Sibiu Weather in September
During September, Sibiu experiences pleasant daytime temperatures of 21°C (70°F) and cooler nights around 10°C (50°F). Expect quite a bit of rainfall. Around 94 mm (3.7 in) is typical.
Rainfall in Sibiu in September
Expect around 9 days of rain based on historical data, with 94 mm (3.7 in) average. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in Sibiu in September
Sibiu in September is worth a visit. The temperature is perfect, with 21°C (70°F) during the day and 10°C (50°F) at night. Conditions are often most pleasant around the middle of the day. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.
Sunshine in Sibiu in September
The month experiences a moderate amount of sunlight, with 178 hours of sunshine. This provides a nice balance between sunshine and clouds.
Wind Speed in Sibiu in September
September has wind speeds averaging 1 m/s (2 knots). You can expect very gentle conditions with light air movement on typical days. Since this is an average, daily weather varies from perfectly still moments to some breezier days.If your ideal day consists of dry skies and pleasant temperatures, September typically offers the best circumstances for Sibiu.
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 Sibiu's climate page.
Sibiu Temperature in September
Min Temperature
10°C (50°F)
Max Temperature
21°C (70°F)
Chance of Rain
31%
Precipitation
94 mm (3.7 in)
Rainy days
9 days
Humidity
76%
Windspeed
1 m/s (2 knots)
Sunshine
178 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Sibiu 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 7°C (45°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 Sibiu in September
Browse day-by-day weather records for Sibiu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Sibiu historical weather extremes in September
Our historical data for Sibiu spans 1976 to 2025, revealing these weather extremes.
- The hottest September day on record in Sibiu reached 34°C (93°F) (September 14, 1987).
- The coldest September day was on September 27, 1977, with a maximum of 8°C (46°F).
- The lowest overnight temperature recorded in September was -3°C (27°F) (September 29, 1977).
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Sibiu 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Sibiu 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 Sibiu's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Sibiu climate overview or explore weather in Romania.
