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Uppsala Weather in September
Uppsala in September averages 17°C (63°F) during the day and 7°C (45°F) at night. Some rainfall is typical for this time of year.
Rainfall in Uppsala in September
Expect around 14 days of rain based on historical data, with 55 mm (2.2 in) average. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Uppsala in September
September in Uppsala brings moderate temperatures, with highs of 17°C (63°F) and nights around 7°C (45°F). The difference between afternoon and evening temperatures is usually noticeable. Nights fall to 7°C (45°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Uppsala in September
The month brings about 154 hours of sunlight, offering a comfortable mix of sun and overcast.If you prefer enjoying temperate temperatures and rain-free days, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Uppsala Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
17°C (63°F)
Chance of Rain
47%
Precipitation
55 mm (2.2 in)
Rainy days
14 days
Sunshine
154 hours *
Percentage Sunshine
*
* Data from: Mälaren, Sweden (46 KM, 29 Miles).
Uppsala Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Uppsala - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Uppsala typically drop from around 18°C (64°F) at the start of September to approximately 13°C (55°F) by the end. Nights are cold, with lows typically ranging from 4°C (39°F) to 9°C (48°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Uppsala in September
Browse day-by-day weather records for Uppsala spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Uppsala historical weather extremes in September
Based on 49 years of weather observations in Uppsala between 1976 and 2025, these are the recorded extremes.
- The hottest September day on record in Uppsala reached 28°C (82°F) (September 5, 2024).
- The coldest September day was on September 28, 2003, with a maximum of 7°C (45°F).
- The coldest night in September in Uppsala was on September 30, 2001, with a minimum of -4°C (25°F).
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 Uppsala in September
For Uppsala 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. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Uppsala 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 -
Barbeque6/10 -
Camping4/10 -
Outdoor sports10/10
Uppsala 3-Day Forecast
More climate data for Uppsala
See the full Uppsala 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.
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