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
September
Weather in September
Temperature
The start of September involves a temperature drop, moving from 29.2°C (84.6°F) in August to a still moderately hot 23.9°C (75°F). The average temperature drops to a refreshing 13.3°C (55.9°F) during the night in the month of September.Humidity
The average relative humidity in September is 55%.Rainfall
September is the month with the least rainfall. Rain falls for 5.5 days and accumulates 16mm (0.63") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of the month, sunrise is at 06:41 and sunset at 19:55. On the last day of September, sunrise is at 07:16 and sunset at 19:01 EEST.
Sunshine
In September, the average sunshine is 10.2h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
What is the driest month?
How much does it rain in Valea Dadei in September?
When it does not snow?
How many hours of daylight does Valea Dadei have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Valea Dadei have in September?
What is the UV index reading in September?
Average temperature in September
Valea Dadei, Romania
- Average high temperature in September: 23.9°C
The warmest month (with the highest average high temperature) is August (29.2°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in September
Valea Dadei, Romania
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).
Average wind speed in September
Valea Dadei, Romania
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is April (9.8km/h).
The calmest month (with the lowest average wind speed) is December (7.5km/h).
Average humidity in September
Valea Dadei, Romania
- Average humidity in September: 55%
The months with the highest relative humidity are January and February (80%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Valea Dadei, Romania
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is May (54mm).
The driest month (with the least rainfall) is September (16mm).
Average rainfall days in September
Valea Dadei, Romania
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Valea Dadei, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is January (74mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Valea Dadei, Romania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.1 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 Dadei, Romania
- Average daylight in September: 12h and 3min
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 1min
The month with the most sunshine is August (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Valea Dadei, Romania
- Average sunshine days in September: 23.8 days
The month with the most sunshine days is September (23.8 days).
The month with the least sunshine days is June (14.9 days).
Average UV index in September
Valea Dadei, 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
Valea Dadei, Romania
- Average cloud cover in September: 24
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Valea Dadei, Romania
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).
