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
A mild shift in the average high-temperature occurs in September, reducing from a pleasant 20.8°C (69.4°F) in August to a comfortable 16.2°C (61.2°F). During the nights in September, Räfsta experiences a consistent average temperature of 9.2°C (48.6°F).Humidity
In Räfsta, the average relative humidity in September is 80%.Rainfall
In Räfsta, during September, the rain falls for 12.8 days and regularly aggregates up to 25mm (0.98") of precipitation. In Räfsta, during the entire year, the rain falls for 146.7 days and collects up to 392mm (15.43") of precipitation.Snowfall
In Räfsta, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 51min.On the first day of the month, sunrise is at 05:46 and sunset at 19:51. On the last day of September, in Räfsta, sunrise is at 06:53 and sunset at 18:24 CEST.
Sunshine
In Räfsta, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum UV index of 3 in September translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Räfsta in September?
What is the average humidity in September in Räfsta?
How many days does it rain in September in Räfsta?
When it does not snow in Räfsta?
Does it snow in Räfsta in September?
How many hours of daylight does Räfsta have in September?
When is the sunrise / sunset in September in Räfsta?
How many hours of sunshine does Räfsta have in September?
What is the UV index intensity in September in Räfsta?
Average temperature in September
Räfsta, Sweden
- Average high temperature in September: 16.2°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-1°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is July (13°C).
The coldest months (with the lowest average low temperature) are January and February (-4.3°C).
Average pressure in September
Räfsta, Sweden
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in September
Räfsta, Sweden
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest months (with the lowest average wind speed) are July and August (11.3km/h).
Average humidity in September
Räfsta, Sweden
- Average humidity in September: 80%
The months with the highest relative humidity are January, February and December (89%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Räfsta, Sweden
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Räfsta, Sweden
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Räfsta, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is December (105mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Räfsta, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Räfsta, Sweden
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in September
Räfsta, Sweden
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is October (14 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in September
Räfsta, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Räfsta, Sweden
- Average cloud cover in September: 44
The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Räfsta, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
