Go to Bovec in Slovenia
With mountains that linger in the blue sky, an emerald-green river Bovec offers picturesque scenes that are a must see for your bucket list.
Radovljica Weather in September
Radovljica in September averages 19°C (66°F) during the day and 10°C (50°F) at night. This is the wettest month of the year.
Rainfall in Radovljica in September
This month is characterized by heavy rain, often falling intensely. Equip yourself with a poncho to stay protected from the rain. Historically, September sees about 13 days of rain, with a monthly average of 154 mm (6.1 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Radovljica in September
September in Radovljica brings typical temperatures with highs around 19°C (66°F) and lows of 10°C (50°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Radovljica in September
You can expect a moderate amount of sunlight, with approximately 188 hours. This means a pleasant mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Radovljica.
Radovljica Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
19°C (66°F)
Chance of Rain
43%
Precipitation
154 mm (6.1 in)
Rainy days
13 days
Humidity
55% *
Sunshine
188 hours *
Percentage Sunshine
53% *
* Data from: Klagenfurt, Austria (36 KM, 22 Miles).
Radovljica Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Radovljica - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Radovljica typically drop from around 22°C (72°F) at the start of September to approximately 18°C (64°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 10°C (50°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 Radovljica in September
Browse day-by-day weather records for Radovljica spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Radovljica historical weather extremes in September
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Radovljica.
- Radovljica recorded its highest September temperature of 31°C (88°F) on September 4, 2026.
- On September 18, 1977, Radovljica saw its coldest September day with temperatures maxing out at 6°C (43°F).
- The coldest night in September in Radovljica was on September 30, 2005, with a minimum of -2°C (28°F).
Best Places in Slovenia in September
Find out more about the weather in Slovenia and which places have the best travel conditions in this month. See all of Slovenia 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 Radovljica in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. 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 Radovljica in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Swimming6/10 -
Camping3/10
Radovljica 3-Day Forecast
More climate data for Radovljica
Temperature Rainfall Sunshine Humidity
See the full Radovljica climate overview or explore weather in Slovenia.
Popular in September
Where to go in September - average daytime high across popular destinations.
Piran
24°C (75°F) Portorož24°C (75°F) Maribor
21°C (70°F) Ljubljana21°C (70°F) Bled19°C (66°F) Bovec19°C (66°F) Bohinj19°C (66°F) Kranjska Gora18°C (64°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Go to Bovec in Slovenia
Experience Dazzling Fairy Tales In The Lake Bled Of Slovenia
Slovenia's most well-known tourist destination is Lake Bled, which is still relatively undiscovered when compared to other European attractions despite its growing notoriety.
The 10 most charming villages in France
Discover France's top 10 beautiful villages. From Normandy to the Côte d'Azur, experience quaint squares and cobbled streets. Which one will you visit this summer?
The train journey from Bucharest to Brasov is one of the most beautiful in Romania
In three hours, you'll get from Bucharest to Brasov by train. It is one of the most beautiful routes in Romania, certainly the most beautiful that can be done by express train.