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September Weather in Horizon West, United States

Last updated: June 24, 2025

In September, the average temperature in Horizon West, United States is a warm 27°C (81°F). Expect a comfortable minimum of 18°C (66°F) and the potential for heat with a maximum reaching 34°C (94°F). Rainfall during this month averages 184 mm (7.3 in) across approximately 20 days, creating a humid environment with an average humidity of 83%.

September Temperature in Horizon West

In September in Horizon West, the average temperature is 27°C (81°F). Maximums can reach 34°C (94°F), and minimums can be as low as 18°C (66°F). This makes it a perfect time for travelers seeking warm weather and outdoor adventures.

September Weather in Horizon West: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Horizon West, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Horizon West, September typically has an average temperature of 27°C (81°F), with highs reaching up to 34°C (94°F) and lows dropping to around 18°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec616668737781828281776863
Data source: Temperature data for Horizon West 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 Horizon West

In Horizon West in September, the total precipitation amount is 184 mm (7.3 in) spread over a period of 20 days.

September Precipitation Trends in Horizon West

The chart displays monthly precipitation patterns in Horizon West, 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 Horizon West, September typically receives around 184 mm (7.3 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec41512175102214234234185914462
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Horizon West

In Horizon West in September humidity is 83%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making sightseeing and outdoor activities feel more exhausting and requiring frequent breaks to relax in the shade or cool off.

September Average Humidity in Horizon West

This chart illustrates the average monthly humidity levels in Horizon West, 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 Horizon West is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%70%68%75%80%81%83%81%82%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Horizon West

In Horizon West in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Horizon West.

Maximum UV Index Levels in Horizon West for September

The chart shows the monthly maximum UV Index (UVI) for Horizon West 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 Horizon West typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112121111975
Data source: Horizon West 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 Horizon West Compares to Other Months

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

This table compares monthly weather conditions in Horizon West, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (61°F)41 mm (1.6 inches)83%moderate
February Weather19°C (67°F)51 mm (2.0 inches)80%very high
March Weather20°C (69°F)21 mm (0.8 inches)75%very high
April Weather23°C (73°F)75 mm (2.9 inches)70%extreme
May Weather25°C (78°F)102 mm (4.0 inches)68%extreme
June Weather27°C (81°F)214 mm (8.4 inches)75%extreme
July Weather28°C (82°F)234 mm (9.2 inches)79%extreme
August Weather28°C (82°F)234 mm (9.2 inches)81%extreme
September Weather27°C (81°F)184 mm (7.3 inches)83%extreme
October Weather25°C (77°F)91 mm (3.6 inches)81%very high
November Weather20°C (69°F)44 mm (1.7 inches)82%high
December Weather17°C (64°F)61 mm (2.4 inches)84%moderate

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