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September Weather in Macclenny, United States

Last updated: June 24, 2025

In September, the average temperature in Macclenny, United States hovers around 26°C (80°F). Temperatures can range from a comfortable 17°C (63°F) to a sizzling 37°C (98°F). Expect around 132 mm (5.2 in) of precipitation spread over 15 days, accompanied by an average humidity of 83%—perfect for those who appreciate a lush, vibrant atmosphere!

September Temperature in Macclenny

In September in Macclenny, the average temperature is 26°C (80°F). Maximums can reach 37°C (98°F), while minimums can drop as low as 17°C (63°F). Be sure to pack light, breathable clothing to stay comfortable during your travels!

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

The chart illustrates September temperature patterns in Macclenny, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Macclenny, September typically has an average temperature of 26°C (80°F), with highs reaching up to 37°C (98°F) and lows dropping to around 17°C (63°F).
JanFebMarAprMayJunJulAugSepOctNovDec566264707679818179746358
Data source: Temperature data for Macclenny 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 Macclenny

In Macclenny in September, the precipitation amount is 132 mm (5.2 in), occurring over a span of 15 days.

September Precipitation Trends in Macclenny

The chart displays monthly precipitation patterns in Macclenny, 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 Macclenny, September typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec4972386990157176169132675988
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Macclenny

In Macclenny in September humidity is 83%. With an average temperature of 26°C (80°F), this humidity feels like a warm, enveloping blanket that can make traveling quite uncomfortable; you may find yourself needing frequent breaks for hydration and cool shade as the thick air clings to your skin.

September Average Humidity in Macclenny

This chart illustrates the average monthly humidity levels in Macclenny, 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 Macclenny is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%78%73%72%74%82%82%83%79%82%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Macclenny

In Macclenny in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Macclenny.

Maximum UV Index Levels in Macclenny for September

The chart shows the monthly maximum UV Index (UVI) for Macclenny 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 Macclenny typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579101111111110865
Data source: Macclenny 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 Macclenny Compares to Other Months

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

This table compares monthly weather conditions in Macclenny, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (56°F)48 mm (1.9 inches)84%moderate
February Weather16°C (62°F)72 mm (2.8 inches)79%high
March Weather18°C (65°F)38 mm (1.5 inches)78%very high
April Weather21°C (70°F)69 mm (2.7 inches)72%very high
May Weather24°C (76°F)90 mm (3.5 inches)72%extreme
June Weather26°C (80°F)156 mm (6.2 inches)74%extreme
July Weather27°C (81°F)176 mm (6.9 inches)82%extreme
August Weather27°C (81°F)169 mm (6.6 inches)82%extreme
September Weather26°C (80°F)132 mm (5.2 inches)83%very high
October Weather23°C (74°F)67 mm (2.7 inches)79%very high
November Weather17°C (63°F)59 mm (2.3 inches)82%high
December Weather15°C (59°F)88 mm (3.5 inches)85%moderate

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