September weather forecast and climate
Bucharest, Romania

A water fountain in front of the Palace of Parliament, one of the most prominent buildings in the world, in Bucharest, Romania
A water fountain in front of the Palace of Parliament, one of the most prominent buildings in the world, in Bucharest, Romania
The first month of the autumn, September, is also a moderately hot month in Bucharest, Romania, with temperature in the range of an average low of 11.1°C (52°F) and an average high of 24.6°C (76.3°F).

Temperature

In Bucharest, Romania, the average high-temperature slightly decreases, from 28.5°C (83.3°F) in August, to a still warm 24.6°C (76.3°F). In September, in Bucharest, the average low-temperature is 11.1°C (52°F).

Humidity

In September, the average relative humidity is 76%.

Rainfall

In Bucharest, Romania, in September, it is raining for 5 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, in Bucharest, there are 72 rainfall days, and 595mm (23.43") of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Bucharest.

Daylight

In Bucharest, the average length of the day is 12.5h.

Sunshine

The average sunshine in September is 7.5h.

UV index

In Bucharest, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from the exposure to the Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Bucharest?

The average high-temperature, in September, in Bucharest, is 24.6°C (76.3°F), while the average low-temperature is 11.1°C (52°F).

What is the average humidity in September in Bucharest?

The average relative humidity in September in Bucharest is 76%.

How much does it rain in Bucharest in September?

In September, in Bucharest, the rain falls for 5 days. Throughout September, 42mm (1.65") of precipitation is accumulated.

When it does not snow in Bucharest?

May through October are months without snowfall.

What is the average length of the day in September in Bucharest?

In Bucharest, the average length of the day in September is 12.5h.

How long on average sun shines in September in Bucharest?

In Bucharest, Romania, the average sunshine in September is 7.5h.

What is the UV index intensity in September in Bucharest?

The average daily maximum UV index in September in Bucharest, Romania, is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Bucharest, Romania
  • Average high temperature in September: 24.6°C

The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (1.5°C).

  • Average low temperature in September: 11.1°C

The month with the highest average low temperature is July (15.6°C).
The coldest month (with the lowest average low temperature) is January (-5.5°C).

Average humidity in September - Bucharest, Romania
  • Average humidity in September: 76%

The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (73%).

Average rainfall in September - Bucharest, Romania
  • Average rainfall in September: 42mm

The wettest month (with the highest rainfall) is June (77mm).
The driest month (with the least rainfall) is October (32mm).

Average rainfall days in September - Bucharest, Romania
  • Average rainfall days in September: 5 days

Months with the highest number of rainy days are April and July (7 days).
Months with the least rainy days are September and October (5 days).

Average snowfall in September - Bucharest, Romania
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (137mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

Average daylight in September / Average sunshine in September - Bucharest, Romania
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.5h).
The month with the shortest days is December (Average daylight: 8.9h).

  • Average sunshine in September: 7.5h

The month with the most sunshine is July (Average sunshine: 9.3h).
The month with the least sunshine is December (Average sunshine: 2h).

Average UV index in September - Bucharest, Romania
  • Average UV index in September: 5

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).