September weather forecast and climate
Storrå, Sweden

Weather in September

The first month of the autumn, September, is also a moderate month in Storrå, Sweden, with average temperature ranging between max 13.7°C (56.7°F) and min 9.5°C (49.1°F).

Temperature

In Storrå, the average high-temperature marginally drops, from a comfortable 17.4°C (63.3°F) in August, to a moderate 13.7°C (56.7°F). The average low-temperature, in Storrå, is 9.5°C (49.1°F).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Storrå, during September, the rain falls for 8.8 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, there are 93.9 rainfall days, and 304mm (11.97") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Storrå.

Daylight

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

Sunshine

In Storrå, the average sunshine is 8.2h.

UV index

The average daily maximum UV index in Storrå is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Storrå?

In Storrå, in September, the average high-temperature is 13.7°C (56.7°F), and the average low-temperature is 9.5°C (49.1°F).

What is the average humidity in September in Storrå?

The average relative humidity in September is 78%.

How much does it rain in Storrå in September?

In Storrå, in September, it is raining for 8.8 days, with typically 23mm (0.91") of accumulated precipitation.

Does it snow in Storrå in September?

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

When it does not snow in Storrå?

June through September are months without snowfall in Storrå, Sweden.

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

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

How many hours of sunshine does Storrå have in September?

In Storrå, Sweden, the average sunshine in September is 8.2h.

What is the UV index reading in September in Storrå?

In Storrå, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from the exposure to the Sun's UV radiation.

Average temperature in September
Storrå, Sweden

Average temperature in September - Storrå, Sweden
  • Average high temperature in September: 13.7°C

The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is February (-1.8°C).

  • Average low temperature in September: 9.5°C

The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is February (-5°C).

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Average pressure in September
Storrå, Sweden

Average pressure in September - Storrå, Sweden
  • Average pressure in September: 1011.8mbar

The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.8mbar).

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Average wind speed in September
Storrå, Sweden

Average wind speed in September - Storrå, Sweden
  • Average wind speed in September: 15.7km/h

The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest months (with the lowest average wind speed) are May and August (13.9km/h).

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Average humidity in September
Storrå, Sweden

Average humidity in September - Storrå, Sweden
  • Average humidity in September: 78%

The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (71%).

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Average rainfall in September
Storrå, Sweden

Average rainfall in September - Storrå, Sweden
  • Average rainfall in September: 23mm

The wettest months (with the highest rainfall) are January and December (36mm).
The driest months (with the least rainfall) are April and June (15mm).

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Average rainfall days in September
Storrå, Sweden

Average rainfall days in September - Storrå, Sweden
  • Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is July (10.4 days).
The month with the least rainy days is February (4.8 days).

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Average snowfall in September
Storrå, Sweden

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

The month with the highest snowfall is January (150mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Storrå, Sweden

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

The month with the highest number of snowfall days is January (14.9 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 19.9h).
The month with the shortest days is December (Average daylight: 5.1h).

  • Average sunshine in September: 8.2h

The month with the most sunshine is June (Average sunshine: 13.1h).
The month with the least sunshine is December (Average sunshine: 1.8h).

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Average sunshine days in September
Storrå, Sweden

Average sunshine days in September - Storrå, Sweden
  • Average sunshine days in September: 19.9 days

The month with the most sunshine days is June (21.8 days).
The month with the least sunshine days is February (10.8 days).

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Average UV index in September
Storrå, Sweden

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

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

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Average cloud cover in September
Storrå, Sweden

Average cloud cover in September - Storrå, Sweden
  • Average cloud cover in September: 43

The month with the most cloud cover is January (Cloud cover 62).
Months with the least cloud cover are July and August (Cloud cover 37).

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Average visibility in September
Storrå, Sweden

Average visibility in September - Storrå, Sweden
  • Average visibility in September: 10km

Months with the highest visibility are May, June, July, August, September and October (10km).
The month with the lowest visibility is January (8km).

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