September weather forecastCostișa, Romania

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Costișa, Romania, with temperature in the range of an average low of 9.8°C (49.6°F) and an average high of 20.8°C (69.4°F).

Temperature

September comes with a decrease in the average high-temperature, falling from a moderately hot 25.8°C (78.4°F) in August to a pleasant 20.8°C (69.4°F). Costișa throughout September, records an average low-temperature of 9.8°C (49.6°F).

Humidity

In Costișa, the average relative humidity in September is 65%.

Rainfall

In Costișa, Romania, during September, the rain falls for 8.5 days and regularly aggregates up to 21mm (0.83") of precipitation. In Costișa, Romania, during the entire year, the rain falls for 135.7 days and collects up to 447mm (17.6") of precipitation.

Snowfall

May through September are months without snowfall in Costișa.

Daylight

The average length of the day in September is 12h and 33min.
On the first day of September, sunrise is at 06:33 and sunset at 19:52. On the last day of the month, sunrise is at 07:11 and sunset at 18:55 EEST.

Sunshine

In Costișa, the average sunshine in September is 10h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 4 in September transforms into this advice:
Ensure safety - Sun damage prevention is strongly urged. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

During September, Costișa experiences an average high-temperature of 20.8°C (69.4°F) and a low-temperature of 9.8°C (49.6°F).

The average relative humidity in September is 65%.

In Costișa, Romania, in September, during 8.5 rainfall days, 21mm (0.83") of precipitation is typically accumulated.

May through September are months without snowfall.

In Costișa, Romania, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Costișa is 12h and 33min.

On the first day of September in Costișa, sunrise is at 06:33 and sunset at 19:52. On the last day of the month, sunrise is at 07:11 and sunset at 18:55 EEST.

In September, the average sunshine duration in Costișa, Romania, is 10h.

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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
Costișa, Romania

  • Average high temperature in September: 20.8°C

The warmest month (with the highest average high temperature) is August (25.8°C).
The month with the lowest average high temperature is January (0°C).

  • Average low temperature in September: 9.8°C

The month with the highest average low temperature is July (13.6°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).

Average pressure in September
Costișa, Romania

  • Average pressure in September: 1017.7mbar

The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is June (1013.9mbar).

Average wind speed in September
Costișa, Romania

  • Average wind speed in September: 8.1km/h

The windiest month (with the highest average wind speed) is April (10.1km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).

Average humidity in September
Costișa, Romania

  • Average humidity in September: 65%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is August (64%).

Average rainfall in September
Costișa, Romania

  • Average rainfall in September: 21mm

The wettest month (with the highest rainfall) is June (97mm).
The driest month (with the least rainfall) is November (14mm).

Average rainfall days in September
Costișa, Romania

  • Average rainfall days in September: 8.5 days

The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is December (5.2 days).

Average snowfall in September
Costișa, Romania

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (130mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Costișa, Romania

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 10h and 0min

The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in September
Costișa, Romania

  • Average sunshine days in September: 19.5 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (7.9 days).

Average UV index in September
Costișa, Romania

  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).

Average cloud cover in September
Costișa, Romania

  • Average cloud cover in September: 29

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 24).

Average visibility in September
Costișa, Romania

  • Average visibility in September: 10km

The months with the highest visibility are August and September (10km).
The month with the lowest visibility is February (7km).