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September Weather in Flowery Branch, United States

Last updated: June 24, 2025

In Flowery Branch, United States, the average temperature in September hovers around 23°C (74°F), with a minimum reaching 10°C (49°F) and a maximum soaring to 35°C (95°F). Expect about 120 mm (4.7 in) of precipitation over 9 days, accompanied by an average humidity of 76%. Prepare for a month that's warm yet potentially rainy!

September Temperature in Flowery Branch

In September in Flowery Branch, the average temperature is a pleasant 23°C (74°F). The maximum can reach a scorching 35°C (95°F), while the minimum can drop to a cool 10°C (49°F). This makes Flowery Branch an ideal destination for travelers seeking warm weather with the option to enjoy cooler evenings.

September Weather in Flowery Branch: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Flowery Branch, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Flowery Branch, September typically has an average temperature of 23°C (74°F), with highs reaching up to 35°C (95°F) and lows dropping to around 10°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec444954617075787773645147
Data source: Temperature data for Flowery Branch 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 Flowery Branch

In Flowery Branch in September, the precipitation amount is 120 mm (4.7 in) over the course of 9 days.

September Precipitation Trends in Flowery Branch

The chart displays monthly precipitation patterns in Flowery Branch, 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 Flowery Branch, September typically receives around 120 mm (4.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec11917114813213013111515912016585146
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Flowery Branch

In Flowery Branch in September humidity is 76%. With an average temperature of 23°C (74°F), this humidity feels like a warm, thick blanket wrapping around you, making outdoor exploration feel a bit sluggish and requiring frequent breaks for hydration and respite from the heat.

September Average Humidity in Flowery Branch

This chart illustrates the average monthly humidity levels in Flowery Branch, 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 Flowery Branch is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Flowery Branch

In Flowery Branch 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 Flowery Branch.

Maximum UV Index Levels in Flowery Branch for September

The chart shows the monthly maximum UV Index (UVI) for Flowery Branch 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 Flowery Branch typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47811111111109864
Data source: Flowery Branch 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 Flowery Branch Compares to Other Months

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

This table compares monthly weather conditions in Flowery Branch, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (44°F)119 mm (4.7 inches)86%moderate
February Weather10°C (49°F)171 mm (6.7 inches)86%high
March Weather12°C (55°F)148 mm (5.8 inches)86%very high
April Weather16°C (61°F)131 mm (5.2 inches)82%extreme
May Weather21°C (70°F)130 mm (5.1 inches)85%extreme
June Weather24°C (75°F)131 mm (5.2 inches)85%extreme
July Weather26°C (78°F)115 mm (4.5 inches)83%extreme
August Weather25°C (77°F)159 mm (6.2 inches)76%very high
September Weather23°C (74°F)120 mm (4.7 inches)76%very high
October Weather18°C (65°F)165 mm (6.5 inches)80%very high
November Weather11°C (52°F)85 mm (3.3 inches)88%high
December Weather8°C (47°F)146 mm (5.8 inches)88%moderate

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