September weather forecastArkösund, Sweden

September

Weather in September

The first month of the autumn, September, is also a moderate month in Arkösund, Sweden, with an average temperature ranging between min 11.3°C (52.3°F) and max 15.5°C (59.9°F).

Temperature

September signifies a minor drop in average high-temperature, transitioning from a comfortable 19.4°C (66.9°F) in August to a mild 15.5°C (59.9°F). Arkösund maintains an average low-temperature of 11.3°C (52.3°F) throughout September's nights.

Humidity

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

Rainfall

In Arkösund, during September, the rain falls for 13 days and regularly aggregates up to 33mm (1.3") of precipitation. In Arkösund, during the entire year, the rain falls for 151 days and collects up to 419mm (16.5") of precipitation.

Snowfall

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

Daylight

In September, the average length of the day is 12h and 49min.
On the first day of September, sunrise is at 05:52 and sunset at 19:51. On the last day of the month, sunrise is at 06:55 and sunset at 18:28 CEST.

Sunshine

In Arkösund, the average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.
Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. When the Sun is at its strongest around midday, find shade and limit exposure. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

The high-temperature during September is 15.5°C (59.9°F) and the low-temperature is 11.3°C (52.3°F).

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

In Arkösund, Sweden, in September, it is raining for 13 days, with typically 33mm (1.3") of accumulated precipitation.

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

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

In September, the average day length in Arkösund, Sweden, is 12h and 49min.

In September, on the first day of the month, sunrise is at 05:52 and sunset at 19:51. On the last day of the month, in Arkösund, Sweden, sunrise is at 06:55 and sunset at 18:28 CEST.

The average sunshine duration in September in Arkösund is 8.5h.

The average daily maximum UV index in September in Arkösund, Sweden, is 4. A UV Index of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Arkösund, Sweden

  • Average high temperature in September: 15.5°C

The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is January (0.7°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is February (-2.2°C).

Average pressure in September
Arkösund, Sweden

  • Average pressure in September: 1013.8mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).

Average wind speed in September
Arkösund, Sweden

  • Average wind speed in September: 18.2km/h

The windiest month (with the highest average wind speed) is December (21.9km/h).
The calmest month (with the lowest average wind speed) is July (15.1km/h).

Average humidity in September
Arkösund, Sweden

  • Average humidity in September: 79%

The months with the highest relative humidity are January, February, November and December (86%).
The months with the lowest relative humidity are May and June (75%).

Average rainfall in September
Arkösund, Sweden

  • Average rainfall in September: 33mm

The wettest months (with the highest rainfall) are July and August (48mm).
The driest month (with the least rainfall) is April (18mm).

Average rainfall days in September
Arkösund, Sweden

  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (15.3 days).
The month with the least rainy days is February (7.8 days).

Average snowfall in September
Arkösund, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (76mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Arkösund, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

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

  • Average sunshine in September: 8h and 30min

The month with the most sunshine is June (Average sunshine: 12h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).

Average sunshine days in September
Arkösund, Sweden

  • Average sunshine days in September: 14 days

The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is February (10.3 days).

Average UV index in September
Arkösund, Sweden

  • Average UV index in September: 4

The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).

Average cloud cover in September
Arkösund, Sweden

  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Arkösund, Sweden

  • Average visibility in September: 10km

The months with the highest visibility are April, June, July, August and September (10km).
The months with the lowest visibility are January, February, March, May, October, November and December (9km).