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September Weather in Saint Francisville, United States

Last updated: June 24, 2025

In September, the average temperature in Saint Francisville, United States is a pleasant 23°C (73°F), with minimums dipping to 8°C (47°F) and maximums soaring up to 34°C (93°F). You'll experience an average humidity of 79%, making the air feel quite warm and inviting. Be prepared for some rain, as 68 mm (2.7 in) of precipitation can be expected over 7 days.

September Temperature in Saint Francisville

In September in Saint Francisville, the average temperature is 23°C (73°F). The maximum can reach 34°C (93°F), while the minimum can drop as low as 8°C (47°F). This makes Saint Francisville an ideal destination for travelers seeking mild to warm weather during this time of year.

September Weather in Saint Francisville: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Saint Francisville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Francisville, September typically has an average temperature of 23°C (73°F), with highs reaching up to 34°C (93°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec343747566877807773604440
Data source: Temperature data for Saint Francisville 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 Saint Francisville

In Saint Francisville in September, the precipitation amount is 68 mm (2.7 in) over the course of 7 days.

September Precipitation Trends in Saint Francisville

The chart displays monthly precipitation patterns in Saint Francisville, 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 Saint Francisville, September typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec931111401161291137986681009998
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Saint Francisville

In Saint Francisville in September humidity is 79%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace that clings to the skin, making travel feel both invigorating and slightly exhausting as the air wraps around you like a damp blanket.

September Average Humidity in Saint Francisville

This chart illustrates the average monthly humidity levels in Saint Francisville, 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 Saint Francisville is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Saint Francisville

In Saint Francisville 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 Saint Francisville.

Maximum UV Index Levels in Saint Francisville for September

The chart shows the monthly maximum UV Index (UVI) for Saint Francisville 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 Saint Francisville typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3571010111099743
Data source: Saint Francisville 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 Saint Francisville Compares to Other Months

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

This table compares monthly weather conditions in Saint Francisville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)93 mm (3.7 inches)84%moderate
February Weather3°C (37°F)111 mm (4.4 inches)82%moderate
March Weather8°C (47°F)140 mm (5.5 inches)84%high
April Weather13°C (56°F)116 mm (4.6 inches)83%very high
May Weather20°C (68°F)129 mm (5.1 inches)80%very high
June Weather25°C (77°F)113 mm (4.5 inches)83%extreme
July Weather26°C (80°F)79 mm (3.1 inches)82%very high
August Weather25°C (77°F)86 mm (3.4 inches)82%very high
September Weather23°C (73°F)68 mm (2.7 inches)79%very high
October Weather16°C (61°F)100 mm (3.9 inches)79%high
November Weather7°C (45°F)99 mm (3.9 inches)88%moderate
December Weather4°C (40°F)98 mm (3.9 inches)87%moderate

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