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
In September, the meteorological conditions alter, with the average high-temperature shifting from a warm 29.5°C (85.1°F) in August to a still moderately hot 23.9°C (75°F). During September, Costești consistently records a temperature low averaging a cool 12.8°C (55°F).Humidity
In Costești, the average relative humidity in September is 55%.Rainfall
September is the month with the least rainfall. Rain falls for 5.1 days and accumulates 13mm (0.51") of precipitation.Snowfall
In Costești, snow does not fall in May through October.Daylight
In September, the average length of the day in Costești is 12h and 31min.On the first day of the month, sunrise is at 06:43 and sunset at 19:57. On the last day of September, sunrise is at 07:17 and sunset at 19:03 EEST.
Sunshine
The average sunshine in September is 10.2h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Costești?
What is the average humidity in September in Costești?
What is the driest month in Costești?
How much does it rain in Costești in September?
When it does not snow in Costești?
How many hours of daylight does Costești have in September?
When is the sunrise / sunset in September in Costești?
How many hours of sunshine does Costești have in September?
What is the UV index reading in September in Costești?
Average temperature in September
Costești, Romania
- Average high temperature in September: 23.9°C
The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (2.4°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is August (17°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Costești, Romania
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).
Average wind speed in September
Costești, Romania
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is April (9.9km/h).
The calmest months (with the lowest average wind speed) are November and December (7.6km/h).
Average humidity in September
Costești, Romania
- Average humidity in September: 55%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Costești, Romania
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is September (13mm).
Average rainfall days in September
Costești, Romania
- Average rainfall days in September: 5.1 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is September (5.1 days).
Average snowfall in September
Costești, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is January (124mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Costești, Romania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Costești, 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 July (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Costești, Romania
- Average sunshine days in September: 24.1 days
The month with the most sunshine days is September (24.1 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in September
Costești, Romania
- Average UV index in September: 4
The months with the highest UV index are June, 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
Costești, Romania
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility in September
Costești, Romania
- Average visibility in September: 10km
The months with the highest visibility are April, June, July, August, September and October (10km).
The months with the lowest visibility are January and February (8km).
Costești, Romania
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