September Weather in Bonpland, Argentina

Last updated: August 22, 2025

In September, the average temperature in Bonpland, Argentina is a pleasant 18°C (65°F), with a temperature range that can dip to a chilly 4°C (39°F) and soar up to a warm 35°C (95°F). With 121 mm (4.8 in) of precipitation spread across 9 days, you can expect a mix of sunny spells and occasional showers. The average humidity sits at a comfortable 55%, making this an inviting time to explore!

September Temperature in Bonpland

In September in Bonpland, the average temperature is 18°C (65°F). Maximums can reach 35°C (95°F), while minimums can be as low as 4°C (39°F). This diverse temperature range makes Bonpland an ideal destination for travelers looking to enjoy both warm and cooler climates.

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

The chart illustrates September temperature patterns in Bonpland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bonpland, September typically has an average temperature of 18°C (65°F), with highs reaching up to 35°C (95°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec797874696258576064697477
Data source: Temperature data for Bonpland generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Bonpland

In Bonpland in September, the precipitation amount is 121 mm (4.8 in) over the course of 9 days.

September Precipitation Trends in Bonpland

The chart displays monthly precipitation patterns in Bonpland, 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 Bonpland, September typically receives around 121 mm (4.8 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec166731071121338354831211279578
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Bonpland

In Bonpland in September humidity is 55%. With an average temperature of 18°C (65°F), this humidity feels like a gentle embrace, creating a comfortable yet slightly sticky atmosphere that is perfect for leisurely strolls and outdoor adventures.

September Average Humidity in Bonpland

This chart illustrates the average monthly humidity levels in Bonpland, 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 Bonpland is approximately 55%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%61%71%81%84%76%64%46%55%57%59%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bonpland

In Bonpland 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 Bonpland.

Maximum UV Index Levels in Bonpland for September

The chart shows the monthly maximum UV Index (UVI) for Bonpland 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 Bonpland typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151412965579121414
Data source: Bonpland 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 Bonpland Compares to Other Months

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

This table compares monthly weather conditions in Bonpland, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)166 mm (6.5 inches)66%extreme
February Weather25°C (78°F)73 mm (2.9 inches)61%extreme
March Weather23°C (75°F)107 mm (4.2 inches)71%extreme
April Weather21°C (70°F)112 mm (4.4 inches)81%very high
May Weather17°C (62°F)133 mm (5.2 inches)84%high
June Weather15°C (58°F)83 mm (3.3 inches)76%moderate
July Weather14°C (57°F)54 mm (2.1 inches)64%moderate
August Weather15°C (60°F)83 mm (3.3 inches)46%high
September Weather18°C (65°F)121 mm (4.8 inches)55%very high
October Weather20°C (69°F)127 mm (5.0 inches)57%extreme
November Weather23°C (74°F)95 mm (3.7 inches)59%extreme
December Weather25°C (78°F)78 mm (3.1 inches)75%extreme

Compare Bonpland's Climate with Cities Worldwide