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September Weather in Ennis, United States

Last updated: June 24, 2025

In September, the average temperature in Ennis, United States hovers around 12°C (53°F), with possible dips to a chilling -6°C (21°F) and peaks reaching a warm 32°C (89°F). Expect 46 mm (1.8 in) of precipitation spread over 6 days, contributing to an average humidity level of 67%. Prepare for a mix of weather as you explore!

September Temperature in Ennis

In September in Ennis, the average temperature is 12°C (53°F). The maximum can reach 32°C (89°F), and the minimum can be as low as -6°C (21°F). This diverse range of temperatures makes it essential for travelers to prepare for both warm and chilly weather conditions.

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

The chart illustrates September temperature patterns in Ennis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ennis, September typically has an average temperature of 12°C (53°F), with highs reaching up to 32°C (89°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec191828344455646253362719
Data source: Temperature data for Ennis 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 Ennis

In Ennis in September, the precipitation amount is 46 mm (1.8 in) over a span of 6 days.

September Precipitation Trends in Ennis

The chart displays monthly precipitation patterns in Ennis, 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 Ennis, September typically receives around 46 mm (1.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec305645698282263146634138
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ennis

In Ennis in September humidity is 67%. With an average temperature of 12°C (53°F), this humidity feels like a cool, brisk embrace that can be refreshing but also slightly damp, making outdoor activities enjoyable yet requiring a light jacket to stay comfortable while exploring.

September Average Humidity in Ennis

This chart illustrates the average monthly humidity levels in Ennis, 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 Ennis is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%92%90%83%79%76%74%69%67%72%89%94%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ennis

In Ennis 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 Ennis.

Maximum UV Index Levels in Ennis for September

The chart shows the monthly maximum UV Index (UVI) for Ennis 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 Ennis typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111211109642
Data source: Ennis 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 Ennis Compares to Other Months

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

This table compares monthly weather conditions in Ennis, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (20°F)30 mm (1.2 inches)93%moderate
February Weather-8°C (18°F)56 mm (2.2 inches)92%moderate
March Weather-2°C (29°F)45 mm (1.8 inches)89%high
April Weather1°C (34°F)69 mm (2.7 inches)83%very high
May Weather7°C (45°F)82 mm (3.2 inches)79%extreme
June Weather13°C (56°F)82 mm (3.2 inches)76%extreme
July Weather18°C (64°F)26 mm (1.0 inches)74%extreme
August Weather17°C (62°F)31 mm (1.2 inches)69%very high
September Weather12°C (53°F)46 mm (1.8 inches)67%very high
October Weather2°C (36°F)62 mm (2.5 inches)72%high
November Weather-3°C (27°F)41 mm (1.6 inches)89%moderate
December Weather-7°C (20°F)38 mm (1.5 inches)94%low

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