September weather forecastRällinge, Sweden

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Rällinge, Sweden, with temperature in the range of an average low of 9.2°C (48.6°F) and an average high of 16.3°C (61.3°F).

Temperature

With the onset of September, Rällinge's climate undergoes a slight change as the average high-temperature moves from an agreeable 20.9°C (69.6°F) in August to a refreshing 16.3°C (61.3°F). Throughout September, the temperature in Rällinge falls to an average low of 9.2°C (48.6°F).

Humidity

The average relative humidity in September in Rällinge is 79%.

Rainfall

In Rällinge, in September, it is raining for 13.2 days, with typically 27mm (1.06") of accumulated precipitation. In Rällinge, during the entire year, the rain falls for 148.3 days and collects up to 400mm (15.75") of precipitation.

Snowfall

June through September are months without snowfall in Rällinge.

Daylight

In Rällinge, the average length of the day in September is 12h and 50min.
On the first day of the month, sunrise is at 05:50 and sunset at 19:54. On the last day of September, sunrise is at 06:56 and sunset at 18:28 CEST.

Sunshine

In Rällinge, the average sunshine in September is 8h.

UV index

In Rällinge, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 3 translates into these guidelines:
Take necessary precautions - Protection from skin and eye injury is mandatory. Around midday, solar radiation is most harmful; hence, exposure should be limited. Boost your sun resistance with garments that are densely woven yet spacious.

Frequently asked questions

An average high-temperature, in September, in Rällinge, is 16.3°C (61.3°F) and the average low-temperature is 9.2°C (48.6°F).

In Rällinge, the average relative humidity in September is 79%.

In Rällinge, Sweden, during September, the rain falls for 13.2 days and regularly aggregates up to 27mm (1.06") of precipitation.

In Rällinge, snow does not fall in June through September.

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

In September, the average day length in Rällinge is 12h and 50min.

On the first day of September in Rällinge, sunrise is at 05:50 and sunset at 19:54. On the last day of the month, sunrise is at 06:56 and sunset at 18:28 CEST.

In September, the average sunshine duration in Rällinge is 8h.

In Rällinge, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
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
Rällinge, Sweden

  • Average high temperature in September: 16.3°C

The warmest month (with the highest average high temperature) is July (22°C).
The month with the lowest average high temperature is January (-0.9°C).

  • Average low temperature in September: 9.2°C

The month with the highest average low temperature is July (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (-4.7°C).

Average pressure in September
Rällinge, Sweden

  • Average pressure in September: 1013.4mbar

The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.9mbar).

Average wind speed in September
Rällinge, Sweden

  • Average wind speed in September: 12.7km/h

The windiest month (with the highest average wind speed) is December (15.9km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).

Average humidity in September
Rällinge, Sweden

  • Average humidity in September: 79%

The months with the highest relative humidity are January, February and December (89%).
The month with the lowest relative humidity is May (70%).

Average rainfall in September
Rällinge, Sweden

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in September
Rällinge, Sweden

  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (6.7 days).

Average snowfall in September
Rällinge, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (102mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Rällinge, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Rällinge, Sweden

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in September: 8h and 0min

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 30min).

Average sunshine days in September
Rällinge, Sweden

  • Average sunshine days in September: 14.2 days

The months with the most sunshine days are September and October (14.2 days).
The month with the least sunshine days is December (10.5 days).

Average UV index in September
Rällinge, 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
Rällinge, Sweden

  • Average cloud cover in September: 45

The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 41).

Average visibility in September
Rällinge, 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).