nomadseason

September Weather in San Jacinto, Peru

Last updated: August 27, 2025

In September, the average temperature in San Jacinto, Peru is a pleasant 20°C (69°F). Temperatures can dip to a minimum of 15°C (59°F) and soar to a maximum of 30°C (86°F). You'll experience light precipitation, with only 2 mm (0.1 in) expected over 0 days, and the average humidity sits at a comfortable 75%. Enjoy the delightful weather!

September Temperature in San Jacinto

In September in San Jacinto, the average temperature is 20°C (69°F). The maximum can reach 30°C (86°F), while the minimum can drop to as low as 15°C (59°F). This pleasant climate makes San Jacinto an ideal destination for travelers looking to enjoy mild and comfortable weather.

September Weather in San Jacinto: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Jacinto, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Jacinto, September typically has an average temperature of 20°C (69°F), with highs reaching up to 30°C (86°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec787980787572696869707074
Data source: Temperature data for San Jacinto 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 San Jacinto

In San Jacinto in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

September Precipitation Trends in San Jacinto

The chart displays monthly precipitation patterns in San Jacinto, 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 San Jacinto, September typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec177712228821025516
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in San Jacinto

In San Jacinto in September, humidity is 75%. With an average temperature of 20°C (69°F), this humidity feels like a warm, enveloping blanket, making travel a bit muggy and requiring frequent hydration breaks to stay comfortable while exploring.

September Average Humidity in San Jacinto

This chart illustrates the average monthly humidity levels in San Jacinto, 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 San Jacinto is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%87%86%89%84%71%71%75%77%79%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Jacinto

In San Jacinto 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 San Jacinto.

Maximum UV Index Levels in San Jacinto for September

The chart shows the monthly maximum UV Index (UVI) for San Jacinto 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 San Jacinto typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516151311111213131313
Data source: San Jacinto 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 San Jacinto Compares to Other Months

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

This table compares monthly weather conditions in San Jacinto, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)17 mm (0.7 inches)89%extreme
February Weather26°C (80°F)77 mm (3.0 inches)87%extreme
March Weather27°C (80°F)122 mm (4.8 inches)87%extreme
April Weather26°C (78°F)28 mm (1.1 inches)86%extreme
May Weather24°C (75°F)8 mm (0.3 inches)89%extreme
June Weather22°C (72°F)2 mm (0.1 inches)84%extreme
July Weather21°C (70°F)1 mm (0.0 inches)71%extreme
August Weather20°C (69°F)0 mm (0.0 inches)71%extreme
September Weather20°C (69°F)2 mm (0.1 inches)75%extreme
October Weather21°C (70°F)5 mm (0.2 inches)77%extreme
November Weather21°C (71°F)5 mm (0.2 inches)79%extreme
December Weather23°C (74°F)16 mm (0.6 inches)86%extreme

Compare San Jacinto's Climate with Cities Worldwide