September weather forecast
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

Weather in September

The first month of the autumn, September, is still a warm month in Bucharest, Romania, with an average temperature fluctuating between 11.1°C (52°F) and 24.6°C (76.3°F).

Temperature

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

Humidity

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

Rainfall

In Bucharest, Romania, during September, the rain falls for 5 days and regularly aggregates up to 42mm (1.65") of precipitation. In Bucharest, during the entire year, the rain falls for 72 days and collects up to 595mm (23.43") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Bucharest, the average length of the day in September is 12h and 31min.
On the first day of September in Bucharest, sunrise is at 06:38 and sunset at 19:52. On the last day of the month, sunrise is at 07:12 and sunset at 18:59 EEST.

Sunshine

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

UV index

In Bucharest, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 5 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. 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.
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FAQ

What is the average humidity in September in Bucharest?

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

How many days does it rain in September in Bucharest?

In Bucharest, Romania, in September, it is raining for 5 days, with typically 42mm (1.65") of accumulated precipitation.

When it does not snow in Bucharest?

May through October are months without snowfall.

How many hours of daylight does Bucharest have in September?

In Bucharest, the average day length in September is 12h and 31min.

When are sunrise and sunset in September in Bucharest?

On the first day of September in Bucharest, sunrise is at 06:38 and sunset at 19:52. On the last day of the month, sunrise is at 07:12 and sunset at 18:59 EEST.

How many hours of sunshine does Bucharest have in September?

In September, the average sunshine duration is 7.5h.

How high is the UV index in September in Bucharest?

The average daily maximum UV index in September in Bucharest is 5. A UV Index of 3 to 5 symbolizes a medium hazard to health from unprotected exposure to UV radiation.

Average temperature in September
Bucharest, Romania

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).

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Average humidity in September
Bucharest, Romania

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%).

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Average rainfall in September
Bucharest, Romania

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).

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Average rainfall days in September
Bucharest, Romania

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

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

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Average snowfall in September
Bucharest, Romania

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

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

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Average daylight in September /
Average sunshine in September
Bucharest, Romania

Average daylight in September / Average sunshine in September - Bucharest, Romania
  • Average daylight in September: 12h and 31min

The month with the longest days is June (Average daylight: 15h and 29min).
The month with the shortest days is December (Average daylight: 8h and 55min).

  • 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).

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Average UV index in September
Bucharest, Romania

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

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

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