September weather forecastGreșu, Romania
September
Weather in September
September, the first month of the autumn in Greșu, is also an agreeable month, with an average temperature ranging between min 10.4°C (50.7°F) and max 21.7°C (71.1°F).Temperature
Greșu's weather in September involves a decrease in the average high-temperature, moving down from August's warm 27°C (80.6°F) to a pleasant 21.7°C (71.1°F). An average low-temperature of 10.4°C (50.7°F) is common in Greșu during the nights of September.Humidity
The average relative humidity in September is 63%.Rainfall
September and November are months with the least rain in Greșu when the rain falls for 8.5 days and typically aggregates up to 20mm (0.79") of rain.Snowfall
May through September are months without snowfall in Greșu.Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Greșu, sunrise is at 06:35 and sunset at 19:52. On the last day of the month, sunrise is at 07:11 and sunset at 18:56 EEST.
Sunshine
The average sunshine in September is 10.1h.UV index
In Greșu, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Greșu, Romania
- Average high temperature in September: 21.7°C
The warmest month (with the highest average high temperature) is August (27°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-5.6°C).
Average pressure in September
Greșu, Romania
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is December (1020.1mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).
Average wind speed in September
Greșu, Romania
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is April (10.9km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Greșu, Romania
- Average humidity in September: 63%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (59%).
Average rainfall in September
Greșu, Romania
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is June (87mm).
The driest months (with the least rainfall) are September and November (20mm).
Average rainfall days in September
Greșu, Romania
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in September
Greșu, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is January (131mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Greșu, Romania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 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
Greșu, 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 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Greșu, Romania
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is August (21.1 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Greșu, 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, October, November and December (UV index 2).
Average cloud cover in September
Greșu, Romania
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 21).
Average visibility in September
Greșu, Romania
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and December (8km).





