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September Weather in Kosciusko, United States

Last updated: June 24, 2025

In Kosciusko, United States, the average temperature in September hovers around 25°C (77°F), providing a pleasant climate for outdoor activities. However, be prepared for temperature fluctuations, as it can dip to a cool 10°C (50°F) at night and soar up to a scorching 37°C (99°F) during the day. Rain is not uncommon, with an average precipitation of 91 mm (3.6 in) spread over 9 days throughout the month. Expect the air to feel quite humid, with an average humidity level of 74%, making it a tropical experience.

September Temperature in Kosciusko

In September in Kosciusko, the average temperature is 25°C (77°F). Maximums can reach 37°C (99°F), while minimums can dip as low as 10°C (50°F). This makes it a perfect time for travelers to enjoy a variety of activities, from exploring the outdoors in the warm sun to experiencing cooler evenings.

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

The chart illustrates September temperature patterns in Kosciusko, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kosciusko, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec475259637378818077675450
Data source: Temperature data for Kosciusko 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 Kosciusko

In Kosciusko in September, the precipitation amount is 91 mm (3.6 in) spread over 9 days.

September Precipitation Trends in Kosciusko

The chart displays monthly precipitation patterns in Kosciusko, 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 Kosciusko, September typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec120183141161122140951219111279121
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kosciusko

In Kosciusko in September humidity is 74%. With an average temperature of 25°C (77°F), this humidity feels like a warm, muggy blanket wrapping around you, making travel a bit more challenging as you find yourself sticky and in need of frequent breaks to hydrate and cool down.

September Average Humidity in Kosciusko

This chart illustrates the average monthly humidity levels in Kosciusko, 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 Kosciusko is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kosciusko

In Kosciusko 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 Kosciusko.

Maximum UV Index Levels in Kosciusko for September

The chart shows the monthly maximum UV Index (UVI) for Kosciusko 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 Kosciusko typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119864
Data source: Kosciusko 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 Kosciusko Compares to Other Months

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

This table compares monthly weather conditions in Kosciusko, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)120 mm (4.7 inches)85%moderate
February Weather11°C (52°F)183 mm (7.2 inches)84%high
March Weather15°C (59°F)141 mm (5.6 inches)82%very high
April Weather17°C (64°F)161 mm (6.3 inches)82%very high
May Weather23°C (73°F)122 mm (4.8 inches)82%extreme
June Weather26°C (78°F)140 mm (5.5 inches)79%extreme
July Weather27°C (81°F)95 mm (3.7 inches)82%extreme
August Weather27°C (80°F)121 mm (4.8 inches)77%extreme
September Weather25°C (77°F)91 mm (3.6 inches)74%very high
October Weather20°C (68°F)112 mm (4.4 inches)73%very high
November Weather12°C (54°F)79 mm (3.1 inches)85%high
December Weather10°C (51°F)121 mm (4.8 inches)88%moderate

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