nomadseason

September Weather in San Antonio, Venezuela

Last updated: August 28, 2025

In September, the average temperature in San Antonio, Venezuela hovers around a comfortable 28°C (82°F). Expect minimums of 22°C (72°F) and maximums reaching 35°C (95°F). This month also sees a notable precipitation of 175 mm (6.9 in) over 22 days, contributing to an average humidity level of 80%. Don't forget your umbrella!

September Temperature in San Antonio

In September in San Antonio, the average temperature is 28°C (82°F), with maximums reaching 35°C (95°F) and minimums dipping as low as 22°C (72°F). This warm and pleasant climate makes it an ideal destination for travelers looking to enjoy outdoor activities and beautiful scenery.

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

The chart illustrates September temperature patterns in San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio, September typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (95°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec858888868281808182828284
Data source: Temperature data for San Antonio 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 Antonio

In San Antonio in September, the precipitation amount is 175 mm (6.9 in) over the course of 22 days.

September Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in San Antonio, 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 Antonio, September typically receives around 175 mm (6.9 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec161331012252562261961751519110
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in San Antonio

In San Antonio in September, humidity is 80%. With an average temperature of 28°C (82°F), this humidity feels like a warm, thick blanket enveloping you, making outdoor activities sweaty and demanding frequent breaks in the shade while traveling.

September Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in San Antonio, 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 Antonio is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec43%40%38%42%63%88%89%86%80%65%63%53%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Antonio

In San Antonio 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 Antonio.

Maximum UV Index Levels in San Antonio for September

The chart shows the monthly maximum UV Index (UVI) for San Antonio 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 Antonio typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315141413131313131210
Data source: San Antonio 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 Antonio Compares to Other Months

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

This table compares monthly weather conditions in San Antonio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (85°F)16 mm (0.6 inches)43%extreme
February Weather31°C (88°F)1 mm (0.0 inches)40%extreme
March Weather31°C (88°F)33 mm (1.3 inches)38%extreme
April Weather30°C (86°F)101 mm (4.0 inches)42%extreme
May Weather28°C (83°F)225 mm (8.9 inches)63%extreme
June Weather27°C (81°F)256 mm (10.1 inches)88%extreme
July Weather27°C (80°F)226 mm (8.9 inches)89%extreme
August Weather27°C (81°F)196 mm (7.7 inches)86%extreme
September Weather28°C (82°F)175 mm (6.9 inches)80%extreme
October Weather28°C (82°F)151 mm (6.0 inches)65%extreme
November Weather28°C (83°F)91 mm (3.6 inches)63%extreme
December Weather29°C (85°F)10 mm (0.4 inches)52%very high

Compare San Antonio's Climate with Cities Worldwide