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
The start of September signals a decrease in the average high-temperature, transitioning from a warm 28.7°C (83.7°F) in August to an agreeable 22.8°C (73°F). September nights in Sâi are marked by an average low-temperature of 11.5°C (52.7°F).Humidity
The average relative humidity in September is 64%.Rainfall
The month with the least rainfall in Sâi is September, when the rain falls for 8.9 days and typically collects 22mm (0.87") of precipitation.Snowfall
In Sâi, snow does not fall in April through September.Daylight
In September, the average length of the day in Sâi, Romania, is 12h and 34min.On the first day of September, sunrise is at 06:46 and sunset at 20:08. On the last day of the month, sunrise is at 07:25 and sunset at 19:08 EEST.
Sunshine
In September, the average sunshine is 9.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Sâi?
What is the average humidity in September in Sâi?
What is the driest month in Sâi?
How much does it rain in Sâi in September?
When it does not snow in Sâi?
Does it snow in Sâi in September?
How many hours of daylight does Sâi have in September?
When are sunrise and sunset in September in Sâi?
How long on average sun shines in September in Sâi?
What is the UV index reading in September in Sâi?
Average temperature in September
Sâi, Romania
- Average high temperature in September: 22.8°C
The warmest month (with the highest average high temperature) is August (28.7°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (15.7°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Sâi, Romania
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is December (1020.3mbar).
The month with the lowest atmospheric pressure is June (1014mbar).
Average wind speed in September
Sâi, Romania
- Average wind speed in September: 8.2km/h
The windiest month (with the highest average wind speed) is March (10.2km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in September
Sâi, Romania
- Average humidity in September: 64%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (61%).
Average rainfall in September
Sâi, Romania
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is June (63mm).
The driest month (with the least rainfall) is September (22mm).
Average rainfall days in September
Sâi, Romania
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is September (8.9 days).
Average snowfall in September
Sâi, Romania
- Average snowfall in September: 0mm
The month with the highest snowfall is January (102mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).
Average snowfall days in September
Sâi, Romania
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 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
Sâi, Romania
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Sâi, Romania
- Average sunshine days in September: 19.5 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Sâi, Romania
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Sâi, Romania
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Sâi, 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, February and December (8km).
