Mendenhaven Weather in September

September in Mendenhaven averages 11°C (52°F) during the day and 5°C (41°F) at night. It is the wettest month of the year, with 375 mm (15 in) of rainfall on average, so waterproof gear is a must.

Rainfall in Mendenhaven in September

As part of the rainy season, Mendenhaven sees around 18 days of rain in September, with an average of 375 mm (15 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.

Temperature in Mendenhaven in September

Daytime temperatures in Mendenhaven reach 11°C (52°F) in September, dropping to 5°C (41°F) at night. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. Nights drop to 5°C (41°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Mendenhaven in September

You can expect a moderate amount of sunlight, with approximately 112 hours. Even though this month is part of the wet season, you can still see the sun occasionally.

Wind Speed in Mendenhaven in September

In September, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

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

Mendenhaven Temperature in September

Min Temperature 5°C (41°F)  

Max Temperature 11°C (52°F)  

Chance of Rain 61%  

Precipitation 375 mm (15 in)  

Rainy days 18 days  

Humidity 87% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 112 hours *  

Percentage Sunshine 29% *  

* Data from: Juneau, the United States of America (2 KM, 1 Miles).

What to Wear in Mendenhaven in September

The weather can swing between comfortable and chilly in September, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. It's going to pour! Pack a good poncho and prepare for very wet conditions. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Mendenhaven 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

3/10

Outdoor sports

5/10

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 Mendenhaven's climate page.

More climate data for Mendenhaven

Temperature Rainfall Sunshine Humidity Wind Speed

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