September Weather in Santa Cruz, Peru

Last updated: August 27, 2025

In September, the average temperature in Santa Cruz, Peru hovers around 27°C (80°F), making it quite a pleasant time of year. Expect temperatures to vary, with a minimum of 20°C (69°F) and a maximum reaching up to 36°C (96°F). Be prepared for some rain, as precipitation averages 167 mm (6.6 in) over 18 days, contributing to an average humidity level of 49%.

September Temperature in Santa Cruz

In September in Santa Cruz, the average temperature is 27°C (80°F). Maximums can reach 36°C (96°F) and minimums can be as low as 20°C (69°F). This range makes Santa Cruz an ideal destination for travelers seeking warm weather and comfortable conditions.

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

The chart illustrates September temperature patterns in Santa Cruz, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Cruz, September typically has an average temperature of 27°C (80°F), with highs reaching up to 36°C (96°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec798079797978787980808080
Data source: Temperature data for Santa Cruz 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 Cruz

In Santa Cruz in September, the total precipitation amount is 167 mm (6.6 in) spread over 18 days.

September Precipitation Trends in Santa Cruz

The chart displays monthly precipitation patterns in Santa Cruz, 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 Cruz, September typically receives around 167 mm (6.6 inches) of precipitation spread over approximately 18 days.
JanFebMarAprMayJunJulAugSepOctNovDec245219315283228181124119167193274268
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Cruz

In Santa Cruz in September, humidity is 49%. With an average temperature of 27°C (80°F), this humidity feels like a warm embrace, making it comfortable for exploring but occasionally causing a light sheen of sweat. Travelers may want to dress in breathable fabrics to fully enjoy the sights without feeling sticky.

September Average Humidity in Santa Cruz

This chart illustrates the average monthly humidity levels in Santa Cruz, 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 Cruz is approximately 49%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%76%79%86%89%75%60%50%49%60%74%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Cruz

In Santa Cruz in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Santa Cruz, you can check here.

Maximum UV Index Levels in Santa Cruz for September

The chart shows the monthly maximum UV Index (UVI) for Santa Cruz 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 Cruz typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151517161312111314151413
Data source: Santa Cruz 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 Cruz Compares to Other Months

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

This table compares monthly weather conditions in Santa Cruz, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)245 mm (9.6 inches)75%extreme
February Weather27°C (80°F)219 mm (8.6 inches)76%extreme
March Weather26°C (79°F)315 mm (12.4 inches)79%extreme
April Weather26°C (79°F)283 mm (11.1 inches)86%extreme
May Weather26°C (79°F)228 mm (9.0 inches)88%extreme
June Weather26°C (79°F)181 mm (7.1 inches)75%extreme
July Weather25°C (78°F)124 mm (4.9 inches)60%extreme
August Weather26°C (79°F)119 mm (4.7 inches)50%extreme
September Weather27°C (80°F)167 mm (6.6 inches)49%extreme
October Weather27°C (80°F)193 mm (7.6 inches)60%extreme
November Weather27°C (80°F)274 mm (10.8 inches)74%extreme
December Weather27°C (80°F)268 mm (10.6 inches)85%extreme

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