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September Weather in Primero de Mayo, Argentina

Last updated: August 22, 2025

In September, the average temperature in Primero de Mayo, Argentina hovers around 16°C (61°F). Expect temperature variations where the minimum can dip to 1°C (33°F), while the maximum may soar up to 37°C (99°F). During this period, the area receives about 7 mm (0.3 in) of precipitation spread over just 1 day, with an average humidity of 51%.

September Temperature in Primero de Mayo

In September in Primero de Mayo, the average temperature is 16°C (61°F). Maximum temperatures can reach 37°C (99°F), while minimums can drop as low as 1°C (33°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.

September Weather in Primero de Mayo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Primero de Mayo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Primero de Mayo, September typically has an average temperature of 16°C (61°F), with highs reaching up to 37°C (99°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec827973665648475361677479
Data source: Temperature data for Primero de Mayo 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 Primero de Mayo

In Primero de Mayo in September, the precipitation amount is 7 mm (0.3 in) over the course of 1 day.

September Precipitation Trends in Primero de Mayo

The chart displays monthly precipitation patterns in Primero de Mayo, 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 Primero de Mayo, September typically receives around 7 mm (0.3 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec18112014133437121218
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Primero de Mayo

In Primero de Mayo in September, humidity is 51%. With an average temperature of 16°C (61°F), this humidity feels like a refreshing embrace, making it comfortable for traveling as you explore the sights while enjoying the mild climate.

September Average Humidity in Primero de Mayo

This chart illustrates the average monthly humidity levels in Primero de Mayo, 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 Primero de Mayo is approximately 51%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec40%46%54%65%69%64%65%60%51%49%44%36%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Primero de Mayo

In Primero de Mayo in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Primero de Mayo.

Maximum UV Index Levels in Primero de Mayo for September

The chart shows the monthly maximum UV Index (UVI) for Primero de Mayo 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 Primero de Mayo typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412964569121415
Data source: Primero de Mayo 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 Primero de Mayo Compares to Other Months

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

This table compares monthly weather conditions in Primero de Mayo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)18 mm (0.7 inches)40%extreme
February Weather26°C (79°F)11 mm (0.4 inches)46%extreme
March Weather23°C (73°F)20 mm (0.8 inches)54%extreme
April Weather19°C (66°F)14 mm (0.5 inches)65%very high
May Weather13°C (56°F)13 mm (0.5 inches)69%high
June Weather9°C (49°F)3 mm (0.1 inches)64%moderate
July Weather8°C (48°F)3 mm (0.1 inches)65%moderate
August Weather12°C (54°F)3 mm (0.1 inches)60%high
September Weather16°C (61°F)7 mm (0.3 inches)51%very high
October Weather20°C (68°F)12 mm (0.5 inches)49%extreme
November Weather24°C (75°F)12 mm (0.5 inches)44%extreme
December Weather26°C (79°F)18 mm (0.7 inches)35%extreme

Compare Primero de Mayo's Climate with Cities Worldwide