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September Weather in Mount Sterling, United States

Last updated: June 24, 2025

In Mount Sterling, United States, the weather in September brings an average temperature of 22°C (71°F). Expect a varied range, with minimums dipping to 7°C (46°F) and maximums soaring up to 36°C (96°F). This month also features 117 mm (4.6 in) of precipitation over approximately 9 days, contributing to a comfortable average humidity of 67%. A delightful mix of warmth and moisture awaits!

September Temperature in Mount Sterling

In September in Mount Sterling, the average temperature is 22°C (71°F). Maximums can reach 36°C (96°F), and minimums can be as low as 7°C (46°F). This variation makes Mount Sterling an ideal destination for travelers seeking a warm getaway while still having opportunities for cooler evening experiences.

September Weather in Mount Sterling: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mount Sterling, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Sterling, September typically has an average temperature of 22°C (71°F), with highs reaching up to 36°C (96°F) and lows dropping to around 7°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec364148566773777571604541
Data source: Temperature data for Mount Sterling 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 Mount Sterling

In Mount Sterling in September, the total precipitation amount is 117 mm (4.6 in) spread over a period of 9 days.

September Precipitation Trends in Mount Sterling

The chart displays monthly precipitation patterns in Mount Sterling, 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 Mount Sterling, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec971411261351231729610711811181129
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mount Sterling

In Mount Sterling in September, humidity is 67%. With an average temperature of 22°C (71°F), this humidity feels like a warm embrace, making outdoor activities enjoyable yet slightly uncomfortable, as the air hangs thick, reminding travelers to stay hydrated and seek shade during the midday sun.

September Average Humidity in Mount Sterling

This chart illustrates the average monthly humidity levels in Mount Sterling, 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 Mount Sterling is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%87%84%84%83%79%66%67%76%89%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mount Sterling

In Mount Sterling 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 Mount Sterling.

Maximum UV Index Levels in Mount Sterling for September

The chart shows the monthly maximum UV Index (UVI) for Mount Sterling 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 Mount Sterling typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010109753
Data source: Mount Sterling 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 Mount Sterling Compares to Other Months

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

This table compares monthly weather conditions in Mount Sterling, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)97 mm (3.8 inches)88%moderate
February Weather5°C (41°F)141 mm (5.5 inches)88%moderate
March Weather9°C (48°F)126 mm (5.0 inches)87%high
April Weather13°C (56°F)134 mm (5.3 inches)84%very high
May Weather19°C (67°F)123 mm (4.8 inches)84%very high
June Weather23°C (73°F)172 mm (6.8 inches)83%very high
July Weather25°C (78°F)96 mm (3.8 inches)79%very high
August Weather24°C (76°F)107 mm (4.2 inches)66%very high
September Weather22°C (71°F)117 mm (4.6 inches)67%very high
October Weather16°C (60°F)111 mm (4.4 inches)76%high
November Weather7°C (46°F)81 mm (3.2 inches)89%moderate
December Weather5°C (41°F)129 mm (5.1 inches)88%moderate

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