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September Weather in Westcliffe, United States

Last updated: June 24, 2025

In September, the average temperature in Westcliffe, United States hovers around 15°C (59°F). Temperatures can swing from a chilly -5°C (24°F) to a warm 30°C (87°F), making it a month of contrasts. Expect about 42 mm (1.7 in) of precipitation spread over 7 days, while the average humidity sits at a comfortable 65%.

September Temperature in Westcliffe

In September in Westcliffe, the average temperature is 15°C (59°F). Maximums can reach 30°C (87°F) while minimums can dip as low as -5°C (24°F). This diverse temperature range makes Westcliffe an ideal destination for travelers seeking both warm days and cool evenings.

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

The chart illustrates September temperature patterns in Westcliffe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Westcliffe, September typically has an average temperature of 15°C (59°F), with highs reaching up to 30°C (87°F) and lows dropping to around -5°C (24°F).
JanFebMarAprMayJunJulAugSepOctNovDec212132405062666458433224
Data source: Temperature data for Westcliffe 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 Westcliffe

In Westcliffe in September, the total precipitation amount is 42 mm (1.7 in) over the course of 7 days.

September Precipitation Trends in Westcliffe

The chart displays monthly precipitation patterns in Westcliffe, 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 Westcliffe, September typically receives around 42 mm (1.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec212839417434704242352119
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Westcliffe

In Westcliffe in September humidity is 65%. With an average temperature of 15°C (59°F), this humidity feels like a pleasantly mild atmosphere, making it ideal for exploring the city, though occasional warmth might prompt you to seek shade during midday.

September Average Humidity in Westcliffe

This chart illustrates the average monthly humidity levels in Westcliffe, 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 Westcliffe is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%76%67%58%52%56%65%76%82%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Westcliffe

In Westcliffe in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Westcliffe.

Maximum UV Index Levels in Westcliffe for September

The chart shows the monthly maximum UV Index (UVI) for Westcliffe 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 Westcliffe typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4710121313131210754
Data source: Westcliffe 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 Westcliffe Compares to Other Months

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

This table compares monthly weather conditions in Westcliffe, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)21 mm (0.8 inches)88%moderate
February Weather-6°C (22°F)28 mm (1.1 inches)87%high
March Weather0°C (32°F)39 mm (1.5 inches)81%very high
April Weather5°C (40°F)41 mm (1.6 inches)76%extreme
May Weather10°C (50°F)74 mm (2.9 inches)66%extreme
June Weather17°C (62°F)34 mm (1.3 inches)58%extreme
July Weather19°C (66°F)70 mm (2.8 inches)52%extreme
August Weather18°C (65°F)42 mm (1.7 inches)56%extreme
September Weather15°C (59°F)42 mm (1.7 inches)65%very high
October Weather6°C (44°F)35 mm (1.4 inches)76%high
November Weather0°C (33°F)21 mm (0.8 inches)82%moderate
December Weather-5°C (24°F)19 mm (0.8 inches)89%moderate

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