Weather in Sibiu in September 2025
Average weather
Average temperature in Sibiu in September
The expected average maximum temperature in September is +25°C with a maximum of +30°C and a minimum of +8°C.
The average maximum temperature goes down 5% by the end of the month, compared with the beginning of the month, from +25°C to +24°C.
Is Sibiu warm or cold in September?
Sibiu is typically mild in September.
Maximum temperatures go down compared to the previous month from +25°C to +21°C. The minimum temperature also goes down from +14°C to +10°C.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Sibiu:
Climate in Sibiu in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +25°C | +21°C | +15°C | ||||
| Min. temperature | ||||||
| +3°C | 0°C | -8°C | ||||
| Max. temperature | ||||||
| +38°C | +33°C | +31°C | ||||
| Rainfall | ||||||
| 138 mm | 82 mm | 54 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 73% | 76% | 78% | ||||
| Air pressure | ||||||
| 1015 HPa | 1017 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 9 | 9 | 10 | ||||
| Cloudy days | ||||||
| 2 | 5 | 8 | ||||
| Rainy days | ||||||
| 14 | 15 | 11 | ||||
| Snowy days | ||||||
| 0 | 0 | 1 | ||||
September typically has worse weather conditions compared to August. It’s getting colder in September. From +25°C in the day, the average maximum temperature lowers to +21°C. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 138 mm to 82 mm. Humidity rises from 73% to 76%. The average wind speed doesn’t change much during September, staying around 1 m/s. The amount of sunny days stay about the same, averaging 9 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 1 m/s getting up to 3 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Sibiu is gradually increasing during September, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last September in Sibiu?
Climate Change over Years
The climate in Sibiu in September has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+12°C) and the highest in 2019 (+17°C). The driest year was 2003 with only 593 mm of rainfall, and the wettest year was 2016 with 1317 mm.
FAQ
Is September a good time to visit Sibiu?
Can you sunbathe in Sibiu in September?
Is Sibiu rainy in September?
Is it sunny in Sibiu in September?
Other cities in Romania
Monthly weather in Sibiu
Source of the data
For this page, we’ve looked at the typical weather in Sibiu, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.