September weather forecastValea lui Ion, Romania
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Valea lui Ion, Romania, with an average temperature varying between 20.8°C (69.4°F) and 9.8°C (49.6°F).Temperature
The transition into September involves a decrease in the average high-temperature, falling from a warm 25.8°C (78.4°F) in August to a pleasant 20.8°C (69.4°F). Throughout September nights, Valea lui Ion registers an average low-temperature of 9.8°C (49.6°F).Humidity
In September, the average relative humidity is 65%.Rainfall
In September, the rain falls for 8.5 days. Throughout September, 21mm (0.83") of precipitation is accumulated. In Valea lui Ion, 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.Daylight
In Valea lui Ion, Romania, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 06:33 and sunset at 19:52. On the last day of September, sunrise is at 07:11 and sunset at 18:55 EEST.
Sunshine
In September, the average sunshine is 10h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. 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
Valea lui Ion, 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
Valea lui Ion, 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
Valea lui Ion, 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
Valea lui Ion, 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
Valea lui Ion, 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
Valea lui Ion, 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
Valea lui Ion, 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
Valea lui Ion, 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
Valea lui Ion, 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
Valea lui Ion, 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
Valea lui Ion, 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
Valea lui Ion, 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
Valea lui Ion, 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).





