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September Weather in San Mateo, Venezuela

Last updated: August 28, 2025

In September, the average temperature in San Mateo, Venezuela is a warm 28°C (82°F), with daytime highs reaching up to 38°C (101°F) and lows dropping to 22°C (71°F). Expect moderate precipitation totaling 142 mm (5.6 in) over 20 days, while the average humidity hovers around 63%—perfect for a tropical escape!

September Temperature in San Mateo

In September in San Mateo, the average temperature is 28°C (82°F). The maximum can reach 38°C (101°F), and the minimum can be as low as 22°C (71°F). Be prepared for warm weather and pack accordingly for your travels!

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

The chart illustrates September temperature patterns in San Mateo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Mateo, September typically has an average temperature of 28°C (82°F), with highs reaching up to 38°C (101°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec818283858482818182828282
Data source: Temperature data for San Mateo 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 Mateo

In San Mateo in September, the precipitation amount is 142 mm (5.6 in) spread over 20 days.

September Precipitation Trends in San Mateo

The chart displays monthly precipitation patterns in San Mateo, 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 Mateo, September typically receives around 142 mm (5.6 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec237251763110168169142917844
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Mateo

In San Mateo in September humidity is 63%. With an average temperature of 28°C (82°F), this humidity feels like a warm, enveloping blanket, making outdoor exploration sticky yet exhilarating, requiring frequent breaks for hydration and a refreshing dip.

September Average Humidity in San Mateo

This chart illustrates the average monthly humidity levels in San Mateo, 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 Mateo is approximately 63%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec54%53%51%50%50%64%82%72%63%53%56%55%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Mateo

In San Mateo in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Mateo, you can check here.

Maximum UV Index Levels in San Mateo for September

The chart shows the monthly maximum UV Index (UVI) for San Mateo 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 Mateo typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111315151413131314131210
Data source: San Mateo 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 Mateo Compares to Other Months

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

This table compares monthly weather conditions in San Mateo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)23 mm (0.9 inches)54%extreme
February Weather28°C (82°F)7 mm (0.3 inches)53%extreme
March Weather28°C (83°F)25 mm (1.0 inches)51%extreme
April Weather29°C (85°F)17 mm (0.7 inches)50%extreme
May Weather29°C (85°F)63 mm (2.5 inches)50%extreme
June Weather28°C (83°F)110 mm (4.3 inches)64%extreme
July Weather27°C (81°F)168 mm (6.6 inches)82%extreme
August Weather27°C (81°F)169 mm (6.7 inches)72%extreme
September Weather28°C (82°F)142 mm (5.6 inches)63%extreme
October Weather28°C (83°F)91 mm (3.6 inches)53%extreme
November Weather28°C (82°F)78 mm (3.1 inches)56%extreme
December Weather28°C (82°F)44 mm (1.7 inches)55%very high

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