September Weather in Flatonia, United States

Last updated: June 24, 2025

In September, the average temperature in Flatonia, United States hovers around 27°C (81°F). Expect a wide range, with minimum temperatures dipping to 11°C (53°F) and soaring up to a scorching 39°C (102°F). During this period, rainfall averages 113 mm (4.4 in) over about 12 days, combined with an average humidity of 73%, creating a tropical atmosphere. Prepare for both sun and showers!

September Temperature in Flatonia

In September in Flatonia, the average temperature is 27°C (81°F), with maximums reaching up to 39°C (102°F) and minimums dropping down to as low as 11°C (53°F). This diverse range makes it essential for travelers to pack for both warm and cooler conditions.

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

The chart illustrates September temperature patterns in Flatonia, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Flatonia, September typically has an average temperature of 27°C (81°F), with highs reaching up to 39°C (102°F) and lows dropping to around 11°C (53°F).

Data source: Temperature data for Flatonia generated using information from the Copernicus Climate Change Service.

September Precipitation in Flatonia

In Flatonia in September, the precipitation amount is 113 mm (4.4 in) spread over 12 days.

September Precipitation Trends in Flatonia

The chart displays monthly precipitation patterns in Flatonia, 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 Flatonia, September typically receives around 113 mm (4.4 inches) of precipitation spread over approximately 12 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Flatonia

In Flatonia in September, humidity is 73%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, while also requiring frequent hydration breaks to stay comfortable during your travels.

September Average Humidity in Flatonia

This chart illustrates the average monthly humidity levels in Flatonia, 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 Flatonia is approximately 73%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Flatonia

In Flatonia 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 Flatonia.

Maximum UV Index Levels in Flatonia for September

The chart shows the monthly maximum UV Index (UVI) for Flatonia 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 Flatonia typically reaches 10, which falls under the very high exposure category.

Data source: Flatonia 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 Flatonia Compares to Other Months

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

This table compares monthly weather conditions in Flatonia, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	12°C (54°F)	62 mm (2.5 inches)	78%	moderate
February Weather	13°C (56°F)	71 mm (2.8 inches)	81%	very high
March Weather	19°C (66°F)	70 mm (2.7 inches)	76%	very high
April Weather	21°C (70°F)	111 mm (4.4 inches)	79%	extreme
May Weather	25°C (78°F)	137 mm (5.4 inches)	79%	extreme
June Weather	28°C (83°F)	109 mm (4.3 inches)	74%	extreme
July Weather	29°C (85°F)	92 mm (3.6 inches)	71%	extreme
August Weather	30°C (87°F)	126 mm (5.0 inches)	68%	extreme
September Weather	27°C (81°F)	113 mm (4.4 inches)	73%	very high
October Weather	22°C (72°F)	77 mm (3.0 inches)	75%	very high
November Weather	17°C (62°F)	64 mm (2.5 inches)	78%	high
December Weather	14°C (57°F)	78 mm (3.1 inches)	84%	moderate