September weather forecastRocklunda, Sweden
September
Weather in September
September, the first month of the autumn in Rocklunda, is still a refreshing month, with temperature in the range of an average low of 8.9°C (48°F) and an average high of 16.5°C (61.7°F).Temperature
September's onset introduces a mild reduction in the average high-temperature, from a pleasant 21.2°C (70.2°F) in August to a comfortable 16.5°C (61.7°F). An average temperature of 8.9°C (48°F) is recorded during the nights in September.Humidity
The average relative humidity in September in Rocklunda is 78%.Rainfall
In Rocklunda, during September, the rain falls for 8.4 days and regularly aggregates up to 19mm (0.75") of precipitation. Throughout the year, in Rocklunda, there are 107.1 rainfall days, and 273mm (10.75") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Rocklunda.Daylight
In September, the average length of the day in Rocklunda, Sweden, is 12h and 51min.On the first day of the month, sunrise is at 05:53 and sunset at 19:58. On the last day of September, sunrise is at 07:00 and sunset at 18:31 CEST.
Sunshine
In September, the average sunshine in Rocklunda, Sweden, is 7.9h.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 average person.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Guard yourself - Avoiding sunburn is suggested. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rocklunda, Sweden
- Average high temperature in September: 16.5°C
The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-5°C).
Average pressure in September
Rocklunda, Sweden
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Rocklunda, Sweden
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Rocklunda, Sweden
- Average humidity in September: 78%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (68%).
Average rainfall in September
Rocklunda, Sweden
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is July (34mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Rocklunda, Sweden
- Average rainfall days in September: 8.4 days
The month with the highest number of rainy days is July (12.7 days).
The months with the least rainy days are January and February (5.8 days).
Average snowfall in September
Rocklunda, Sweden
- Average snowfall in September: 0mm
The month with the highest snowfall is January (125mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Rocklunda, Sweden
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rocklunda, Sweden
- Average daylight in September: 12h and 48min
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: 7h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).
Average sunshine days in September
Rocklunda, Sweden
- Average sunshine days in September: 20.2 days
The months with the most sunshine days are June and September (20.2 days).
The month with the least sunshine days is February (12.1 days).
Average UV index in September
Rocklunda, Sweden
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Rocklunda, Sweden
- Average cloud cover in September: 48
The month with the most cloud cover is February (Cloud cover 68).
The months with the least cloud cover are June, July and August (Cloud cover 43).
Average visibility in September
Rocklunda, Sweden
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is February (7km).





