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September Weather in Powell, United States

Last updated: June 24, 2025

In September, the average temperature in Powell, United States is a pleasant 24°C (75°F). Temperatures can vary widely, dipping to a minimum of 11°C (52°F) and soaring up to a maximum of 35°C (96°F). Expect 109 mm (4.3 in) of precipitation over about 9 days, contributing to an average humidity of 64%. Whether you prefer the warmth or a refreshing breeze, this month offers a delightful climate for all!

September Temperature in Powell

In September in Powell, the average temperature is 24°C (75°F), with maximums reaching up to 35°C (96°F) and minimums dropping as low as 11°C (52°F). It's advisable to pack light clothing for warm days and a sweater for cooler evenings during your travels.

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

The chart illustrates September temperature patterns in Powell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Powell, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (96°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec434955617076797874655147
Data source: Temperature data for Powell 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 Powell

In Powell in September, the total precipitation amount is 109 mm (4.3 in) spread over 9 days.

September Precipitation Trends in Powell

The chart displays monthly precipitation patterns in Powell, 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 Powell, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec11119020115410414810911310913079154
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Powell

In Powell in September humidity is 64%. With average temperature 24°C (75°F), this humidity feels like a warm blanket enveloping you, making outdoor exploration both refreshing and a little sticky, perfect for leisurely strolls and shaded cafes but with a need for frequent water breaks.

September Average Humidity in Powell

This chart illustrates the average monthly humidity levels in Powell, 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 Powell is approximately 64%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%87%85%82%83%82%78%67%64%75%87%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Powell

In Powell 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 Powell.

Maximum UV Index Levels in Powell for September

The chart shows the monthly maximum UV Index (UVI) for Powell 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 Powell typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111119764
Data source: Powell 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 Powell Compares to Other Months

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

This table compares monthly weather conditions in Powell, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (44°F)111 mm (4.4 inches)87%moderate
February Weather9°C (49°F)190 mm (7.5 inches)87%high
March Weather13°C (55°F)201 mm (7.9 inches)85%very high
April Weather16°C (61°F)154 mm (6.1 inches)82%very high
May Weather21°C (71°F)104 mm (4.1 inches)83%extreme
June Weather24°C (76°F)148 mm (5.8 inches)82%extreme
July Weather26°C (79°F)109 mm (4.3 inches)78%extreme
August Weather26°C (78°F)113 mm (4.4 inches)67%extreme
September Weather24°C (75°F)109 mm (4.3 inches)64%very high
October Weather18°C (65°F)130 mm (5.1 inches)74%high
November Weather10°C (51°F)79 mm (3.1 inches)87%high
December Weather8°C (47°F)154 mm (6.0 inches)88%moderate

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