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September Weather in Rainbow City, United States

Last updated: June 24, 2025

In Rainbow City, United States, the average temperature in September hovers around 24°C (76°F). You'll experience a temperature range that can drop to a brisk 11°C (51°F) or soar up to a sweltering 36°C (97°F). Expect a total precipitation of 98 mm (3.9 in) over 8 days, with an average humidity of 73%, creating a typically warm and slightly humid atmosphere.

September Temperature in Rainbow City

In September in Rainbow City, the average temperature is 24°C (76°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 11°C (51°F). It's a great time for travelers to enjoy a mix of warm days and cooler nights while exploring all that Rainbow City has to offer.

September Weather in Rainbow City: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Rainbow City, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rainbow City, September typically has an average temperature of 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec455157627177807976665248
Data source: Temperature data for Rainbow City 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 Rainbow City

In Rainbow City in September, the total precipitation amount is 98 mm (3.9 in), occurring over 8 days.

September Precipitation Trends in Rainbow City

The chart displays monthly precipitation patterns in Rainbow City, 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 Rainbow City, September typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec1211831561581051411021249812783152
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Rainbow City

In Rainbow City in September humidity is 73%. With an average temperature of 24°C (76°F), this humidity feels like a warm and sticky embrace, making travel slightly uncomfortable as the air thickens around you, prompting you to seek shade and stay hydrated.

September Average Humidity in Rainbow City

This chart illustrates the average monthly humidity levels in Rainbow City, 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 Rainbow City is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%81%77%77%72%73%73%85%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Rainbow City

In Rainbow City in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Rainbow City.

Maximum UV Index Levels in Rainbow City for September

The chart shows the monthly maximum UV Index (UVI) for Rainbow City 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 Rainbow City typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119764
Data source: Rainbow City 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 Rainbow City Compares to Other Months

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

This table compares monthly weather conditions in Rainbow City, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)121 mm (4.8 inches)85%moderate
February Weather10°C (51°F)183 mm (7.2 inches)84%high
March Weather14°C (57°F)156 mm (6.1 inches)82%very high
April Weather17°C (62°F)158 mm (6.2 inches)82%very high
May Weather22°C (72°F)105 mm (4.1 inches)81%extreme
June Weather25°C (77°F)141 mm (5.5 inches)77%extreme
July Weather27°C (80°F)102 mm (4.0 inches)77%extreme
August Weather26°C (80°F)124 mm (4.9 inches)72%extreme
September Weather24°C (76°F)98 mm (3.9 inches)73%very high
October Weather19°C (66°F)127 mm (5.0 inches)73%high
November Weather11°C (52°F)83 mm (3.3 inches)85%high
December Weather9°C (49°F)152 mm (6.0 inches)88%moderate

Compare Rainbow City's Climate with Cities Worldwide