Annette Island Weather in September

During September, Annette Island experiences moderate daytime temperatures of 14°C (57°F) and cooler nights around 11°C (52°F). September sits within the rainy season, and part of the summer season, so expect regular and often heavy rainfall.

Rainfall in Annette Island in September

Annette Island is in the rainy season in September, with rain on around 18 days and an average of 313 mm (12 in). The rain this month falls heavily when it arrives, so waterproofs are worth keeping handy.

Temperature in Annette Island in September

Daytime highs in Annette Island in September reach 14°C (57°F), with nights around 11°C (52°F). During September, the summer season is in full swing. Conditions are often most pleasant around the middle of the day. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Annette Island in September

You can expect a moderate amount of sunlight, with approximately 111 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

Wind Speed in Annette Island in September

Wind speeds average 3 m/s (6 knots) during September. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June and July typically offer the best weather for Annette Island.

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• January
• February
• March
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• May
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• 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 Annette Island's climate page.

Annette Island Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 14°C (57°F)  

Chance of Rain 59%  

Precipitation 313 mm (12 in)  

Rainy days 18 days  

Humidity 82%  

Windspeed 3 m/s (6 knots)  

Sunshine 111 hours  

Percentage Sunshine  

What to Wear in Annette Island in September

The weather can be unpredictable in September, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Annette Island in September

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

Swimming

5/10

Cycling

5/10

Walking

5/10

Camping

6/10

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 Annette Island's climate page.

More climate data for Annette Island

Temperature Rainfall Sunshine Humidity Wind Speed

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