September weather forecast and climate
Sundsbruk, Sweden

September, the first month of the autumn, in Sundsbruk, is still a mild month, with average temperature ranging between max 14°C (57.2°F) and min 7.3°C (45.1°F).

Temperature

In September, the average high-temperature marginally drops, from an enjoyable 18.7°C (65.7°F) in August, to a moderate 14°C (57.2°F). In September, in Sundsbruk, the average low-temperature is 7.3°C (45.1°F).

Humidity

In Sundsbruk, the average relative humidity is 79%.

Rainfall

In Sundsbruk, it is raining for 11.7 days, with typically 32mm (1.26") of accumulated precipitation. In Sundsbruk, during the entire year, the rain falls for 117.2 days and collects up to 384mm (15.12") of precipitation.

Snowfall

June through September are months without snowfall.

Sea temperature

In Sundsbruk, the average seawater temperature is 12.7°C (54.9°F).
Note: Swimming in 12.7°C (54.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

Daylight

The average length of the day in Sundsbruk, Sweden, is 13h.

Sunshine

In September, the average sunshine in Sundsbruk, Sweden, is 7.6h.

UV index

In Sundsbruk, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Sundsbruk?

In Sundsbruk, Sweden, in September, the average high-temperature is 14°C (57.2°F), and the average low-temperature is 7.3°C (45.1°F).

What is the average humidity in September in Sundsbruk?

The average relative humidity in September is 79%.

How much does it rain in Sundsbruk in September?

In Sundsbruk, Sweden, during September, the rain falls for 11.7 days and regularly aggregates up to 32mm (1.26") of precipitation.

Does it snow in Sundsbruk in September?

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

When it does not snow in Sundsbruk?

In Sundsbruk, Sweden, snow does not fall in June through September.

How cold is the water in September in Sundsbruk?

In Sundsbruk, Sweden, the average seawater temperature in September is 12.7°C (54.9°F). Swimming in 12.7°C (54.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in September in Sundsbruk?

The average length of the day in September in Sundsbruk is 13h.

How long on average sun shines in September in Sundsbruk?

In September, the average sunshine is 7.6h.

How high is the UV index in September in Sundsbruk?

In Sundsbruk, Sweden, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in September - Sundsbruk, Sweden
  • Average high temperature in September: 14°C

The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-3°C).

  • Average low temperature in September: 7.3°C

The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-6.9°C).

Average pressure in September - Sundsbruk, Sweden
  • Average pressure in September: 1011.9mbar

The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.9mbar).

Average wind speed in September - Sundsbruk, Sweden
  • Average wind speed in September: 10.5km/h

The windiest month (with the highest average wind speed) is January (11.9km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).

Average humidity in September - Sundsbruk, Sweden
  • Average humidity in September: 79%

The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (66%).

Average rainfall in September - Sundsbruk, Sweden
  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in September - Sundsbruk, Sweden
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (4.2 days).

Average snowfall in September - Sundsbruk, Sweden
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (217mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Sundsbruk, Sweden
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (15.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in September - Sundsbruk, Sweden
  • Average sea temperature in September: 12.7°C

The best month for swimming (with the highest average sea temperature) is August (17.2°C).
The coldest month (with the lowest average sea temperature) is February (0.2°C).

Average daylight in September / Average sunshine in September - Sundsbruk, Sweden
  • Average daylight in September: 13h

The month with the longest days is June (Average daylight: 19.8h).
The month with the shortest days is December (Average daylight: 5.2h).

  • Average sunshine in September: 7.6h

The month with the most sunshine is June (Average sunshine: 12.3h).
The month with the least sunshine is December (Average sunshine: 1.7h).

Average sunshine days in September - Sundsbruk, Sweden
  • Average sunshine days in September: 16.5 days

The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is February (12.5 days).

Average UV index in September - Sundsbruk, Sweden
  • Average UV index in September: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 1).

Average cloud cover in September - Sundsbruk, Sweden
  • Average cloud cover in September: 49

The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 42).

Average visibility in September - Sundsbruk, Sweden
  • Average visibility in September: 8km

Months with the highest visibility are April, May, June, July, August and October (9km).
Months with the lowest visibility are January, February and March (7km).