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September Weather in Clearfield, United States

Last updated: June 24, 2025

In Clearfield, United States, the average temperature in September hovers around 18°C (64°F), with minimum temperatures dipping to 1°C (35°F) and maximums reaching up to 31°C (88°F). During this period, expect a total precipitation of approximately 118 mm (4.6 in) spread across about 11 days, accompanied by an average humidity level of 67%. Prepare accordingly for a mix of warm days and the occasional rainfall!

September Temperature in Clearfield

In September in Clearfield, the average temperature is 18°C (64°F). Maximum temperatures can reach up to 31°C (88°F), while the minimum can drop as low as 1°C (35°F). Be prepared for a wide range of temperatures, so pack accordingly for your travels!

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

The chart illustrates September temperature patterns in Clearfield, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clearfield, September typically has an average temperature of 18°C (64°F), with highs reaching up to 31°C (88°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec273137475967727064543932
Data source: Temperature data for Clearfield 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 Clearfield

In Clearfield in September, the precipitation amount is 118 mm (4.6 in) over the course of 11 days.

September Precipitation Trends in Clearfield

The chart displays monthly precipitation patterns in Clearfield, 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 Clearfield, September typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec84114951251461181181021181139098
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Clearfield

In Clearfield in September humidity is 67%. With an average temperature of 18°C (64°F), this humidity feels like a warm embrace, making travel quite comfortable but slightly sticky, encouraging lightweight clothing and the occasional refreshing break in the shade.

September Average Humidity in Clearfield

This chart illustrates the average monthly humidity levels in Clearfield, 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 Clearfield is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%90%89%88%80%79%74%64%67%81%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Clearfield

In Clearfield in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Clearfield.

Maximum UV Index Levels in Clearfield for September

The chart shows the monthly maximum UV Index (UVI) for Clearfield 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 Clearfield typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: Clearfield 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 Clearfield Compares to Other Months

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

This table compares monthly weather conditions in Clearfield, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)84 mm (3.3 inches)89%moderate
February Weather-1°C (31°F)114 mm (4.5 inches)90%moderate
March Weather3°C (38°F)95 mm (3.7 inches)89%high
April Weather9°C (48°F)125 mm (4.9 inches)88%very high
May Weather15°C (59°F)146 mm (5.8 inches)80%very high
June Weather19°C (67°F)118 mm (4.6 inches)79%very high
July Weather22°C (72°F)118 mm (4.6 inches)74%very high
August Weather21°C (70°F)102 mm (4.0 inches)64%very high
September Weather18°C (64°F)118 mm (4.6 inches)67%very high
October Weather12°C (54°F)113 mm (4.5 inches)81%high
November Weather4°C (39°F)90 mm (3.5 inches)89%moderate
December Weather0°C (33°F)98 mm (3.8 inches)88%low

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