nomadseason

September Weather in Santa Rosa, Peru

Last updated: August 27, 2025

In Santa Rosa, Peru, the average temperature in September hovers around 16°C (61°F), with a minimum of 14°C (57°F) and a maximum reaching 18°C (65°F). Expect minimal precipitation of just 8 mm (0.3 in) over 0 days, while the average humidity rests comfortably at 40%. Enjoy the mild and dry climate!

September Temperature in Santa Rosa

In September in Santa Rosa, the average temperature is 16°C (61°F). The maximum can reach 18°C (65°F) and the minimum can be as low as 14°C (57°F). Overall, it's a mild month, making it a great time for traveling and exploring the outdoors.

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 16°C (61°F), with highs reaching up to 18°C (65°F) and lows dropping to around 14°C (57°F).
JanFebMarAprMayJunJulAugSepOctNovDec697170686463616160616366
Data source: Temperature data for Santa Rosa 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 Santa Rosa

In Santa Rosa in September, the precipitation amount is 8 mm (0.3 in) during a span of 0 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 8 mm (0.3 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec222321878998779
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Santa Rosa

In Santa Rosa in September, humidity is 40%. With an average temperature of 16°C (61°F), this humidity feels like a refreshing and comfortable atmosphere for traveling, making outdoor explorations enjoyable without the discomfort of excessive heat or stickiness.

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 40%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%90%91%89%85%65%47%38%40%56%76%90%
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 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For 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 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516141110101113141414
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 Weather21°C (69°F)22 mm (0.9 inches)91%extreme
February Weather21°C (71°F)23 mm (0.9 inches)90%extreme
March Weather21°C (71°F)21 mm (0.8 inches)91%extreme
April Weather20°C (68°F)8 mm (0.3 inches)89%extreme
May Weather18°C (65°F)7 mm (0.3 inches)85%extreme
June Weather17°C (63°F)8 mm (0.3 inches)65%very high
July Weather16°C (62°F)9 mm (0.3 inches)47%very high
August Weather16°C (61°F)9 mm (0.4 inches)38%extreme
September Weather16°C (61°F)8 mm (0.3 inches)40%extreme
October Weather16°C (62°F)7 mm (0.3 inches)56%extreme
November Weather17°C (63°F)7 mm (0.3 inches)76%extreme
December Weather19°C (66°F)9 mm (0.3 inches)90%extreme

Compare Santa Rosa's Climate with Cities Worldwide