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September Weather in Keytesville, United States

Last updated: June 24, 2025

In Keytesville, United States, the average temperature for September is a comfortable 22°C (72°F). Expect temperatures to range from a cool minimum of 5°C (41°F) to a warm maximum of 34°C (94°F). During this month, anticipate 73 mm (2.9 in) of precipitation over approximately 6 days, with an average humidity level of 72%.

September Temperature in Keytesville

In September in Keytesville, the average temperature is 22°C (72°F). The maximum can reach 34°C (94°F), and the minimum can be as low as 5°C (41°F). This makes it an ideal time for travelers to experience a range of weather conditions, so packing accordingly is essential.

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

The chart illustrates September temperature patterns in Keytesville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Keytesville, September typically has an average temperature of 22°C (72°F), with highs reaching up to 34°C (94°F) and lows dropping to around 5°C (41°F).
JanFebMarAprMayJunJulAugSepOctNovDec303245546676797671574337
Data source: Temperature data for Keytesville 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 Keytesville

In Keytesville in September, the precipitation amount is 73 mm (2.9 in) over a span of 6 days.

September Precipitation Trends in Keytesville

The chart displays monthly precipitation patterns in Keytesville, 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 Keytesville, September typically receives around 73 mm (2.9 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec62521159521314511497731195138
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Keytesville

In Keytesville in September humidity is 72%. With an average temperature of 22°C (72°F), this humidity feels like you are stepping into a warm, embracing blanket, making traveling feel sweaty and slightly stifling, but the balmy weather is also quite perfect for exploring local attractions.

September Average Humidity in Keytesville

This chart illustrates the average monthly humidity levels in Keytesville, 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 Keytesville is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Keytesville

In Keytesville 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 Keytesville.

Maximum UV Index Levels in Keytesville for September

The chart shows the monthly maximum UV Index (UVI) for Keytesville 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 Keytesville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3569101111109643
Data source: Keytesville 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 Keytesville Compares to Other Months

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

This table compares monthly weather conditions in Keytesville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)62 mm (2.5 inches)80%moderate
February Weather0°C (33°F)52 mm (2.0 inches)78%moderate
March Weather7°C (46°F)115 mm (4.5 inches)75%high
April Weather12°C (54°F)95 mm (3.8 inches)77%very high
May Weather19°C (66°F)213 mm (8.4 inches)82%very high
June Weather25°C (76°F)145 mm (5.7 inches)83%extreme
July Weather26°C (80°F)114 mm (4.5 inches)81%extreme
August Weather24°C (76°F)97 mm (3.8 inches)78%very high
September Weather22°C (72°F)73 mm (2.9 inches)72%very high
October Weather14°C (57°F)119 mm (4.7 inches)72%high
November Weather6°C (43°F)51 mm (2.0 inches)84%moderate
December Weather3°C (37°F)38 mm (1.5 inches)86%moderate

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