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 average high-temperature drops in September, from August's warm 28.1°C (82.6°F) to a pleasant 22°C (71.6°F). September presents a pronounced divergence from daily peak temperatures in Căstău, with the average low-temperature of 9.3°C (48.7°F).Humidity
In Căstău, the average relative humidity in September is 67%.Rainfall
The month with the least rainfall in Căstău is September, when the rain falls for 8.2 days and typically collects 18mm (0.71") of precipitation.Snowfall
In Căstău, snow does not fall in May through September.Daylight
In September, the average length of the day in Căstău, Romania, is 12h and 32min.On the first day of the month, sunrise is at 06:48 and sunset at 20:05. On the last day of September, sunrise is at 07:24 and sunset at 19:09 EEST.
Sunshine
In September, the average sunshine is 9.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 4 in September transforms into this advice:
Undertake precautions - Obligation exists to protect against skin and eye damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What are September temperatures in Căstău?
What is the average humidity in September in Căstău?
What is the driest month in Căstău?
How many days does it rain in September in Căstău?
When it does not snow in Căstău?
Does it snow in Căstău in September?
What is the average length of the day in September in Căstău?
When are sunrise and sunset in September in Căstău?
How many hours of sunshine does Căstău have in September?
How high is the UV index in September in Căstău?
Average temperature in September
Căstău, Romania
- Average high temperature in September: 22°C
The warmest month (with the highest average high temperature) is August (28.1°C).
The month with the lowest average high temperature is January (1.8°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in September
Căstău, Romania
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).
Average wind speed in September
Căstău, Romania
- Average wind speed in September: 5.7km/h
The windiest month (with the highest average wind speed) is March (6.9km/h).
The calmest month (with the lowest average wind speed) is August (4.9km/h).
Average humidity in September
Căstău, Romania
- Average humidity in September: 67%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (62%).
Average rainfall in September
Căstău, Romania
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is June (57mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in September
Căstău, Romania
- Average rainfall days in September: 8.2 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is September (8.2 days).
Average snowfall in September
Căstău, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is December (64mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Căstău, Romania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.7 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
Căstău, Romania
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Căstău, Romania
- Average sunshine days in September: 19 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Căstău, 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
Căstău, Romania
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Căstău, Romania
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).
Căstău, Romania
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