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September Weather in San Ramon, Uruguay

Last updated: August 28, 2025

In San Ramon, Uruguay, the average temperature in September hovers around 14°C (58°F), with a range that can dip to a chilly 1°C (35°F) and rise to a warm 29°C (85°F). Be prepared for some wet days, as you can expect 97 mm (3.8 in) of precipitation over approximately 8 days. Additionally, the average humidity is quite high at 76%, creating a potentially muggy atmosphere.

September Temperature in San Ramon

In September in San Ramon, the average temperature is 14°C (58°F). The maximum can reach 29°C (85°F), while the minimum can drop as low as 1°C (35°F). This varied climate makes San Ramon an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates September temperature patterns in San Ramon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Ramon, September typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (85°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec747269655753525457616772
Data source: Temperature data for San Ramon 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 San Ramon

In San Ramon in September, the total precipitation amount is 97 mm (3.8 in), occurring over a span of 8 days.

September Precipitation Trends in San Ramon

The chart displays monthly precipitation patterns in San Ramon, 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 Ramon, September typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec771017781104120959097966866
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Ramon

In San Ramon in September humidity is 76%. With an average temperature of 14°C (58°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor activities feel sticky and draining, and prompting travelers to seek shade and stay hydrated often.

September Average Humidity in San Ramon

This chart illustrates the average monthly humidity levels in San Ramon, 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 Ramon is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%69%73%79%83%80%72%72%76%71%68%65%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Ramon

In San Ramon in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in San Ramon.

Maximum UV Index Levels in San Ramon for September

The chart shows the monthly maximum UV Index (UVI) for San Ramon 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 Ramon typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311754468111314
Data source: San Ramon 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 Ramon Compares to Other Months

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

This table compares monthly weather conditions in San Ramon, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)77 mm (3.0 inches)63%extreme
February Weather22°C (73°F)101 mm (4.0 inches)69%extreme
March Weather21°C (69°F)77 mm (3.0 inches)73%extreme
April Weather18°C (65°F)81 mm (3.2 inches)79%high
May Weather14°C (58°F)104 mm (4.1 inches)82%moderate
June Weather12°C (54°F)120 mm (4.7 inches)80%moderate
July Weather11°C (52°F)95 mm (3.8 inches)72%moderate
August Weather12°C (54°F)90 mm (3.5 inches)72%high
September Weather14°C (58°F)97 mm (3.8 inches)76%very high
October Weather16°C (61°F)96 mm (3.8 inches)71%extreme
November Weather19°C (67°F)68 mm (2.7 inches)68%extreme
December Weather22°C (72°F)66 mm (2.6 inches)65%extreme

Compare San Ramon's Climate with Cities Worldwide