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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Kamnik's climate page.
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
*
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 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 49 years of weather observations in Kamnik between 1976 and 2025, these are the recorded extremes.
- Kamnik recorded its highest September temperature of 31°C (88°F) on September 1, 2015.
- 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
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tolerable
unpleasant
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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.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Slovenia, check out our Kamnik's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Kamnik climate overview or explore weather in Slovenia.
