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September Weather in Gulfport, United States

Last updated: June 24, 2025

In September, the average temperature in Gulfport, United States is a warm 27°C (81°F). You can expect a pleasant range, with minimums dropping to 19°C (66°F) and maximums rising to 32°C (90°F). However, be prepared for precipitation—about 153 mm (6.0 in) over 14 days—and enjoy the tropical ambiance with an average humidity of 80%.

September Temperature in Gulfport

In September in Gulfport, the average temperature is 27°C (81°F). Maximum temperatures can reach 32°C (90°F), while the minimum can drop to as low as 19°C (66°F). This makes Gulfport an ideal destination for travelers seeking warm weather and pleasant conditions.

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

The chart illustrates September temperature patterns in Gulfport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gulfport, September typically has an average temperature of 27°C (81°F), with highs reaching up to 32°C (90°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec555964697681828280756358
Data source: Temperature data for Gulfport 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 Gulfport

In Gulfport in September, the total precipitation amount is 153 mm (6.0 in) spread over 14 days.

September Precipitation Trends in Gulfport

The chart displays monthly precipitation patterns in Gulfport, 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 Gulfport, September typically receives around 153 mm (6.0 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec981188511912627719523515313353120
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gulfport

In Gulfport in September humidity is 80%. With an average temperature of 27°C (81°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making travel tiring as sweat beads form quickly and the air feels thick and heavy.

September Average Humidity in Gulfport

This chart illustrates the average monthly humidity levels in Gulfport, 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 Gulfport is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%78%73%71%79%78%80%76%83%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gulfport

In Gulfport 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 Gulfport.

Maximum UV Index Levels in Gulfport for September

The chart shows the monthly maximum UV Index (UVI) for Gulfport 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 Gulfport typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121110864
Data source: Gulfport 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 Gulfport Compares to Other Months

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

This table compares monthly weather conditions in Gulfport, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)98 mm (3.9 inches)82%moderate
February Weather15°C (59°F)118 mm (4.6 inches)80%very high
March Weather18°C (64°F)85 mm (3.4 inches)80%very high
April Weather20°C (69°F)119 mm (4.7 inches)78%extreme
May Weather24°C (76°F)126 mm (4.9 inches)73%extreme
June Weather27°C (81°F)277 mm (10.9 inches)71%extreme
July Weather28°C (83°F)195 mm (7.7 inches)79%extreme
August Weather28°C (83°F)235 mm (9.3 inches)78%extreme
September Weather27°C (81°F)153 mm (6.0 inches)80%very high
October Weather24°C (75°F)133 mm (5.2 inches)76%very high
November Weather17°C (63°F)53 mm (2.1 inches)83%high
December Weather14°C (58°F)120 mm (4.7 inches)87%moderate

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