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September Weather in Osceola, United States

Last updated: June 24, 2025

In September, the average temperature in Osceola, United States is a comfortable 17°C (64°F). However, be prepared for a range of temperatures, with lows dipping to 2°C (35°F) and highs soaring to 32°C (91°F). Expect 107 mm (4.2 in) of precipitation over approximately 10 days, contributing to an average humidity of a sticky 81%.

September Temperature in Osceola

In September in Osceola, the average temperature is 17°C (64°F). Maximums can reach 32°C (91°F), and minimums can be as low as 2°C (35°F). Travelers should be prepared for a wide range of temperatures during this time.

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

The chart illustrates September temperature patterns in Osceola, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osceola, September typically has an average temperature of 17°C (64°F), with highs reaching up to 32°C (91°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec161632435870747063483222
Data source: Temperature data for Osceola 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 Osceola

In Osceola in September, the precipitation amount is 107 mm (4.2 in) accumulated over a period of 10 days.

September Precipitation Trends in Osceola

The chart displays monthly precipitation patterns in Osceola, 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 Osceola, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec26355388127951011231071013955
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Osceola

In Osceola in September, humidity is 81%. With an average temperature of 17°C (64°F), this humidity feels like walking through a warm mist, enveloping you in a sticky embrace that can quickly lead to discomfort during long sightseeing excursions.

September Average Humidity in Osceola

This chart illustrates the average monthly humidity levels in Osceola, 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 Osceola is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%85%84%78%80%81%81%81%84%88%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Osceola

In Osceola in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Osceola.

Maximum UV Index Levels in Osceola for September

The chart shows the monthly maximum UV Index (UVI) for Osceola 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 Osceola typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Osceola 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 Osceola Compares to Other Months

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

This table compares monthly weather conditions in Osceola, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)25 mm (1.0 inches)87%low
February Weather-9°C (17°F)35 mm (1.4 inches)90%moderate
March Weather0°C (33°F)53 mm (2.1 inches)85%moderate
April Weather6°C (43°F)88 mm (3.5 inches)84%high
May Weather15°C (59°F)127 mm (5.0 inches)78%very high
June Weather21°C (71°F)95 mm (3.7 inches)80%very high
July Weather23°C (74°F)101 mm (4.0 inches)81%very high
August Weather21°C (70°F)123 mm (4.9 inches)81%very high
September Weather17°C (64°F)107 mm (4.2 inches)81%high
October Weather9°C (48°F)101 mm (4.0 inches)84%moderate
November Weather0°C (33°F)39 mm (1.5 inches)88%moderate
December Weather-5°C (23°F)55 mm (2.2 inches)84%low

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