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September Weather in Port Charlotte, United States

Last updated: June 24, 2025

In September, the average temperature in Port Charlotte, United States hovers around 28°C (82°F). Expect a comfortable minimum of 20°C (68°F) but be prepared for peaks reaching up to 36°C (96°F). During this month, precipitation totals about 175 mm (6.9 in) spread over 21 days, contributing to an average humidity level of 83%.

September Temperature in Port Charlotte

In September in Port Charlotte, the average temperature is 28°C (82°F), with maximums reaching 36°C (96°F) and minimums dropping as low as 20°C (68°F). This makes it a great time to visit for warm weather activities and sightseeing.

September Weather in Port Charlotte: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Port Charlotte, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Port Charlotte, September typically has an average temperature of 28°C (82°F), with highs reaching up to 36°C (96°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec647071768082828282807267
Data source: Temperature data for Port Charlotte 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 Port Charlotte

In Port Charlotte in September, the precipitation amount reaches 175 mm (6.9 in) over the course of 21 days.

September Precipitation Trends in Port Charlotte

The chart displays monthly precipitation patterns in Port Charlotte, 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 Port Charlotte, September typically receives around 175 mm (6.9 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec34452255136221267233175754357
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Port Charlotte

In Port Charlotte 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 Port Charlotte

This chart illustrates the average monthly humidity levels in Port Charlotte, 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 Port Charlotte 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 Port Charlotte

In Port Charlotte 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 Port Charlotte.

Maximum UV Index Levels in Port Charlotte for September

The chart shows the monthly maximum UV Index (UVI) for Port Charlotte 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 Port Charlotte typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111212121211975
Data source: Port Charlotte 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 Port Charlotte Compares to Other Months

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

This table compares monthly weather conditions in Port Charlotte, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather18°C (64°F)34 mm (1.4 inches)83%high
February Weather21°C (70°F)45 mm (1.8 inches)80%very high
March Weather22°C (71°F)22 mm (0.9 inches)75%very high
April Weather24°C (76°F)55 mm (2.2 inches)68%extreme
May Weather26°C (80°F)136 mm (5.4 inches)65%extreme
June Weather28°C (82°F)221 mm (8.7 inches)73%extreme
July Weather28°C (82°F)267 mm (10.5 inches)77%extreme
August Weather28°C (83°F)233 mm (9.2 inches)80%extreme
September Weather28°C (82°F)175 mm (6.9 inches)83%extreme
October Weather26°C (80°F)75 mm (2.9 inches)83%very high
November Weather22°C (72°F)43 mm (1.7 inches)83%high
December Weather19°C (67°F)57 mm (2.2 inches)84%moderate

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