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September Weather in Henderson, Argentina

Last updated: August 22, 2025

In September, the average temperature in Henderson, Argentina hovers around 13°C (55°F), making it a pleasant time to explore. However, be prepared for temperature swings, as lows can drop to -3°C (26°F) while highs may soar to 32°C (91°F). Expect about 76 mm (3.0 in) of precipitation spread across 6 days, with an average humidity of 67%—perfect for refreshing rain showers!

September Temperature in Henderson

In September in Henderson, the average temperature is 13°C (55°F). Maximums can reach 32°C (91°F), while minimums can drop as low as -3°C (26°F). Be prepared for a wide range of weather conditions when traveling during this time.

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

The chart illustrates September temperature patterns in Henderson, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Henderson, September typically has an average temperature of 13°C (55°F), with highs reaching up to 32°C (91°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec747167625448475055606672
Data source: Temperature data for Henderson 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 Henderson

In Henderson in September, the total precipitation amount reaches 76 mm (3.0 in) over the course of 6 days.

September Precipitation Trends in Henderson

The chart displays monthly precipitation patterns in Henderson, 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 Henderson, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec66849610542392332767910172
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Henderson

In Henderson in September humidity is 67%. With an average temperature of 13°C (55°F), this humidity feels like a chilly embrace, making travel a bit uncomfortable as the cool air settles in.

September Average Humidity in Henderson

This chart illustrates the average monthly humidity levels in Henderson, 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 Henderson is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec49%58%65%77%79%76%67%61%67%59%55%48%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Henderson

In Henderson in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Henderson.

Maximum UV Index Levels in Henderson for September

The chart shows the monthly maximum UV Index (UVI) for Henderson 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 Henderson typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141210753457101314
Data source: Henderson 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 Henderson Compares to Other Months

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

This table compares monthly weather conditions in Henderson, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)66 mm (2.6 inches)49%extreme
February Weather22°C (72°F)84 mm (3.3 inches)58%extreme
March Weather20°C (67°F)96 mm (3.8 inches)65%very high
April Weather17°C (62°F)105 mm (4.1 inches)77%high
May Weather12°C (54°F)42 mm (1.6 inches)79%moderate
June Weather9°C (49°F)39 mm (1.5 inches)76%moderate
July Weather8°C (47°F)23 mm (0.9 inches)67%moderate
August Weather10°C (51°F)32 mm (1.3 inches)61%moderate
September Weather13°C (55°F)76 mm (3.0 inches)67%high
October Weather16°C (60°F)79 mm (3.1 inches)59%very high
November Weather19°C (67°F)101 mm (4.0 inches)55%extreme
December Weather22°C (72°F)72 mm (2.8 inches)48%extreme

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