Girdwood Weather in September

September in Girdwood brings low temperatures around 9°C (48°F) during the day, dropping to 2°C (36°F) at night, and as part of the rainy season, heavy rainfall is common.

Rainfall in Girdwood in September

Girdwood is in the rainy season in September, with rain on around 15 days and an average of 272 mm (11 in). Showers during the rainy season tend to be heavy and can come down intensely. An umbrella is often not enough, so a poncho or waterproof jacket is a better choice.

Temperature in Girdwood in September

September in Girdwood sees highs of 9°C (48°F) and lows of 2°C (36°F) overnight. Even at the warmest part of the day, temperatures stay low. Dressing warmly from the start is the sensible approach. Nights fall to 2°C (36°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Girdwood in September

With about 160 hours of sunshine, the area enjoys a nice balance of sun and rainy moments, creating a pleasant environment.

If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Girdwood. Our weather planner can help you explore destinations with more pleasant weather conditions.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Girdwood's climate page.

Girdwood Temperature in September

Min Temperature 2°C (36°F)  

Max Temperature 9°C (48°F)  

Chance of Rain 50%  

Precipitation 272 mm (11 in)  

Rainy days 15 days  

Humidity 76% *  

Sunshine 160 hours *  

Percentage Sunshine 41% *  

* Data from: Anchorage, the United States of America (52 KM, 32 Miles).

What to Wear in Girdwood in September

Dress warmly and in layers for your trip to Girdwood in September. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Girdwood in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

5/10

Cycling

4/10

Walking

4/10

Camping

3/10

Outdoor sports

4/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Girdwood's climate page.

More climate data for Girdwood

Temperature Rainfall Sunshine Humidity

See the full Girdwood climate overview or explore weather in the United States of America.