Băile Herculane Weather in September
September in Băile Herculane sees daytime temperatures around 21°C (70°F) and lows of 10°C (50°F) at night. With around 78 mm (3.1 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Băile Herculane in September
Historically, approximately 8 days this month are expected to have rain, averaging 78 mm (3.1 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.
Temperature in Băile Herculane in September
If you're visiting Băile Herculane in September, expect perfect temperatures with highs of 21°C (70°F) and overnight lows of 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 10°C (50°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Băile Herculane.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Romania, check out our Băile Herculane's climate page.
Băile Herculane Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Băile Herculane typically drop from around 25°C (77°F) at the start of September to approximately 21°C (70°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 14°C (57°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 Băile Herculane in September
Browse day-by-day weather records for Băile Herculane spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Băile Herculane historical weather extremes in September
Our historical data for Băile Herculane spans 1976 to 2025, revealing these weather extremes.
- The warmest day in September was on September 2, 2015, with a maximum of 36°C (97°F).
- Băile Herculane experienced its chilliest September day on September 30, 2013, reaching only 11°C (52°F).
- Nighttime temperatures dropped to -1°C (30°F) on September 16, 2002, marking the coldest September night on record.
Best Places in Romania in September
Find out more about the weather in Romania and which places have the best travel conditions in this month. See all of Romania in September →
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What to Wear in Băile Herculane 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. Wet weather is likely, so pack waterproof gear for multiple rainy days.What To Do in Băile Herculane 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 Romania, check out our Băile Herculane's climate page.
See the full Băile Herculane climate overview or explore weather in Romania.