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September Weather in Jeannette, United States

Last updated: June 24, 2025

In September, the average temperature in Jeannette, United States hovers around 19°C (67°F). Expect a range, with minimums dipping to 3°C (37°F) and maximums soaring up to 33°C (91°F). During this month, you'll likely encounter precipitation totaling 118 mm (4.6 in) over approximately 10 days, complemented by an average humidity of 67%.

September Temperature in Jeannette

In September in Jeannette, the average temperature is 19°C (67°F), with maximums reaching up to 33°C (91°F) and minimums dipping as low as 3°C (37°F). This comfortable climate makes it an ideal time for travelers to explore the diverse attractions that Jeannette has to offer.

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

The chart illustrates September temperature patterns in Jeannette, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jeannette, September typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (91°F) and lows dropping to around 3°C (37°F).
JanFebMarAprMayJunJulAugSepOctNovDec313541516269747267574236
Data source: Temperature data for Jeannette 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 Jeannette

In Jeannette in September, the total precipitation amount is 118 mm (4.6 in) over a span of 10 days.

September Precipitation Trends in Jeannette

The chart displays monthly precipitation patterns in Jeannette, 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 Jeannette, September typically receives around 118 mm (4.6 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec931311151301561561319011811893113
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Jeannette

In Jeannette in September, humidity is 67%. With an average temperature of 19°C (67°F), this humidity feels like walking through a warm, soft blanket, making sightseeing and outdoor activities a bit more challenging but still enjoyable for those prepared with light clothing and plenty of hydration.

September Average Humidity in Jeannette

This chart illustrates the average monthly humidity levels in Jeannette, 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 Jeannette 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 Jeannette

In Jeannette 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 Jeannette.

Maximum UV Index Levels in Jeannette for September

The chart shows the monthly maximum UV Index (UVI) for Jeannette 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 Jeannette typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098642
Data source: Jeannette 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 Jeannette Compares to Other Months

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

This table compares monthly weather conditions in Jeannette, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)93 mm (3.7 inches)89%moderate
February Weather2°C (35°F)131 mm (5.1 inches)90%moderate
March Weather5°C (41°F)115 mm (4.5 inches)89%high
April Weather11°C (51°F)130 mm (5.1 inches)88%very high
May Weather16°C (62°F)156 mm (6.1 inches)80%very high
June Weather21°C (69°F)156 mm (6.1 inches)79%very high
July Weather23°C (74°F)131 mm (5.2 inches)74%very high
August Weather22°C (72°F)90 mm (3.5 inches)64%very high
September Weather19°C (67°F)118 mm (4.6 inches)67%very high
October Weather14°C (57°F)117 mm (4.6 inches)81%high
November Weather5°C (42°F)93 mm (3.7 inches)89%moderate
December Weather2°C (36°F)113 mm (4.4 inches)88%low

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