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 reduction in the average high-temperature, down from August's 29.9°C (85.8°F) to a still moderately hot 24.5°C (76.1°F). In Casian, an average temperature of 15.5°C (59.9°F) is noted during September nights.Humidity
In Casian, the average relative humidity in September is 59%.Rainfall
In Casian, during September, the rain falls for 5 days and regularly aggregates up to 15mm (0.59") of precipitation. In Casian, during the entire year, the rain falls for 92.1 days and collects up to 238mm (9.37") of precipitation.Snowfall
In Casian, snow does not fall in April through October.Daylight
The average length of the day in September in Casian, Romania, is 12h and 31min.On the first day of the month, sunrise is at 06:29 and sunset at 19:42. On the last day of September, in Casian, sunrise is at 07:03 and sunset at 18:48 EEST.
Sunshine
In Casian, Romania, the average sunshine in September is 10.4h.UV index
The average daily maximum UV index in September in Casian, Romania, is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the temperature in September in Casian?
What is the average humidity in September in Casian?
How much does it rain in Casian in September?
When it does not snow in Casian?
How many hours of daylight does Casian have in September?
When are sunrise and sunset in September in Casian?
How many hours of sunshine does Casian have in September?
How high is the UV index in September in Casian?
Average temperature in September
Casian, Romania
- Average high temperature in September: 24.5°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is August (18.9°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in September
Casian, Romania
- Average pressure in September: 1016.3mbar
The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is July (1012.3mbar).
Average wind speed in September
Casian, Romania
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is February (17.8km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in September
Casian, Romania
- Average humidity in September: 59%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is August (54%).
Average rainfall in September
Casian, Romania
- Average rainfall in September: 15mm
The wettest months (with the highest rainfall) are January and June (26mm).
The driest month (with the least rainfall) is August (9mm).
Average rainfall days in September
Casian, Romania
- Average rainfall days in September: 5 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in September
Casian, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Casian, Romania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Casian, 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 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Casian, Romania
- Average sunshine days in September: 24.3 days
The month with the most sunshine days is August (26.6 days).
The month with the least sunshine days is February (16.7 days).
Average UV index in September
Casian, Romania
- Average UV index in September: 5
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Casian, Romania
- Average cloud cover in September: 24
The months with the most cloud cover are January and February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in September
Casian, Romania
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
Casian, Romania
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