Bucharest
Romania
Long-term weather forecast
Long-term weather forecast

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, on a beautiful sunny morning
A water fountain in front of the Palace of Parliament, one of the most prominent buildings in the world, in Bucharest, Romania, on a beautiful sunny morning
September, the first month of the autumn, in Bucharest, is still a warm month, with average temperature ranging between max 24.6°C (76.3°F) and min 11.1°C (52°F).

Temperature

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

Humidity

The average relative humidity in September is 76%.

Rainfall

In September, in Bucharest, the rain falls for 5 days. Throughout September, 42mm (1.7") of precipitation is accumulated. In Bucharest, during the entire year, the rain falls for 72 days and collects up to 595mm (23.4") of precipitation.

Snowfall

In Bucharest, Romania, during the entire year, snow aggregates up to 560mm (22").

Daylight

The average length of the day in Bucharest is 12.5h.

Sunshine

The average sunshine in Bucharest, Romania, is 7.5h.

UV index

In Bucharest, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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?

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

What is the average humidity in September in Bucharest?

In September, the average relative humidity in Bucharest is 76%.

How much does it rain in Bucharest in September?

In Bucharest, in September, it is raining for 5 days, with typically 42mm (1.7") of accumulated precipitation.

How many hours of daylight does Bucharest have in September?

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

How many hours of sunshine does Bucharest have in September?

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

What is the UV index reading in September in Bucharest?

In Bucharest, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to the Sun's UV rays.
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 lowest 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 lowest number of 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 lowest 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 shortest days is December (Average daylight: 8.9h).

  • Average sunshine in September: 7.5h

The month with most sunshine is July (Average sunshine: 9.3h).
The month with 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).