September weather forecast and climate
Timrå, Sweden

The first month of the autumn, September, is still a mild month in Timrå, Sweden, with temperature in the range of an average high of 14°C (57.2°F) and an average low of 7.3°C (45.1°F).

Temperature

In Timrå, the average high-temperature slightly decreases, from an enjoyable 18.7°C (65.7°F) in August, to a moderate 14°C (57.2°F). In Timrå, Sweden, the average low-temperature is 7.3°C (45.1°F).

Humidity

The average relative humidity in Timrå is 79%.

Rainfall

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

Snowfall

In Timrå snow does not fall in June through September.

Sea temperature

In Timrå, in September, the average water 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

In September, the average length of the day in Timrå is 13h.

Sunshine

The average sunshine is 7.6h.

UV index

In Timrå, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to the UV radiation for the average person.
Note: The average daily UV index of 3 in September transform into the following instructions:
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 Timrå?

The average high-temperature, in September, in Timrå, is 14°C (57.2°F), while the average low-temperature is 7.3°C (45.1°F).

What is the average humidity in September in Timrå?

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

How many days does it rain in September in Timrå?

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

Does it snow in Timrå in September?

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

When it does not snow in Timrå?

June through September are months without snowfall in Timrå.

What is the sea water temperature in September in Timrå?

In Timrå, Sweden, in September, the average water temperature 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.

How many hours of daylight does Timrå have in September?

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

How long on average sun shines in September in Timrå?

In September, the average sunshine is 7.6h.

What is the UV index intensity in September in Timrå?

In Timrå, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.
Average temperature in September - Timrå, 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 - Timrå, 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 - Timrå, 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 - Timrå, 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 - Timrå, 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 - Timrå, 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 - Timrå, 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 - Timrå, 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 - Timrå, 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 - Timrå, 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 - Timrå, 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 - Timrå, 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 - Timrå, 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 - Timrå, 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).