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September Weather in Ponderay, United States

Last updated: June 24, 2025

In Ponderay, United States, the average temperature in September hovers around 16°C (61°F). Expect a range from a chilly 2°C (36°F) to a warm 32°C (90°F), offering a little something for everyone. During this month, precipitation totals 58 mm (2.3 in) over approximately 7 days, contributing to an average humidity of 71%. Stay prepared for a delightful mix of weather!

September Temperature in Ponderay

In September in Ponderay, the average temperature is 16°C (61°F). Maximums can reach 32°C (90°F), while minimums can drop as low as 2°C (36°F). This diverse temperature range makes it essential for travelers to pack both light clothing for daytime excursions and warmer layers for cooler evenings.

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

The chart illustrates September temperature patterns in Ponderay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ponderay, September typically has an average temperature of 16°C (61°F), with highs reaching up to 32°C (90°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec312836435360707161483933
Data source: Temperature data for Ponderay 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 Ponderay

In Ponderay in September, the precipitation amount is 58 mm (2.3 in) over the course of 7 days.

September Precipitation Trends in Ponderay

The chart displays monthly precipitation patterns in Ponderay, 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 Ponderay, September typically receives around 58 mm (2.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1181158983593682758106132145
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ponderay

In Ponderay in September humidity is 71%. With an average temperature of 16°C (61°F), this humidity feels like walking through a warm, damp blanket, making travel slightly uncomfortable but still enjoyable for those who appreciate mild weather.

September Average Humidity in Ponderay

This chart illustrates the average monthly humidity levels in Ponderay, 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 Ponderay is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%91%88%83%80%82%71%71%85%90%96%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ponderay

In Ponderay in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Ponderay.

Maximum UV Index Levels in Ponderay for September

The chart shows the monthly maximum UV Index (UVI) for Ponderay 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 Ponderay typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec246789997432
Data source: Ponderay 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 Ponderay Compares to Other Months

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

This table compares monthly weather conditions in Ponderay, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)118 mm (4.6 inches)95%low
February Weather-2°C (29°F)115 mm (4.5 inches)93%moderate
March Weather2°C (36°F)89 mm (3.5 inches)91%high
April Weather6°C (43°F)83 mm (3.3 inches)88%high
May Weather11°C (53°F)59 mm (2.3 inches)83%very high
June Weather16°C (60°F)36 mm (1.4 inches)80%very high
July Weather21°C (70°F)8 mm (0.3 inches)82%very high
August Weather22°C (71°F)27 mm (1.1 inches)71%very high
September Weather16°C (61°F)58 mm (2.3 inches)71%high
October Weather9°C (48°F)106 mm (4.2 inches)85%moderate
November Weather4°C (39°F)132 mm (5.2 inches)90%moderate
December Weather1°C (33°F)145 mm (5.7 inches)96%low

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