September weather forecastOptăşani, Romania
September
Weather in September
September, the first month of the autumn in Optăşani, is also a moderately hot month, with temperature in the range of an average high of 24.2°C (75.6°F) and an average low of 13°C (55.4°F).Temperature
September comes with a drop in the average high-temperature, falling from August's warm 29.5°C (85.1°F) to a still moderately hot 24.2°C (75.6°F). September witnesses an average low-temperature hovering around a moderate 13°C (55.4°F).Humidity
The average relative humidity in September is 55%.Rainfall
August and September are months with the least rain in Optăşani when the rain falls for 5.3 days and typically aggregates up to 16mm (0.63") of rain.Snowfall
In Optăşani, snow does not fall in May through October.Daylight
In Optăşani, the average length of the day in September is 12h and 31min.On the first day of September in Optăşani, sunrise is at 06:44 and sunset at 19:58. On the last day of the month, sunrise is at 07:19 and sunset at 19:04 EEST.
Sunshine
In September, the average sunshine in Optăşani is 10.2h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Optăşani, Romania
- Average high temperature in September: 24.2°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Optăşani, Romania
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).
Average wind speed in September
Optăşani, Romania
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is April (9.9km/h).
The calmest months (with the lowest average wind speed) are November and December (7.6km/h).
Average humidity in September
Optăşani, Romania
- Average humidity in September: 55%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Optăşani, Romania
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is June (71mm).
The driest months (with the least rainfall) are August and September (16mm).
Average rainfall days in September
Optăşani, Romania
- Average rainfall days in September: 5.3 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is September (5.3 days).
Average snowfall in September
Optăşani, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is January (124mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Optăşani, Romania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.7 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
Optăşani, Romania
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Optăşani, Romania
- Average sunshine days in September: 23.9 days
The month with the most sunshine days is September (23.9 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in September
Optăşani, Romania
- Average UV index in September: 5
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
Optăşani, Romania
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Optăşani, Romania
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August, September and October (10km).
The months with the lowest visibility are January and February (8km).
