September weather forecast and climate
Sillerbo, Sweden

Weather in September

The first month of the autumn, September, is still a mild month in Sillerbo, Sweden, with average temperature ranging between max 13.6°C (56.5°F) and min 6.5°C (43.7°F).

Temperature

In September, the average high-temperature decreases, from a comfortable 18.7°C (65.7°F) in August, to a moderate 13.6°C (56.5°F). In Sillerbo, the average low-temperature is 6.5°C (43.7°F).

Humidity

In Sillerbo, the average relative humidity is 81%.

Rainfall

In Sillerbo, in September, it is raining for 13.8 days, with typically 34mm (1.34") of accumulated precipitation. Throughout the year, in Sillerbo, there are 134.6 rainfall days, and 414mm (16.3") of precipitation is accumulated.

Snowfall

In Sillerbo snow does not fall in June through September.

Daylight

In September, the average length of the day is 12.9h.

Sunshine

In Sillerbo, Sweden, the average sunshine is 7h.

UV index

In Sillerbo, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from the exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Sillerbo?

In September, in Sillerbo, the average high-temperature is 13.6°C (56.5°F), and the average low-temperature is 6.5°C (43.7°F).

What is the average humidity in September in Sillerbo?

In Sillerbo, Sweden, the average relative humidity in September is 81%.

How many days does it rain in September in Sillerbo?

In Sillerbo, in September, it is raining for 13.8 days, with typically 34mm (1.34") of accumulated precipitation.

Does it snow in Sillerbo in September?

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

When it does not snow in Sillerbo?

June through September are months without snowfall in Sillerbo.

How many hours of daylight does Sillerbo have in September?

The average length of the day in September in Sillerbo, Sweden, is 12.9h.

How long on average sun shines in September in Sillerbo?

In September, the average sunshine in Sillerbo, Sweden, is 7h.

How high is the UV index in September in Sillerbo?

In September, the average daily maximum UV index in Sillerbo, Sweden, is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in September
Sillerbo, Sweden

Average temperature in September - Sillerbo, Sweden
  • Average high temperature in September: 13.6°C

The warmest month (with the highest average high temperature) is July (20.5°C).
The month with the lowest average high temperature is January (-3.8°C).

  • Average low temperature in September: 6.5°C

The month with the highest average low temperature is July (10.8°C).
The coldest month (with the lowest average low temperature) is January (-8.5°C).

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Average pressure in September
Sillerbo, Sweden

Average pressure in September - Sillerbo, Sweden
  • Average pressure in September: 1012.2mbar

The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1006.3mbar).

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Average wind speed in September
Sillerbo, Sweden

Average wind speed in September - Sillerbo, Sweden
  • Average wind speed in September: 9.4km/h

The windiest month (with the highest average wind speed) is March (10.4km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

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Average humidity in September
Sillerbo, Sweden

Average humidity in September - Sillerbo, Sweden
  • Average humidity in September: 81%

Months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (67%).

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Average rainfall in September
Sillerbo, Sweden

Average rainfall in September - Sillerbo, Sweden
  • Average rainfall in September: 34mm

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

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Average rainfall days in September
Sillerbo, Sweden

Average rainfall days in September - Sillerbo, Sweden
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (3.8 days).

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Average snowfall in September
Sillerbo, Sweden

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

The month with the highest snowfall is December (220mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Sillerbo, Sweden

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

The month with the highest number of snowfall days is January (18.6 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
Sillerbo, Sweden

Average daylight in September / Average sunshine in September - Sillerbo, Sweden
  • Average daylight in September: 12.9h

The month with the longest days is June (Average daylight: 19.5h).
The month with the shortest days is December (Average daylight: 5.4h).

  • Average sunshine in September: 7h

The month with the most sunshine is June (Average sunshine: 11.5h).
The month with the least sunshine is December (Average sunshine: 1.6h).

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Average sunshine days in September
Sillerbo, Sweden

Average sunshine days in September - Sillerbo, Sweden
  • Average sunshine days in September: 13.6 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is February (10.3 days).

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Average UV index in September
Sillerbo, Sweden

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

Months with the highest UV index are May, June, July and August (UV index 4).
Months with the lowest UV index are January, February, November and December (UV index 1).

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Average cloud cover in September
Sillerbo, Sweden

Average cloud cover in September - Sillerbo, Sweden
  • Average cloud cover in September: 54

The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 46).

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Average visibility in September
Sillerbo, Sweden

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

Months with the highest visibility are May, June and July (9km).
Months with the lowest visibility are January and February (5km).

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