Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 24.1°C (75.4°F) to a comfortable 19.3°C (66.7°F). In the month of September, an average of 8.5°C (47.3°F) marks the low-temperature in Valea Oprii.Humidity
In September, the average relative humidity in Valea Oprii is 68%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.4 days and typically collects 33mm (1.3") of precipitation.Snowfall
Months with snowfall in Valea Oprii are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 5mm (0.2") of snow. In Valea Oprii, during the entire year, snow falls for 81.7 days and aggregates up to 1691mm (66.57") of snow.Daylight
In September, the average length of the day in Valea Oprii is 12h and 32min.On the first day of the month, sunrise is at 06:39 and sunset at 19:54. On the last day of September, sunrise is at 07:14 and sunset at 18:59 EEST.
Sunshine
In September, the average sunshine in Valea Oprii is 10h.UV index
The average daily maximum UV index in September in Valea Oprii is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Valea Oprii?
What is the average humidity in September in Valea Oprii?
What is the driest month in Valea Oprii?
How much does it rain in Valea Oprii in September?
When does it start to snow in Valea Oprii?
How many hours of daylight does Valea Oprii have in September?
When is the sunrise / sunset in September in Valea Oprii?
How long on average sun shines in September in Valea Oprii?
What is the UV index reading in September in Valea Oprii?
Average temperature in September
Valea Oprii, Romania
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (24.1°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-6.7°C).
Average pressure in September
Valea Oprii, Romania
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).
Average wind speed in September
Valea Oprii, Romania
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).
Average humidity in September
Valea Oprii, Romania
- Average humidity in September: 68%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Valea Oprii, Romania
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is June (132mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in September
Valea Oprii, Romania
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (24.2 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Valea Oprii, Romania
- Average snowfall in September: 5mm
The month with the highest snowfall is December (369mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Valea Oprii, Romania
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Valea Oprii, Romania
- Average daylight in September: 12h and 3min
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: 10h and 0min
The month with the most sunshine is August (Average sunshine: 11h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Valea Oprii, Romania
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is May (5.5 days).
Average UV index in September
Valea Oprii, Romania
- Average UV index in September: 3
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 Oprii, Romania
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Valea Oprii, Romania
- Average visibility in September: 10km
The months with the highest visibility are August and September (10km).
The months with the lowest visibility are January and February (7km).
Valea Oprii, Romania
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