September weather forecast
Borgholm, Sweden

Weather in September

September, the first month of the autumn in Borgholm, is still a comfortable month, with an average temperature fluctuating between 16.4°C (61.5°F) and 12.1°C (53.8°F).

Temperature

In September, the average high-temperature marginally drops from a comfortable 19.9°C (67.8°F) in August to a still enjoyable 16.4°C (61.5°F). The average low-temperature, in Borgholm, is 12.1°C (53.8°F).

Humidity

In Borgholm, the average relative humidity in September is 77%.

Rainfall

In Borgholm, it is raining for 11.7 days, with typically 24mm (0.94") of accumulated precipitation. In Borgholm, during the entire year, the rain falls for 153.3 days and collects up to 392mm (15.43") of precipitation.

Snowfall

In Borgholm, Sweden, snow does not fall in June through October.

Sea temperature

In September, the average sea temperature is 15.8°C (60.4°F).
Note: For swimming, a surface water temperature of 15.8°C (60.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

Daylight

In September, the average length of the day in Borgholm is 12h and 46min.
On the first day of the month, sunrise is at 05:55 and sunset at 19:50. On the last day of September, sunrise is at 06:54 and sunset at 18:31 CEST.

Sunshine

In Borgholm, the average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September in Borgholm is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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.
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FAQ

What is the average humidity in September in Borgholm?

The average relative humidity in September in Borgholm, Sweden, is 77%.

How many days does it rain in September in Borgholm?

In Borgholm, in September, during 11.7 rainfall days, 24mm (0.94") of precipitation is typically accumulated.

When it does not snow in Borgholm?

June through October are months without snowfall.

How cold is the water in September in Borgholm?

In Borgholm, Sweden, the average seawater temperature in September is 15.8°C (60.4°F). Swimming in 15.8°C (60.4°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

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

In September, the average day length is 12h and 46min.

What time are sunrise and sunset in September in Borgholm?

On the first day of September in Borgholm, sunrise is at 05:55 and sunset at 19:50. On the last day of the month, sunrise is at 06:54 and sunset at 18:31 CEST.

How long on average sun shines in September in Borgholm?

In Borgholm, Sweden, the average sunshine duration in September is 8.7h.

What is the UV index reading in September in Borgholm?

In Borgholm, Sweden, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Borgholm, Sweden

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

The warmest month (with the highest average high temperature) is August (19.9°C).
The months with the lowest average high temperature are January and February (1.8°C).

  • Average low temperature in September: 12.1°C

The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (-0.5°C).

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Average pressure in September
Borgholm, Sweden

Average pressure in September - Borgholm, Sweden
  • Average pressure in September: 1014.8mbar

The months with the highest atmospheric pressure are April and May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1010.1mbar).

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Average wind speed in September
Borgholm, Sweden

Average wind speed in September - Borgholm, Sweden
  • Average wind speed in September: 19.3km/h

The windiest month (with the highest average wind speed) is December (22.8km/h).
The calmest month (with the lowest average wind speed) is May (16.1km/h).

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Average humidity in September
Borgholm, Sweden

Average humidity in September - Borgholm, Sweden
  • Average humidity in September: 77%

The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, May and June (74%).

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Average rainfall in September
Borgholm, Sweden

Average rainfall in September - Borgholm, Sweden
  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is November (47mm).
The driest month (with the least rainfall) is April (14mm).

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Average rainfall days in September
Borgholm, Sweden

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

The month with the highest number of rainy days is November (16.5 days).
The month with the least rainy days is February (7.7 days).

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Average snowfall in September
Borgholm, Sweden

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

The month with the highest snowfall is February (72mm).
The months with the least snowfall are June, July, August, September and October (0mm).

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Average snowfall days in September
Borgholm, Sweden

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

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in September
Borgholm, Sweden

Average sea temperature in September - Borgholm, Sweden
  • Average sea temperature in September: 15.8°C

The best month for swimming (with the highest average sea temperature) is August (18.5°C).
The coldest month (with the lowest average sea temperature) is March (1.9°C).

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

Average daylight in September / Average sunshine in September - Borgholm, Sweden
  • Average daylight in September: 12h and 46min

The month with the longest days is June (Average daylight: 17h and 44min).
The month with the shortest days is December (Average daylight: 6h and 53min).

  • Average sunshine in September: 8h and 42min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 3h and 18min).

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Average sunshine days in September
Borgholm, Sweden

Average sunshine days in September - Borgholm, Sweden
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is May (16.4 days).
The month with the least sunshine days is November (8.7 days).

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Average UV index in September
Borgholm, Sweden

Average UV index in September - Borgholm, Sweden
  • Average UV index in September: 4

The 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
Borgholm, Sweden

Average cloud cover in September - Borgholm, Sweden
  • Average cloud cover in September: 38

The months with the most cloud cover are January and February (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in September
Borgholm, Sweden

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

The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).

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