September weather forecast and climate
Vannala, Sweden

Weather in September

The first month of the autumn, September, is also an enjoyable month in Vannala, Sweden, with average temperature varying between 16.4°C (61.5°F) and 9.2°C (48.6°F).

Temperature

In September, the average high-temperature marginally drops, from an agreeable 21.1°C (70°F) in August, to a comfortable 16.4°C (61.5°F). In September, in Vannala, the average low-temperature is 9.2°C (48.6°F).

Humidity

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

Rainfall

In Vannala, during September, the rain falls for 13 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, in Vannala, there are 144.9 rainfall days, and 400mm (15.75") of precipitation is accumulated.

Snowfall

In Vannala snow does not fall in June through September.

Daylight

The average length of the day in Vannala, Sweden, is 12.8h.

Sunshine

In Vannala, the average sunshine is 7.8h.

UV index

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 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. 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 Vannala?

The average high-temperature, in September, in Vannala, Sweden, is 16.4°C (61.5°F), while the average low-temperature is 9.2°C (48.6°F).

What is the average humidity in September in Vannala?

The average relative humidity in September in Vannala, Sweden, is 79%.

How many days does it rain in September in Vannala?

In Vannala, in September, during 13 rainfall days, 29mm (1.14") of precipitation is typically accumulated.

Does it snow in Vannala in September?

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

When it does not snow in Vannala?

June through September are months without snowfall in Vannala.

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

In Vannala, Sweden, the average length of the day in September is 12.8h.

How many hours of sunshine does Vannala have in September?

In Vannala, the average sunshine in September is 7.8h.

What is the UV index intensity in September in Vannala?

In September, the average daily maximum UV index in Vannala is 3. A UV Index reading of 3 to 5 represents a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in September
Vannala, Sweden

Average temperature in September - Vannala, Sweden
  • Average high temperature in September: 16.4°C

The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-0.8°C).

  • Average low temperature in September: 9.2°C

The month with the highest average low temperature is July (12.6°C).
The coldest months (with the lowest average low temperature) are January and February (-4.4°C).

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Average pressure in September
Vannala, Sweden

Average pressure in September - Vannala, Sweden
  • Average pressure in September: 1013.6mbar

The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).

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Average wind speed in September
Vannala, Sweden

Average wind speed in September - Vannala, Sweden
  • Average wind speed in September: 12.2km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).

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Average humidity in September
Vannala, Sweden

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

Months with the highest relative humidity are January, February and December (90%).
The month with the lowest relative humidity is May (69%).

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Average rainfall in September
Vannala, Sweden

Average rainfall in September - Vannala, Sweden
  • Average rainfall in September: 29mm

The wettest month (with the highest rainfall) is July (55mm).
The driest month (with the least rainfall) is April (18mm).

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Average rainfall days in September
Vannala, Sweden

Average rainfall days in September - Vannala, Sweden
  • Average rainfall days in September: 13 days

Months with the highest number of rainy days are July and August (16.8 days).
The month with the least rainy days is February (5.7 days).

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Average snowfall in September
Vannala, Sweden

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

The month with the highest snowfall is January (121mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Vannala, Sweden

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

The month with the highest number of snowfall days is January (12.8 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
Vannala, Sweden

Average daylight in September / Average sunshine in September - Vannala, Sweden
  • Average daylight in September: 12.8h

The month with the longest days is June (Average daylight: 18.4h).
The month with the shortest days is December (Average daylight: 6.3h).

  • Average sunshine in September: 7.8h

The month with the most sunshine is June (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 3h).

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Average sunshine days in September
Vannala, Sweden

Average sunshine days in September - Vannala, Sweden
  • Average sunshine days in September: 13.9 days

Months with the most sunshine days are March and April (15.6 days).
The month with the least sunshine days is February (11.8 days).

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Average UV index in September
Vannala, Sweden

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

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

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Average cloud cover in September
Vannala, Sweden

Average cloud cover in September - Vannala, Sweden
  • Average cloud cover in September: 48

The month with the most cloud cover is February (Cloud cover 68).
Months with the least cloud cover are June and August (Cloud cover 42).

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Average visibility in September
Vannala, Sweden

Average visibility in September - Vannala, Sweden
  • Average visibility in September: 9km

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

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