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.

Frequently asked questions

The high-temperature, in September, in Rocklunda, is 16.5°C (61.7°F), while the low-temperature averages to 8.9°C (48°F).

In September, the average relative humidity in Rocklunda, Sweden, is 78%.

In Rocklunda, Sweden, in September, it is raining for 8.4 days, with typically 19mm (0.75") of accumulated precipitation.

June through September are months without snowfall in Rocklunda.

In Rocklunda, in September, it doesn't snow. In October, it regularly snows.

The average day length in September in Rocklunda, Sweden, is 12h and 51min.

On the first day of September, sunrise is at 05:53 and sunset at 19:58. On the last day of the month, sunrise is at 07:00 and sunset at 18:31 CEST.

In Rocklunda, the average sunshine duration in September is 7.9h.

In September, the average daily maximum UV index in Rocklunda is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).