75 mm (3.0 in) occurring over a span of 6 days.

September Precipitation Trends in Lanus

The chart displays monthly precipitation patterns in Lanus, 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 Lanus, September typically receives around 75 mm (3.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec656673806856554675947167
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lanus

In Lanus in September, humidity is 72%. With an average temperature of 14°C (58°F), this humidity feels like a damp blanket wrapping around you, making walking and exploring slightly uncomfortable and requiring frequent breaks for hydration.

September Average Humidity in Lanus

This chart illustrates the average monthly humidity levels in Lanus, 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 Lanus is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%61%66%80%85%80%69%66%72%63%59%56%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lanus

In Lanus in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Lanus.

Maximum UV Index Levels in Lanus for September

The chart shows the monthly maximum UV Index (UVI) for Lanus 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 Lanus typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141211753468101314
Data source: Lanus 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 Lanus Compares to Other Months

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

This table compares monthly weather conditions in Lanus, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)65 mm (2.6 inches)50%extreme
February Weather23°C (74°F)66 mm (2.6 inches)61%extreme
March Weather21°C (70°F)73 mm (2.9 inches)66%extreme
April Weather18°C (65°F)80 mm (3.2 inches)80%high
May Weather14°C (58°F)67 mm (2.7 inches)85%moderate
June Weather11°C (53°F)56 mm (2.2 inches)80%moderate
July Weather10°C (51°F)55 mm (2.2 inches)69%moderate
August Weather12°C (54°F)46 mm (1.8 inches)66%high
September Weather14°C (58°F)75 mm (3.0 inches)72%very high
October Weather17°C (62°F)94 mm (3.7 inches)63%very high
November Weather20°C (69°F)71 mm (2.8 inches)59%extreme
December Weather23°C (73°F)67 mm (2.6 inches)56%extreme

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