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September Weather in Santa Ana, Peru

Last updated: August 27, 2025

In September, the average temperature in Santa Ana, Peru settles at a mild 16°C (62°F). Visitors can expect temperatures to range from a cool 7°C (44°F) to a warm 25°C (78°F). With an average precipitation of 89 mm (3.5 in) spread over 21 days, and humidity hovering around 52%, it's wise to pack accordingly for a blend of comfortable and changeable weather.

September Temperature in Santa Ana

In September in Santa Ana, the average temperature is 16°C (62°F). The maximum can reach 25°C (78°F), while the minimum can dip as low as 7°C (44°F). This makes it an ideal time for travelers seeking mild weather and pleasant conditions for outdoor activities.

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

The chart illustrates September temperature patterns in Santa Ana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Ana, September typically has an average temperature of 16°C (62°F), with highs reaching up to 25°C (78°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec626262626160596062636363
Data source: Temperature data for Santa Ana 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 Ana

In Santa Ana in September, the precipitation amount is 89 mm (3.5 in) spread over 21 days.

September Precipitation Trends in Santa Ana

The chart displays monthly precipitation patterns in Santa Ana, 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 Ana, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec37345736821412678597589214353421
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Ana

In Santa Ana in September humidity is 52%. With an average temperature of 16°C (62°F), this humidity feels like a pleasant, mild embrace, making it ideal for comfortable sightseeing and leisurely walks.

September Average Humidity in Santa Ana

This chart illustrates the average monthly humidity levels in Santa Ana, 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 Ana is approximately 52%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%92%90%85%70%55%44%52%65%81%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santa Ana

In Santa Ana in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Santa Ana.

Maximum UV Index Levels in Santa Ana for September

The chart shows the monthly maximum UV Index (UVI) for Santa Ana 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 Ana typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec171817161311121315161717
Data source: Santa Ana 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 Ana Compares to Other Months

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

This table compares monthly weather conditions in Santa Ana, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)373 mm (14.7 inches)93%extreme
February Weather17°C (63°F)457 mm (18.0 inches)92%extreme
March Weather17°C (63°F)368 mm (14.5 inches)92%extreme
April Weather17°C (62°F)214 mm (8.4 inches)90%extreme
May Weather16°C (61°F)126 mm (5.0 inches)85%extreme
June Weather16°C (61°F)78 mm (3.1 inches)70%extreme
July Weather15°C (59°F)59 mm (2.3 inches)54%extreme
August Weather15°C (60°F)75 mm (3.0 inches)44%extreme
September Weather16°C (62°F)89 mm (3.5 inches)52%extreme
October Weather17°C (63°F)214 mm (8.4 inches)65%extreme
November Weather17°C (63°F)353 mm (13.9 inches)81%extreme
December Weather17°C (63°F)421 mm (16.6 inches)89%extreme

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