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September Weather in Walsenburg, United States

Last updated: June 24, 2025

In September, the average temperature in Walsenburg, United States is a comfortable 18°C (64°F). However, be prepared for a range—from a chilly -3°C (26°F) to a warm 34°C (93°F). Expect around 39 mm (1.5 in) of precipitation over 5 days, accompanied by a high average humidity of 80%.

September Temperature in Walsenburg

In September in Walsenburg, the average temperature is 18°C (64°F). Maximum temperatures can reach 34°C (93°F), while minimums can dip as low as -3°C (26°F). Visitors should be prepared for a wide range of weather conditions during this time.

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

The chart illustrates September temperature patterns in Walsenburg, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Walsenburg, September typically has an average temperature of 18°C (64°F), with highs reaching up to 34°C (93°F) and lows dropping to around -3°C (26°F).
JanFebMarAprMayJunJulAugSepOctNovDec293040465567716964493931
Data source: Temperature data for Walsenburg 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 Walsenburg

In Walsenburg in September, the precipitation amount is 39 mm (1.5 in) spread over a duration of 5 days.

September Precipitation Trends in Walsenburg

The chart displays monthly precipitation patterns in Walsenburg, 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 Walsenburg, September typically receives around 39 mm (1.5 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec252141528534605939321420
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Walsenburg

In Walsenburg in September humidity is 80%. With an average temperature of 18°C (64°F), this humidity feels like a warm, damp blanket wrapping around you, making travel a bit more exhausting as the air thickens and the heat clings to your skin.

September Average Humidity in Walsenburg

This chart illustrates the average monthly humidity levels in Walsenburg, 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 Walsenburg is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%76%64%61%71%75%75%80%80%78%76%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Walsenburg

In Walsenburg 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 Walsenburg.

Maximum UV Index Levels in Walsenburg for September

The chart shows the monthly maximum UV Index (UVI) for Walsenburg 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 Walsenburg typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111213131210754
Data source: Walsenburg 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 Walsenburg Compares to Other Months

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

This table compares monthly weather conditions in Walsenburg, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)25 mm (1.0 inches)73%moderate
February Weather-1°C (31°F)21 mm (0.8 inches)76%high
March Weather4°C (40°F)41 mm (1.6 inches)64%very high
April Weather8°C (46°F)52 mm (2.0 inches)61%extreme
May Weather13°C (56°F)85 mm (3.3 inches)71%extreme
June Weather20°C (68°F)34 mm (1.3 inches)75%extreme
July Weather22°C (71°F)60 mm (2.4 inches)75%extreme
August Weather21°C (70°F)59 mm (2.3 inches)80%extreme
September Weather18°C (64°F)39 mm (1.5 inches)80%very high
October Weather9°C (49°F)32 mm (1.2 inches)78%high
November Weather4°C (40°F)14 mm (0.6 inches)76%moderate
December Weather-1°C (31°F)20 mm (0.8 inches)78%moderate

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