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September Weather in Sainte Genevieve, United States

Last updated: June 24, 2025

In September, the average temperature in Sainte Genevieve, United States is a pleasant 23°C (73°F). While you can expect the minimum temperature to dip to 8°C (46°F), the maximum can soar up to 35°C (95°F). During this month, be prepared for 57 mm (2.3 in) of precipitation spread over 7 days, contributing to an average humidity level of 68%.

September Temperature in Sainte Genevieve

In September in Sainte Genevieve, the average temperature is 23°C (73°F), with maximums reaching 35°C (95°F) and minimums dropping to 8°C (46°F). This range makes Sainte Genevieve an ideal destination for travelers seeking pleasant weather and a variety of outdoor activities.

September Weather in Sainte Genevieve: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Sainte Genevieve, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sainte Genevieve, September typically has an average temperature of 23°C (73°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (46°F).
JanFebMarAprMayJunJulAugSepOctNovDec343748566877807773604541
Data source: Temperature data for Sainte Genevieve 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 Sainte Genevieve

In Sainte Genevieve in September, the precipitation amount is 57 mm (2.3 in) over a span of 7 days.

September Precipitation Trends in Sainte Genevieve

The chart displays monthly precipitation patterns in Sainte Genevieve, 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 Sainte Genevieve, September typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec821011311471528191106581168073
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sainte Genevieve

In Sainte Genevieve in September humidity is 68%. With an average temperature of 23°C (73°F), this humidity feels like a soft blanket wrapping around you, making every step outside feel a bit heavier, but offering a warm embrace that encourages leisurely exploration and a relaxed pace for travel.

September Average Humidity in Sainte Genevieve

This chart illustrates the average monthly humidity levels in Sainte Genevieve, 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 Sainte Genevieve is approximately 68%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%81%80%80%83%83%76%69%68%72%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sainte Genevieve

In Sainte Genevieve 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 Sainte Genevieve.

Maximum UV Index Levels in Sainte Genevieve for September

The chart shows the monthly maximum UV Index (UVI) for Sainte Genevieve 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 Sainte Genevieve typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579111111109753
Data source: Sainte Genevieve 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 Sainte Genevieve Compares to Other Months

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

This table compares monthly weather conditions in Sainte Genevieve, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)82 mm (3.2 inches)83%moderate
February Weather3°C (38°F)101 mm (4.0 inches)81%moderate
March Weather9°C (48°F)131 mm (5.2 inches)80%high
April Weather13°C (56°F)147 mm (5.8 inches)80%very high
May Weather20°C (68°F)152 mm (6.0 inches)83%extreme
June Weather25°C (77°F)80 mm (3.2 inches)83%extreme
July Weather27°C (80°F)90 mm (3.6 inches)76%extreme
August Weather25°C (77°F)106 mm (4.2 inches)69%very high
September Weather23°C (73°F)57 mm (2.3 inches)68%very high
October Weather16°C (60°F)116 mm (4.6 inches)72%high
November Weather7°C (45°F)80 mm (3.1 inches)83%moderate
December Weather5°C (41°F)73 mm (2.9 inches)86%moderate

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