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
Firești's average high-temperature decreases in September, falling from a warm 28°C (82.4°F) in August to a pleasant 22.5°C (72.5°F). Firești experiences a consistent average temperature of 10.7°C (51.3°F) throughout the nights in September.Humidity
In September, the average relative humidity is 61%.Rainfall
The month with the least rainfall is September, when the rain falls for 9.5 days and typically collects 25mm (0.98") of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 06:45 and sunset at 20:00. On the last day of the month, sunrise is at 07:20 and sunset at 19:05 EEST.
Sunshine
The average sunshine in September is 10.2h.UV index
In Firești, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Firești, 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
Firești, 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
Firești, 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
Firești, 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
Firești, 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
Firești, 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
Firești, 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
Firești, 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
Firești, 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
Firești, 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
Firești, 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
Firești, 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
Firești, 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).
