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September Weather in Santa Teresa, Peru

Last updated: August 27, 2025

In September, the average temperature in Santa Teresa, Peru hovers around 8°C (47°F), with minimums dropping to 0°C (33°F) and maximums peaking at 17°C (62°F). Expect about 102 mm (4.0 in) of precipitation over 28 days, along with an average humidity of 52%. Prepare for a month that blends a touch of chill with occasional dampness!

September Temperature in Santa Teresa

In September in Santa Teresa, the average temperature is 8°C (47°F), with maximums reaching 17°C (62°F) and minimums dropping as low as 0°C (33°F). This makes it a perfect time for travelers to enjoy outdoor activities while dressing in layers for fluctuating temperatures.

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

The chart illustrates September temperature patterns in Santa Teresa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Teresa, September typically has an average temperature of 8°C (47°F), with highs reaching up to 17°C (62°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec484949484746454546484949
Data source: Temperature data for Santa Teresa 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 Teresa

In Santa Teresa in September, the total precipitation amount is 102 mm (4.0 in) spread over 28 days.

September Precipitation Trends in Santa Teresa

The chart displays monthly precipitation patterns in Santa Teresa, 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 Teresa, September typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec25729228616069444462102174228273
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santa Teresa

In Santa Teresa in September, humidity is 52%. With an average temperature of 8°C (47°F), this humidity feels like a crisp chill that can make long walks invigorating yet refreshing, perfect for exploring the sights but requiring a light jacket to maintain comfort.

September Average Humidity in Santa Teresa

This chart illustrates the average monthly humidity levels in Santa Teresa, 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 Teresa 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 Teresa

In Santa Teresa in September, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Santa Teresa.

Maximum UV Index Levels in Santa Teresa for September

The chart shows the monthly maximum UV Index (UVI) for Santa Teresa 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 Teresa typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec191918171411131416181918
Data source: Santa Teresa 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 Teresa Compares to Other Months

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

This table compares monthly weather conditions in Santa Teresa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (49°F)257 mm (10.1 inches)93%extreme
February Weather9°C (49°F)292 mm (11.5 inches)92%extreme
March Weather9°C (49°F)286 mm (11.3 inches)92%extreme
April Weather9°C (49°F)160 mm (6.3 inches)90%extreme
May Weather8°C (47°F)69 mm (2.7 inches)85%extreme
June Weather8°C (46°F)44 mm (1.7 inches)70%extreme
July Weather7°C (46°F)43 mm (1.7 inches)54%extreme
August Weather7°C (46°F)62 mm (2.5 inches)44%extreme
September Weather8°C (47°F)102 mm (4.0 inches)52%extreme
October Weather9°C (48°F)174 mm (6.9 inches)65%extreme
November Weather10°C (50°F)228 mm (9.0 inches)81%extreme
December Weather10°C (50°F)273 mm (10.7 inches)89%extreme

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