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
As September begins, there is a decrease in the average high-temperature, falling from a warm 28°C (82.4°F) in August to an agreeable 22.5°C (72.5°F). The temperature in Dianu dips to an average of 10.7°C (51.3°F) during September nights.Humidity
In September, the average relative humidity is 61%.Rainfall
September is the month with the least rainfall. Rain falls for 9.5 days and accumulates 25mm (0.98") of precipitation.Snowfall
In Dianu, snow does not fall in May through October.Daylight
In Dianu, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:46 and sunset at 20:01. On the last day of September, in Dianu, sunrise is at 07:21 and sunset at 19:06 EEST.
Sunshine
In Dianu, the average sunshine in September is 10.2h.UV index
In September, the average daily maximum UV index in Dianu is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Frequently asked questions
What are September temperatures in Dianu?
What is the average humidity in September in Dianu?
What is the driest month in Dianu?
How many days does it rain in September in Dianu?
When it does not snow in Dianu?
How many hours of daylight does Dianu have in September?
When are sunrise and sunset in September in Dianu?
How many hours of sunshine does Dianu have in September?
What is the UV index intensity in September in Dianu?
Average temperature in September
Dianu, Romania
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-5°C).
Average pressure in September
Dianu, Romania
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).
Average wind speed in September
Dianu, Romania
- Average wind speed in September: 6.9km/h
The windiest month (with the highest average wind speed) is April (7.9km/h).
The calmest month (with the lowest average wind speed) is November (5.8km/h).
Average humidity in September
Dianu, Romania
- Average humidity in September: 61%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is August (58%).
Average rainfall in September
Dianu, Romania
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (92mm).
The driest month (with the least rainfall) is September (25mm).
Average rainfall days in September
Dianu, Romania
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is May (23.9 days).
The month with the least rainy days is September (9.5 days).
Average snowfall in September
Dianu, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is February (106mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Dianu, Romania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Dianu, 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 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in September
Dianu, Romania
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is May (4.3 days).
Average UV index in September
Dianu, 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
Dianu, 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
Dianu, 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 and February (8km).
Dianu, Romania
Weather forecast for your location
2. Allow the app to use your location
