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September Weather in Coal Creek, United States

Last updated: June 24, 2025

In September, the average temperature in Coal Creek, United States is a comfortable 12°C (53°F). Visitors can expect temperature fluctuations, with a chilly minimum of -8°C (19°F) and a warm maximum reaching 29°C (84°F). The region experiences 47 mm (1.8 in) of precipitation spread over 10 days, accompanied by an average humidity of 65%.

September Temperature in Coal Creek

In September in Coal Creek, the average temperature is 12°C (53°F), with maximums reaching 29°C (84°F) and minimums dropping as low as -8°C (19°F). It’s advisable to pack layers to accommodate the varying temperatures during your travels.

September Weather in Coal Creek: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Coal Creek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Coal Creek, September typically has an average temperature of 12°C (53°F), with highs reaching up to 29°C (84°F) and lows dropping to around -8°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec212028334255605953383023
Data source: Temperature data for Coal Creek 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 Coal Creek

In Coal Creek in September, the total precipitation amount is 47 mm (1.8 in) spread over a period of 10 days.

September Precipitation Trends in Coal Creek

The chart displays monthly precipitation patterns in Coal Creek, 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 Coal Creek, September typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec27446568139921108147503224
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Coal Creek

In Coal Creek in September, humidity is 65%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that can make traveling uncomfortable, often requiring extra layers and frequent breaks indoors to warm up.

September Average Humidity in Coal Creek

This chart illustrates the average monthly humidity levels in Coal Creek, 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 Coal Creek 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 Coal Creek

In Coal Creek 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 Coal Creek.

Maximum UV Index Levels in Coal Creek for September

The chart shows the monthly maximum UV Index (UVI) for Coal Creek 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 Coal Creek typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469121213121210754
Data source: Coal Creek 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 Coal Creek Compares to Other Months

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

This table compares monthly weather conditions in Coal Creek, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (21°F)27 mm (1.0 inches)88%moderate
February Weather-7°C (20°F)44 mm (1.7 inches)87%high
March Weather-2°C (29°F)65 mm (2.6 inches)81%very high
April Weather1°C (33°F)68 mm (2.7 inches)76%extreme
May Weather6°C (42°F)139 mm (5.5 inches)66%extreme
June Weather13°C (55°F)91 mm (3.6 inches)58%extreme
July Weather16°C (60°F)110 mm (4.3 inches)52%extreme
August Weather15°C (59°F)81 mm (3.2 inches)56%extreme
September Weather12°C (53°F)47 mm (1.8 inches)65%very high
October Weather3°C (38°F)50 mm (2.0 inches)76%high
November Weather-1°C (30°F)32 mm (1.2 inches)82%moderate
December Weather-5°C (23°F)24 mm (1.0 inches)89%moderate

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