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September Weather in Santo Tome, Argentina

Last updated: August 22, 2025

In September, the average temperature in Santo Tome, Argentina hovers around 16°C (62°F). Expect a range of 2°C (35°F) at its coolest, soaring up to 35°C (95°F) during the warmest days. Alongside this mild climate, you'll encounter approximately 51 mm (2.0 in) of precipitation spread over about 5 days, with an average humidity of 59%.

September Temperature in Santo Tome

In September in Santo Tome, the average temperature is 16°C (62°F), with maximums reaching up to 35°C (95°F) and minimums dropping as low as 2°C (35°F). This variation makes it essential for travelers to pack accordingly for a range of temperatures.

September Weather in Santo Tome: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Santo Tome, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santo Tome, September typically has an average temperature of 16°C (62°F), with highs reaching up to 35°C (95°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec787672676055535662667276
Data source: Temperature data for Santo Tome 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 Santo Tome

In Santo Tome in September, the precipitation amount is 51 mm (2.0 in) over a period of 5 days.

September Precipitation Trends in Santo Tome

The chart displays monthly precipitation patterns in Santo Tome, 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 Santo Tome, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec1256110510383453628511087597
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Santo Tome

In Santo Tome in September, humidity is 59%. With an average temperature of 16°C (62°F), this humidity feels like a refreshing embrace that adds a layer of comfort, making it ideal for leisurely exploration and outdoor activities.

September Average Humidity in Santo Tome

This chart illustrates the average monthly humidity levels in Santo Tome, 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 Santo Tome is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%57%65%76%83%78%58%54%59%50%53%57%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Santo Tome

In Santo Tome in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Santo Tome.

Maximum UV Index Levels in Santo Tome for September

The chart shows the monthly maximum UV Index (UVI) for Santo Tome 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 Santo Tome typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311864569111414
Data source: Santo Tome 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 Santo Tome Compares to Other Months

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

This table compares monthly weather conditions in Santo Tome, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)125 mm (4.9 inches)51%extreme
February Weather24°C (76°F)61 mm (2.4 inches)57%extreme
March Weather22°C (72°F)105 mm (4.1 inches)65%extreme
April Weather20°C (68°F)103 mm (4.1 inches)76%very high
May Weather15°C (60°F)83 mm (3.3 inches)83%high
June Weather13°C (55°F)45 mm (1.8 inches)78%moderate
July Weather12°C (53°F)36 mm (1.4 inches)58%moderate
August Weather14°C (57°F)27 mm (1.1 inches)54%high
September Weather16°C (62°F)51 mm (2.0 inches)59%very high
October Weather19°C (66°F)108 mm (4.2 inches)50%extreme
November Weather22°C (72°F)75 mm (2.9 inches)53%extreme
December Weather24°C (76°F)97 mm (3.8 inches)57%extreme

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