Rogaška Slatina Weather in September
September in Rogaška Slatina typically sees daytime highs of 22°C (72°F) and nighttime lows of 11°C (52°F). As the wettest month of the year, expect more rainfall than other months.
Rainfall in Rogaška Slatina in September
This is the wettest month of the year, so having an umbrella ready is a smart choice. Typically, about 12 days will experience rainfall, with an average of 107 mm (4.2 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Rogaška Slatina in September
Rogaška Slatina in September gets highs of 22°C (72°F) during the day and drops to 11°C (52°F) at night. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights drop to around 11°C (52°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Rogaška Slatina in September
The month enjoys around 192 hours of sunshine, creating mostly sunny days with good weather conditions.If you prefer dry days with pleasant temperatures, May, 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.
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 Rogaška Slatina's climate page.
Rogaška Slatina Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Rogaška Slatina typically drop from around 23°C (73°F) at the start of September to approximately 19°C (66°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°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 Rogaška Slatina in September
Browse day-by-day weather records for Rogaška Slatina spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rogaška Slatina historical weather extremes in September
Our historical data for Rogaška Slatina spans 1976 to 2025, revealing these weather extremes.
- On September 20, 1987, temperatures climbed to 33°C (91°F), marking the warmest September day on record.
- Rogaška Slatina experienced its chilliest September day on September 30, 2013, reaching only 9°C (48°F).
- The lowest overnight temperature recorded in September was -1°C (30°F) (September 29, 1977).
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 →
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What to Wear in Rogaška Slatina 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. Expect heavy rainfall, so bring good rain protection and waterproof bags. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Rogaška Slatina 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 Rogaška Slatina's climate page.
See the full Rogaška Slatina climate overview or explore weather in Slovenia.