September Weather in Sylvania, United States

Last updated: June 24, 2025

In September, the average temperature in Sylvania, United States is a warm 26°C (79°F), with a range that can dip to a cool 11°C (52°F) and soar up to a scorching 38°C (101°F). Expect considerable moisture with an average precipitation of 82 mm (3.2 in) spread over 10 days, and enjoy the balmy atmosphere with an average humidity of 83%.

September Temperature in Sylvania

In September in Sylvania, the average temperature is 26°C (79°F). Maximum temperatures can reach 38°C (101°F), while the minimum can drop to as low as 11°C (52°F). This makes Sylvania an ideal destination for travelers seeking a warm climate, but be prepared for some cooler evenings.

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

The chart illustrates September temperature patterns in Sylvania, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sylvania, September typically has an average temperature of 26°C (79°F), with highs reaching up to 38°C (101°F) and lows dropping to around 11°C (52°F).

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

September Precipitation in Sylvania

In Sylvania in September, the total precipitation amount is 82 mm (3.2 in) observed over a span of 10 days.

September Precipitation Trends in Sylvania

The chart displays monthly precipitation patterns in Sylvania, 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 Sylvania, September typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 10 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 Sylvania

In Sylvania in September, humidity is 83%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket enveloping you, making travel an exercise in endurance as the air clings to your skin and saps your energy.

September Average Humidity in Sylvania

This chart illustrates the average monthly humidity levels in Sylvania, 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 Sylvania is approximately 83%, 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 Sylvania

In Sylvania 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 Sylvania.

Maximum UV Index Levels in Sylvania for September

The chart shows the monthly maximum UV Index (UVI) for Sylvania 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 Sylvania typically reaches 9, which falls under the very high exposure category.

Data source: Sylvania 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 Sylvania Compares to Other Months

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

This table compares monthly weather conditions in Sylvania, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (51°F)	84 mm (3.3 inches)	86%	moderate
February Weather	13°C (56°F)	102 mm (4.0 inches)	81%	high
March Weather	16°C (61°F)	67 mm (2.6 inches)	81%	very high
April Weather	19°C (67°F)	106 mm (4.2 inches)	79%	very high
May Weather	24°C (75°F)	86 mm (3.4 inches)	75%	extreme
June Weather	26°C (80°F)	126 mm (5.0 inches)	75%	extreme
July Weather	28°C (83°F)	129 mm (5.1 inches)	80%	extreme
August Weather	28°C (82°F)	132 mm (5.2 inches)	81%	extreme
September Weather	26°C (79°F)	82 mm (3.2 inches)	83%	very high
October Weather	22°C (71°F)	74 mm (2.9 inches)	78%	very high
November Weather	14°C (57°F)	61 mm (2.4 inches)	85%	high
December Weather	12°C (53°F)	119 mm (4.7 inches)	87%	moderate