September weather forecastCopăceana, Romania

September

Weather in September

September, the first month of the autumn in Copăceana, is also a moderately hot month, with an average temperature fluctuating between 12.9°C (55.2°F) and 23.6°C (74.5°F).

Temperature

As August transitions into September, Copăceana sees a drop in the average high-temperature, transitioning from a moderately hot 29.6°C (85.3°F) to a still warm 23.6°C (74.5°F). Copăceana cools down to an average low-temperature of 12.9°C (55.2°F) throughout the month of September.

Humidity

In Copăceana, the average relative humidity in September is 56%.

Rainfall

In September, in Copăceana, the rain falls for 6.3 days. Throughout September, 15mm (0.59") of precipitation is accumulated. In Copăceana, Romania, during the entire year, the rain falls for 111.6 days and collects up to 298mm (11.73") of precipitation.

Snowfall

In Copăceana, snow does not fall in May through October.

Daylight

The average length of the day in September in Copăceana is 12h and 33min.
On the first day of the month, sunrise is at 06:28 and sunset at 19:46. On the last day of September, sunrise is at 07:05 and sunset at 18:49 EEST.

Sunshine

In September, the average sunshine in Copăceana is 10.1h.

UV index

The average daily maximum UV index in September in Copăceana is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Frequently asked questions

In September, in Copăceana, the average high-temperature is 23.6°C (74.5°F), and the average low-temperature is 12.9°C (55.2°F). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 30°C (86°F).

In September, the average relative humidity in Copăceana, Romania, is 56%.

In Copăceana, in September, during 6.3 rainfall days, 15mm (0.59") of precipitation is typically accumulated.

May through October are months without snowfall in Copăceana.

The average day length in September is 12h and 33min.

On the first day of September in Copăceana, Romania, sunrise is at 06:28 and sunset at 19:46. On the last day of the month, sunrise is at 07:05 and sunset at 18:49 EEST.

The average sunshine duration in September in Copăceana, Romania, is 10.1h.

The average daily maximum UV index in September in Copăceana, Romania, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Copăceana, Romania

  • Average high temperature in September: 23.6°C

The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (0.3°C).

  • Average low temperature in September: 12.9°C

The month with the highest average low temperature is July (17.3°C).
The coldest month (with the lowest average low temperature) is January (-5.1°C).

Average pressure in September
Copăceana, Romania

  • Average pressure in September: 1017mbar

The month with the highest atmospheric pressure is October (1019.9mbar).
The month with the lowest atmospheric pressure is July (1012.9mbar).

Average wind speed in September
Copăceana, Romania

  • Average wind speed in September: 11.9km/h

The windiest month (with the highest average wind speed) is March (15.1km/h).
The calmest month (with the lowest average wind speed) is July (11.4km/h).

Average humidity in September
Copăceana, Romania

  • Average humidity in September: 56%

The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (50%).

Average rainfall in September
Copăceana, Romania

  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is June (44mm).
The driest month (with the least rainfall) is August (9mm).

Average rainfall days in September
Copăceana, Romania

  • Average rainfall days in September: 6.3 days

The month with the highest number of rainy days is May (14.5 days).
The month with the least rainy days is August (4.3 days).

Average snowfall in September
Copăceana, Romania

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (81mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Copăceana, Romania

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).

  • Average sunshine in September: 10h and 6min

The month with the most sunshine is August (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in September
Copăceana, Romania

  • Average sunshine days in September: 21.8 days

The month with the most sunshine days is August (25.2 days).
The month with the least sunshine days is February (12.8 days).

Average UV index in September
Copăceana, Romania

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Copăceana, Romania

  • Average cloud cover in September: 27

The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 19).

Average visibility in September
Copăceana, Romania

  • Average visibility in September: 10km

The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).