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 onset of September aligns with a soft reduction in the average high-temperature, gently falling from a comfortable 18.9°C (66°F) in August to a still refreshing 15°C (59°F). Nightly temperatures in Sylling drop to an average low of 7.3°C (45.1°F) in September.Humidity
In Sylling, the average relative humidity in September is 80%.Rainfall
In Sylling, in September, during 10.5 rainfall days, 31mm (1.22") of precipitation is typically accumulated. Throughout the year, there are 128 rainfall days, and 311mm (12.24") of precipitation is accumulated.Snowfall
In Sylling, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 52min.On the first day of September, sunrise is at 06:15 and sunset at 20:21. On the last day of the month, sunrise is at 07:23 and sunset at 18:54 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In September, the average daily maximum UV index in Sylling is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Sylling?
What is the average humidity in September in Sylling?
How many days does it rain in September in Sylling?
When it does not snow in Sylling?
Does it snow in Sylling in September?
How many hours of daylight does Sylling have in September?
When is the sunrise / sunset in September in Sylling?
How many hours of sunshine does Sylling have in September?
What is the UV index intensity in September in Sylling?
Average temperature in September
Sylling, Norway
- Average high temperature in September: 15°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.4°C).
- Average low temperature in September: 7.3°C
The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is February (-7.8°C).
Average pressure in September
Sylling, Norway
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Sylling, Norway
- Average wind speed in September: 9.4km/h
The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in September
Sylling, Norway
- Average humidity in September: 80%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Sylling, Norway
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (40mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Sylling, Norway
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Sylling, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (73mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sylling, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sylling, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 12min).
Average sunshine days in September
Sylling, Norway
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is December (18.3 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Sylling, Norway
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Sylling, Norway
- Average cloud cover in September: 48
The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in September
Sylling, Norway
- Average visibility in September: 8km
The months with the highest visibility are April, May and June (9km).
The month with the lowest visibility is February (6km).
