September weather forecastMercina, Romania
September
Weather in September
September, the first month of the autumn in Mercina, is still a warm month, with an average temperature ranging between max 23.1°C (73.6°F) and min 11.7°C (53.1°F).Temperature
In Mercina, entering September brings a temperature decrement, reducing from August's warm 29°C (84.2°F) to a still moderately hot 23.1°C (73.6°F). Throughout the month of September, Mercina observes an average nighttime temperature of 11.7°C (53.1°F).Humidity
The average relative humidity in September is 62%.Rainfall
The month with the least rainfall in Mercina is September, when the rain falls for 8.3 days and typically collects 18mm (0.71") of precipitation.Snowfall
May through September are months without snowfall in Mercina.Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Mercina, sunrise is at 06:56 and sunset at 20:11. On the last day of the month, sunrise is at 07:31 and sunset at 19:16 EEST.
Sunshine
The average sunshine in September in Mercina is 9h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mercina, Romania
- Average high temperature in September: 23.1°C
The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Mercina, Romania
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).
Average wind speed in September
Mercina, Romania
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is February (10.4km/h).
The calmest month (with the lowest average wind speed) is July (8km/h).
Average humidity in September
Mercina, Romania
- Average humidity in September: 62%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Mercina, Romania
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is May (61mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in September
Mercina, Romania
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is August (7.6 days).
Average snowfall in September
Mercina, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is January (106mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Mercina, Romania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.6 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
Mercina, Romania
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Mercina, Romania
- Average sunshine days in September: 19.6 days
The month with the most sunshine days is August (21.1 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in September
Mercina, Romania
- Average UV index in September: 4
The months with the highest UV index are 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
Mercina, Romania
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Mercina, Romania
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).





