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Normal weather for Tacoma in September

It's pleasantly warm in September in Tacoma with an average temperature of 22°C. Temperatures this month range from a low of 18°C to a high of 26°C. At night, you can expect temperatures between 10°C and 15°C.

In September, there is an average of 73 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the South.

Tacoma in September

New York
Temperature Average Temperature
22°C 27°C
Sun High Temp
26°C 31°C
Sun Low Temp
18°C 21°C
Rain Total Precipitation
73 mm 57 mm
Rain Rainy Days
10 days 9 days

Start of September

The month of September starts in Tacoma with warm temps, averaging around 25°C during the day and nights around 14°C. There’s little chance of precipitation. The weather’s mostly sunny and dry.

With the temperature difference between day and night, it’s smart to wear layers. A T-shirt, light pants or skirt, and a light jacket are great for the day. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

Mid September

By mid-September, daytime temps drop to around 22°C, with nights around 12°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

Since it cools down at night, it’s a good idea to wear layers. A T-shirt, light pants or skirt, and a light jacket are great for the day. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

End of September

By the end of September, the average daytime temperature in Tacoma is around 21°C, while nighttime temps are about 11°C. A shower might pop up, but overall, the weather will be dry and sunny.

Because temperatures drop in the evening, wearing layers is recommended. During the day, a shirt, maybe a light sweater, and thin pants will do. In the evening and morning, choose a light jacket, sweater or hoodie, and long pants.

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UV index

The UV index is a maximum of 3 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.

Is September a good time to visit Tacoma?

Looking for great weather? September is a good time to be in Tacoma. The temperatures are nice, and there’s not too much rain.

Temperature records for Tacoma in September

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Daily Temperature in September in Tacoma

This chart shows the average daily high and low temperatures in September for Tacoma, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in September in Tacoma

Daily Precipitation in September in Tacoma

The chart below shows the average daily precipitation in September for Tacoma, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 10 days of precipitation in Tacoma.

Daily Precipitation in September in Tacoma

Daily UV Index in September in Tacoma

This chart shows the average daily UV index in September in Tacoma, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in September in Tacoma

Temperature in September in Tacoma Over the Years

This chart shows the average temperature in September in Tacoma, measured in degrees Celsius, over the past few years.

Temperature in September in Tacoma Over the Years

Total Precipitation in September in Tacoma Over the Years

This chart shows the average precipitation in September in Tacoma, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in September in Tacoma Over the Years

Daily Climate in September for Tacoma

Click on any day in September to get detailed info about the usual weather on that day in Tacoma. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in September in Tacoma

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Average Weather in Tacoma by Month

Click on a month below to see detailed weather info for Tacoma. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Tacoma for all months at once

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