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September Weather in Santa Rosa, Paraguay

Last updated: August 31, 2025

In September, the average temperature in Santa Rosa, Paraguay is a comfortable 21°C (69°F). However, temperatures can vary widely, with a minimum of 7°C (45°F) and soaring to a maximum of 37°C (99°F). This month also sees an average precipitation of 94 mm (3.7 in) spread over 9 days, contributing to an average humidity of 54%.

September Temperature in Santa Rosa

In September in Santa Rosa, the average temperature is 21°C (69°F). The maximum can reach 37°C (99°F), while the minimum can be as low as 7°C (45°F). Be prepared for a wide range of temperatures and pack accordingly for your travels!

September Weather in Santa Rosa: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santa Rosa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Rosa, September typically has an average temperature of 21°C (69°F), with highs reaching up to 37°C (99°F) and lows dropping to around 7°C (45°F).
JanFebMarAprMayJunJulAugSepOctNovDec817977726563616469737679
Data source: Temperature data for Santa Rosa 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 Santa Rosa

In Santa Rosa in September, the precipitation amount reaches 94 mm (3.7 in) over the course of 9 days.

September Precipitation Trends in Santa Rosa

The chart displays monthly precipitation patterns in Santa Rosa, 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 Santa Rosa, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec15610212013221710077729418315097
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Rosa

In Santa Rosa in September humidity is 54%. With average temperature 21°C (69°F), this humidity feels like a refreshing embrace, making outdoor adventures enjoyable but occasionally prompting a need for a light breeze or shade while exploring.

September Average Humidity in Santa Rosa

This chart illustrates the average monthly humidity levels in Santa Rosa, 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 Santa Rosa is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%71%74%82%82%73%67%49%54%58%69%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Rosa

In Santa Rosa in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Santa Rosa.

Maximum UV Index Levels in Santa Rosa for September

The chart shows the monthly maximum UV Index (UVI) for Santa Rosa 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 Santa Rosa typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141310756710131414
Data source: Santa Rosa 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 Santa Rosa Compares to Other Months

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

This table compares monthly weather conditions in Santa Rosa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)156 mm (6.2 inches)77%extreme
February Weather26°C (80°F)102 mm (4.0 inches)71%extreme
March Weather25°C (77°F)120 mm (4.7 inches)74%extreme
April Weather22°C (72°F)132 mm (5.2 inches)82%very high
May Weather19°C (66°F)216 mm (8.5 inches)82%high
June Weather17°C (63°F)100 mm (3.9 inches)73%moderate
July Weather16°C (61°F)77 mm (3.0 inches)67%high
August Weather18°C (65°F)72 mm (2.8 inches)49%high
September Weather21°C (69°F)94 mm (3.7 inches)54%very high
October Weather23°C (73°F)183 mm (7.2 inches)58%extreme
November Weather25°C (76°F)150 mm (5.9 inches)69%extreme
December Weather26°C (79°F)97 mm (3.8 inches)84%extreme

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