September Weather in Woodway, United States

Last updated: June 24, 2025

In September, the average temperature in Woodway, United States is a warm 27°C (81°F). Expect temperature fluctuations, with a minimum of 11°C (51°F) and a maximum reaching 39°C (103°F). During this month, 80 mm (3.1 in) of precipitation falls over about 7 days, contributing to an average humidity of 69%. Whether you're soaking up the sun or seeking shelter from a brief rain, be prepared for the variations of this lively climate!

September Temperature in Woodway

In September in Woodway, the average temperature is 27°C (81°F). Maximums can reach 39°C (103°F), while minimums can drop to as low as 11°C (51°F). Be sure to pack lightweight clothes for the daytime and a warmer layer for the cooler evenings if you're traveling during this time.

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

The chart illustrates September temperature patterns in Woodway, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Woodway, September typically has an average temperature of 27°C (81°F), with highs reaching up to 39°C (103°F) and lows dropping to around 11°C (51°F).

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

September Precipitation in Woodway

In Woodway in September, the precipitation amount is 80 mm (3.1 in) during a span of 7 days.

September Precipitation Trends in Woodway

The chart displays monthly precipitation patterns in Woodway, 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 Woodway, September typically receives around 80 mm (3.1 inches) of precipitation spread over approximately 7 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

September Humidity in Woodway

In Woodway in September, humidity is 69%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket wrapped around you, making it essential to stay hydrated and take frequent breaks during your travels.

September Average Humidity in Woodway

This chart illustrates the average monthly humidity levels in Woodway, 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 Woodway is approximately 69%, 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 Woodway

In Woodway 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 Woodway.

Maximum UV Index Levels in Woodway for September

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

Data source: Woodway 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 Woodway Compares to Other Months

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

This table compares monthly weather conditions in Woodway, 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 (50°F)	60 mm (2.4 inches)	79%	moderate
February Weather	11°C (52°F)	78 mm (3.1 inches)	80%	high
March Weather	17°C (63°F)	81 mm (3.2 inches)	78%	very high
April Weather	20°C (67°F)	96 mm (3.8 inches)	79%	very high
May Weather	24°C (76°F)	184 mm (7.2 inches)	81%	extreme
June Weather	28°C (83°F)	77 mm (3.0 inches)	77%	extreme
July Weather	30°C (87°F)	51 mm (2.0 inches)	71%	extreme
August Weather	30°C (87°F)	78 mm (3.1 inches)	67%	extreme
September Weather	27°C (81°F)	80 mm (3.1 inches)	69%	very high
October Weather	21°C (70°F)	129 mm (5.1 inches)	73%	very high
November Weather	15°C (59°F)	51 mm (2.0 inches)	82%	high
December Weather	12°C (54°F)	63 mm (2.5 inches)	87%	moderate