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.
Kamnik Weather in September
Kamnik in September averages 21°C (70°F) during the day and 11°C (52°F) at night. This is the wettest month of the year.
Rainfall in Kamnik in September
This month sees the most rain, so carrying an umbrella will ensure you stay dry. Historically, September sees about 13 days of rain, with a monthly average of 125 mm (4.9 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Kamnik in September
Kamnik in September gets highs of 21°C (70°F) during the day and drops to 11°C (52°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Kamnik in September
The city usually sees around 182 hours of sunlight, indicating a moderately sunny period.
Wind Speed in Kamnik in September
Wind speeds average 2 m/s (4 knots) during September. At this speed, expect light breezes that you can feel on your face and cause leaves to rustle gently. Since this is an average, some days are calmer with barely any wind while others have more noticeable gentle breezes.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
Kamnik Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
21°C (70°F)
Chance of Rain
42%
Precipitation
125 mm (4.9 in)
Rainy days
13 days
Humidity
72% *
Windspeed
2 m/s (4 knots) *
Sunshine
182 hours *
Percentage Sunshine
*
* Data from: Ljubljana, Slovenia (20 KM, 12 Miles).
Kamnik Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kamnik - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kamnik typically drop from around 22°C (72°F) at the start of September to approximately 19°C (66°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 11°C (52°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 Kamnik in September
Browse day-by-day weather records for Kamnik spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kamnik historical weather extremes in September
Based on 50 years of weather observations in Kamnik between 1976 and 2026, these are the recorded extremes.
- Kamnik recorded its highest September temperature of 32°C (90°F) on September 8, 2026.
- On September 18, 1977, Kamnik saw its coldest September day with temperatures maxing out at 6°C (43°F).
- Kamnik registered its coldest September night on September 29, 2008, with temperatures dropping to -1°C (30°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 Kamnik in September
For Kamnik 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. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Kamnik in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling9/10 -
Walking9/10 -
Camping6/10 -
Outdoor sports9/10
Kamnik 3-Day Forecast
More climate data for Kamnik
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Kamnik 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.
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