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Normal weather for Girdwood in September

It's cool in September in Girdwood with an average temperature of 13°C. Temperatures this month range from a low of 10°C to a high of 16°C. At night, you can expect temperatures between 3°C and 9°C.

In September, there is an average of 285 mm of precipitation, spread over 25 days. Of the total precipitation, about 3,3 cm falls as snow in September. The wind speed is around 3 Bft, mostly coming from the Southeast.

Girdwood in September

New York
Temperature Average Temperature
13°C 27°C
Sun High Temp
16°C 31°C
Sun Low Temp
10°C 21°C
Rain Total Precipitation
285 mm 57 mm
Rain Rainy Days
25 days 9 days
Snow Total Snowfall
3,3 cm 0 cm
Snow Snowy Days
2 days 0 days

Start of September

The month of September starts in Girdwood with cool temps, averaging around 15°C during the day and nights around 8°C. There are plenty of days with a good chance of precipitation.

With the temperature difference between day and night, it’s smart to wear layers. During the day, choose a light jacket, sweater or hoodie, and long pants. In the evening and morning, go for a warm jacket, sweater or hoodie, and long pants.

Mid September

By mid-September, daytime temps drop to around 13°C, with nights around 7°C. There’s a high chance of precipitation during this time.

Since it cools down at night, it’s a good idea to wear layers. During the day, go for a warm jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, and long pants.

End of September

By the end of September, the average daytime temperature in Girdwood is around 11°C, while nighttime temps are about 5°C. There’s a significant chance of many days with precipitation.

Because temperatures drop in the evening, wearing layers is recommended. During the day, go for a warm jacket, sweater or hoodie, and long pants. For the evening and morning, we recommend a thick jacket, sweater, 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 Girdwood?

Looking for sun? September isn’t a good month to be in Girdwood. There’s too much chance of rain this month.

Temperature records for Girdwood in September

Check out the climate of Girdwood for all months and discover the best travel time

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Daily Temperature in September in Girdwood

This chart shows the average daily high and low temperatures in September for Girdwood, 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 Girdwood

Daily Precipitation in September in Girdwood

The chart below shows the average daily precipitation in September for Girdwood, 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 25 days of precipitation in Girdwood.

Daily Precipitation in September in Girdwood

Daily Snowfall in September in Girdwood

This chart shows the average daily snowfall in September in Girdwood, measured in centimeters. The bottom of the chart shows the days of the month. The data is based on historical measurements and gives an idea of the average snowfall in September.

Daily Snowfall in September in Girdwood

Daily UV Index in September in Girdwood

This chart shows the average daily UV index in September in Girdwood, 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 Girdwood

Temperature in September in Girdwood Over the Years

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

Temperature in September in Girdwood Over the Years

Total Precipitation in September in Girdwood Over the Years

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

Precipitation in September in Girdwood Over the Years

Snowfall in September in Girdwood per year

This chart shows the average snowfall in September in Girdwood, measured in centimeters, over the past few years.

Snowfall in September in Girdwood over the past years

Daily Climate in September for Girdwood

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

Weather experiences in September in Girdwood

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Average Weather in Girdwood by Month

Click on a month below to see detailed weather info for Girdwood. 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 Girdwood for all months at once

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