Norrtälje weather in September (Stockholm county, Sweden)

Curious about the climate in Norrtälje this September? Here's what you need to know about the weather for the month.

Temperatures

In September, Norrtälje typically experiences moderate temperatures and moderate rainfall. Anticipate daytime temperatures around 17°C, while night temperatures can drop to 9°C.

Precipitation

Norrtälje in September usually receives moderate rainfall, averaging around 56 mm for the month. When we look at the climate data from the last 30 years, you can expect around 14 days of rain.

Average sunshine

The area enjoys a moderate level of sunlight, with around 171 hours. It's a good balance between sunny and cloudy days.

If your ideal day consists of dry skies and moderate temperatures July and August generally stand out with the best circumstances. While January, February, March, April, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Norrtälje climate page with graphs.

 

Norrtälje, monthly averages in September

Min Temperature 9°C  

Max Temperature 17°C  

Chance of Rain 48%  

Precipitation 56 mm  

Rainy days 14 days  

Humidity 78% *  

Sunshine 171 hours *  

Percentage Sunshine *  

* Data from: Stockholm, Sweden (62 KM, 38 Miles).

Where to go in Sweden in September

Find out more about the weather in Sweden and which places have the best travel conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Norrtälje, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Barbeque

6/10

Camping

4/10

Outdoor sports

10/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Norrtälje.

Our site offers climate and forecast data for every country in the world. Are you going to Sweden? On this website you can find historical weather averages for many cities in Sweden. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.