Stockholm is one of the most beautiful cities in the world
The Swedish capital is special because of the mix of culture, nature and city. It's a city that should be on everyone's bucket list.
Onsala Weather in September
With daytime temperatures of 18°C (64°F) and nighttime lows of 11°C (52°F), September in Onsala brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 95 mm (3.7 in) falls on average.
Rainfall in Onsala in September
Looking at the last 30 years, the data shows about 14 days with rain, averaging 95 mm (3.7 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Onsala in September
In September, expect moderate temperatures in Onsala, with highs of 18°C (64°F) and lows of 11°C (52°F) at night. Conditions are often most pleasant around the middle of the day. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.
Sunshine in Onsala in September
With about 143 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Onsala.
Onsala Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
18°C (64°F)
Chance of Rain
45%
Precipitation
95 mm (3.7 in)
Rainy days
14 days
Humidity
75% *
Sunshine
143 hours *
Percentage Sunshine
*
* Data from: Falkenberg, Sweden (64 KM, 40 Miles).
Onsala Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Onsala - and find the best time to visit.
Best Places in Sweden in September
Find out more about the weather in Sweden and which places have the best travel conditions in this month. See all of Sweden in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Onsala in September
For Onsala in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Sunglasses could come in handy during the sunnier parts of your trip.
What To Do in Onsala in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling6/10 -
Walking6/10 -
Camping8/10 -
Outdoor sports9/10
Onsala 3-Day Forecast
More climate data for Onsala
Temperature Rainfall Sunshine Humidity
See the full Onsala climate overview or explore weather in Sweden.
Popular in September
Where to go in September - average daytime high across popular destinations.
Lund
18°C (64°F) Malmö19°C (66°F) Gothenburg
18°C (64°F) Karlskrona17°C (63°F) Falkenberg18°C (64°F) Simrishamn17°C (63°F) Stockholm17°C (63°F) Visby
17°C (63°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Stockholm is one of the most beautiful cities in the world
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