September weather forecastYtterån, Sweden
September
Weather in September
The first month of the autumn, September, is still a cool month in Ytterån, Sweden, with an average temperature ranging between max 12.3°C (54.1°F) and min 5.5°C (41.9°F).Temperature
September ushers in a slight temperature change, with average high-temperatures reducing from August's comfortable 17.3°C (63.1°F) to a fresh 12.3°C (54.1°F). Throughout September, the nighttime temperature averages to a cold 5.5°C (41.9°F).Humidity
In Ytterån, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 13.6 days. Throughout September, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 119.1 rainfall days, and 401mm (15.79") of precipitation is accumulated.Snowfall
In Ytterån, snow does not fall in June through September.Daylight
In Ytterån, the average length of the day in September is 12h and 59min.On the first day of the month, sunrise is at 05:50 and sunset at 20:16. On the last day of September, sunrise is at 07:10 and sunset at 18:36 CEST.
Sunshine
In September, the average sunshine is 7.3h.UV index
In Ytterån, Sweden, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 2 in September translates into these instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ytterån, Sweden
- Average high temperature in September: 12.3°C
The warmest month (with the highest average high temperature) is July (18.8°C).
The month with the lowest average high temperature is January (-5.3°C).
- Average low temperature in September: 5.5°C
The month with the highest average low temperature is July (9.6°C).
The coldest month (with the lowest average low temperature) is February (-9.9°C).
Average pressure in September
Ytterån, Sweden
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).
Average wind speed in September
Ytterån, Sweden
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is June (14.3km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Ytterån, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is June (67%).
Average rainfall in September
Ytterån, Sweden
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (53mm).
The driest months (with the least rainfall) are February and April (20mm).
Average rainfall days in September
Ytterån, Sweden
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Ytterån, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (211mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ytterån, Sweden
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Ytterån, Sweden
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 18min).
The month with the shortest days is December (Average daylight: 4h and 48min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Ytterån, Sweden
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is December (12.2 days).
Average UV index in September
Ytterån, Sweden
- Average UV index in September: 2
The months with the highest UV index are May, June and July (UV index 4).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Ytterån, Sweden
- Average cloud cover in September: 51
The months with the most cloud cover are January and February (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 45).
Average visibility in September
Ytterån, Sweden
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (7km).
