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September Weather in Matlacha, United States

Last updated: June 24, 2025

In Matlacha, United States, the average temperature in September reaches a comfortable 28°C (82°F). Expect a minimum of 22°C (72°F) and a maximum of 34°C (94°F), making for warm days. However, with an average precipitation of 173 mm (6.8 in) spread over 20 days, be prepared for some rain. The humidity typically hovers around 83%, adding a touch of tropical richness to the atmosphere.

September Temperature in Matlacha

In September, in Matlacha, the average temperature is a warm 28°C (82°F), with maximums reaching up to 34°C (94°F) and minimums dropping to around 22°C (72°F). This makes it an ideal destination for travelers seeking sunny and pleasant weather.

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

The chart illustrates September temperature patterns in Matlacha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Matlacha, September typically has an average temperature of 28°C (82°F), with highs reaching up to 34°C (94°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec656971767981828282797268
Data source: Temperature data for Matlacha 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 Matlacha

In Matlacha in September, the precipitation amount is 173 mm (6.8 in) over a span of 20 days.

September Precipitation Trends in Matlacha

The chart displays monthly precipitation patterns in Matlacha, 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 Matlacha, September typically receives around 173 mm (6.8 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec37422147132197240216173804456
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Matlacha

In Matlacha in September humidity is 83%. With an average temperature of 28°C (82°F), this humidity feels like stepping into a warm, thick blanket, making travel languid and drenched in sweat.

September Average Humidity in Matlacha

This chart illustrates the average monthly humidity levels in Matlacha, 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 Matlacha is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%80%75%68%65%73%77%80%83%83%83%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Matlacha

In Matlacha in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Matlacha.

Maximum UV Index Levels in Matlacha for September

The chart shows the monthly maximum UV Index (UVI) for Matlacha 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 Matlacha typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69101112121212111075
Data source: Matlacha 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 Matlacha Compares to Other Months

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

This table compares monthly weather conditions in Matlacha, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (65°F)37 mm (1.4 inches)83%high
February Weather21°C (70°F)42 mm (1.6 inches)80%very high
March Weather22°C (71°F)21 mm (0.8 inches)75%very high
April Weather24°C (76°F)46 mm (1.8 inches)68%extreme
May Weather26°C (79°F)132 mm (5.2 inches)65%extreme
June Weather27°C (82°F)196 mm (7.7 inches)73%extreme
July Weather28°C (83°F)240 mm (9.5 inches)77%extreme
August Weather28°C (83°F)216 mm (8.5 inches)80%extreme
September Weather28°C (82°F)173 mm (6.8 inches)83%extreme
October Weather26°C (80°F)80 mm (3.2 inches)83%very high
November Weather22°C (72°F)44 mm (1.7 inches)83%high
December Weather20°C (68°F)56 mm (2.2 inches)84%moderate

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