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September Weather in Edinburg, United States

Last updated: June 24, 2025

In September, the average temperature in Edinburg, United States hovers around 20°C (68°F), making it quite pleasant. However, be prepared for temperature fluctuations, with minimums dipping to 3°C (37°F) and maximums soaring up to 34°C (93°F). Expect around 106 mm (4.2 in) of precipitation spread over 11 days, while the average humidity level sits at a comfortable 68%.

September Temperature in Edinburg

In September, in Edinburg, the average temperature is 20°C (68°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 3°C (37°F). This makes Edinburg a great destination for travelers looking to enjoy mild weather with the possibility of warm afternoons and cool evenings.

September Weather in Edinburg: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Edinburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Edinburg, September typically has an average temperature of 20°C (68°F), with highs reaching up to 34°C (93°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec343944546371777468584338
Data source: Temperature data for Edinburg 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 Edinburg

In Edinburg in September, the precipitation amount is 106 mm (4.2 in) spread over a duration of 11 days.

September Precipitation Trends in Edinburg

The chart displays monthly precipitation patterns in Edinburg, 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 Edinburg, September typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec589275103121120981231061027983
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Edinburg

In Edinburg in September humidity is 68%. With an average temperature of 20°C (68°F), this humidity feels like a warm embrace, making it ideal for leisurely strolls while also prompting travelers to stay hydrated and seek out refreshing breaks from the heat.

September Average Humidity in Edinburg

This chart illustrates the average monthly humidity levels in Edinburg, 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 Edinburg is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%84%78%79%70%59%68%80%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Edinburg

In Edinburg 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 Edinburg.

Maximum UV Index Levels in Edinburg for September

The chart shows the monthly maximum UV Index (UVI) for Edinburg 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 Edinburg typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec35710111010108753
Data source: Edinburg 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 Edinburg Compares to Other Months

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

This table compares monthly weather conditions in Edinburg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)58 mm (2.3 inches)86%moderate
February Weather4°C (39°F)92 mm (3.6 inches)86%moderate
March Weather7°C (44°F)75 mm (3.0 inches)86%high
April Weather12°C (54°F)103 mm (4.1 inches)84%very high
May Weather17°C (64°F)121 mm (4.8 inches)78%extreme
June Weather22°C (71°F)120 mm (4.7 inches)79%very high
July Weather25°C (77°F)98 mm (3.9 inches)70%very high
August Weather23°C (74°F)123 mm (4.8 inches)59%very high
September Weather20°C (68°F)106 mm (4.2 inches)68%very high
October Weather15°C (59°F)102 mm (4.0 inches)80%high
November Weather6°C (44°F)79 mm (3.1 inches)86%moderate
December Weather3°C (38°F)83 mm (3.3 inches)85%moderate

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