If you plan to visit Stockholm in September, the weather is typically alright, with an average high temperature of +61°F during the day and approximately 5 sunny days. Expect some rainy, though, as there are typically 15 rainy days in the month and around 51 mm of precipitation. The weather is changeable so you may have to pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+61°F
Avg. max. temperature
+30°F
Min.
+79°F
Max.
51 mm
Total precipitation
79%
Avg. humidity
2 m/s
Avg. wind
5 ☀️
Sunny Days
10 ⛅️
Cloudy
15 🌦
Rainy
Our opinion: Stockholm has OK weather in September.
Average temperature in Stockholm in September
Here are the expected maximum, average and minimum temperatures in Stockholm for September based on the historical data.
Last Year
Historical Data
Going from a maximum of +75°F during the day to a minimum of +45°F during the night, the temperature in September averages around +66°F.
The average maximum temperature goes down 12% by the end of the month, compared with the beginning of the month, from +64°F to +61°F.
Is Stockholm warm or cold in September?
Stockholm is typically mild in September.
Maximum temperatures go down compared to the previous month from +68°F to +61°F. The minimum temperature also goes down from +55°F to +48°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Stockholm:
Water temperature in Stockholm in September
Water in Stockholm in September is Cold. It varies from +51°F to +65°F, with an average of +58°F.This is almost similar to the air temperature, which averages +61°F.
The water temperature in September is one of the warmest of the entire year:
The warmest water temperatures in Stockholm are reached in August, when the average sea temperature rises to +65°F. The coldest water temperatures are in February, with an average of +33°F.
Can you swim in Stockholm in September?
We would not recommend swimming in Stockholm in September, the water is very cold (+58°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.
Travel to Stockholm
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✈️
25
Flights per week
$570
Min. Price
$570
Max. Price
Airlines with direct connections:
Air France
Lufthansa
United Airlines
KLM
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Climate in Stockholm in September
Stockholm weather looks like this, on average, in September and the surrounding months.
August
September
October
Avg. temperature
+68°F
+61°F
+50°F
Min. temperature
+37°F
+30°F
+18°F
Max. temperature
+88°F
+79°F
+66°F
Rainfall
73 mm
51 mm
50 mm
Wind
2 m/s
2 m/s
3 m/s
Avg. water temperature
+65°F
+58°F
+49°F
Humidity
75%
79%
83%
Air pressure
1011 HPa
1012 HPa
1011 HPa
Sunny days
5
5
4
Cloudy days
6
10
12
Rainy days
18
15
14
Snowy days
0
0
1
September weather is still as ok as in August.It’s getting colder in September. From +68°F in the day, the average maximum temperature lowers to +61°F.As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 73 mm to 51 mm.Humidity rises from 75% to 79%.The average wind speed doesn’t change much during September, staying around 2 m/s.The amount of sunny days stay about the same, averaging 5 sunny days during the month.
October brings much the same weather, it remains ok.
Wind speed in Stockholm in September based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Stockholm is gradually increasing during September, going from 1 m/s to 4 m/s over the course of the month.
Rain
Amount of rainfall in mm during September in Stockholm based on historical data.
Last Year
Historical Data
Typically, there is a 30% chance of rain on an average day in September, with total rainfall of approximately 65 mm. The maximum amount of rainfall per day is around 32 mm, which is moderate rain.On average, there are about 9 rainy days during September, so prepare to bring an umbrella.
Here’s how September is compared with other months in the amount of precipitation, total mm:
Stockholm wettest month is August, where a typical day has a 58% chance of precipitation and 73 mm of rainfall per day. February, on the other hand, is the driest month with a mere 10% chance of precipitation and 9 mm of rainfall per day.
How was the weather last September in Stockholm?
This is the weather in Stockholm in September 2023:
1 September
🌧️
+64°F
2 September
☁️
+59°F
3 September
☀️
+63°F
4 September
☀️
+74°F
5 September
☀️
+72°F
6 September
☀️
+65°F
7 September
☀️
+68°F
8 September
☀️
+72°F
9 September
☀️
+74°F
10 September
☀️
+75°F
11 September
🌫️
+68°F
12 September
🌫️
+68°F
13 September
🌧️
+60°F
14 September
☀️
+59°F
15 September
☀️
+64°F
16 September
☁️
+67°F
17 September
☀️
+59°F
18 September
☁️
+61°F
19 September
🌧️
+68°F
20 September
☁️
+66°F
21 September
☀️
+72°F
22 September
☀️
+68°F
23 September
☁️
+65°F
24 September
☀️
+61°F
25 September
☀️
+61°F
26 September
☁️
+66°F
27 September
☀️
+66°F
28 September
☁️
+66°F
29 September
☀️
+64°F
30 September
☀️
+61°F
In September 2023 Stockholm had 18 sunny days, 7 cloudy days, and 3 rainy days. The average maximum temperature was +66°F, with an absolute maximum of +75°F and a minimum of +59°F. The average humidity was 85%, with a maximum of 100% and a minimum of 52%. The average wind speed was 3 m/s, with a maximum of 8 m/s and a minimum of 0 m/s.
Are you planning a trip in September?
Climate Change Over the Years
This is how Stockholm climate has changed over the last 43 years.
The climate in Stockholm in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1985 (+45°F) and the highest in 2020 (+54°F). The driest year was 2018 with only 313 mm of rainfall, and the wettest year was 2023 with 835 mm.
FAQ
Frequently asked questions about the weather in Stockholm in September:
Is September a good time to visit Stockholm?
It’s always a good time to visit Stockholm, but the weather is changeable in September, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Stockholm in September?
September has mild temperatures in Stockholm. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Stockholm in September?
Swimming in Stockholm in September is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.
Is Stockholm rainy in September?
Stockholm is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Stockholm in September?
Usually, it’s not very sunny in Stockholm in September, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
How much does it cost to fly to Stockholm in September?
The normal prices to fly to Stockholm is $570 - $570. It means that the majority of our users have picked flights in this range. To find the best price we recommend you search early, using our flexible dates feature.
For this page, we’ve looked at the typical weather in Stockholm, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.