September weather forecastStora Vika, Sweden

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Stora Vika, Sweden, with an average temperature varying between 11.4°C (52.5°F) and 15.4°C (59.7°F).

Temperature

Stora Vika in September experiences a gentle temperature dip, with average high-temperatures reducing from an enjoyable 19.3°C (66.7°F) in August to a moderate 15.4°C (59.7°F). Stora Vika experiences a subtle drop in temperature during the September nights, recording an average of 11.4°C (52.5°F).

Humidity

The average relative humidity in September is 79%.

Rainfall

In Stora Vika, Sweden, in September, it is raining for 12.5 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 138.3 rainfall days, and 361mm (14.21") of precipitation is accumulated.

Snowfall

In Stora Vika, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 50min.
On the first day of the month, sunrise is at 05:47 and sunset at 19:49. On the last day of September, in Stora Vika, sunrise is at 06:52 and sunset at 18:24 CEST.

Sunshine

The average sunshine in September is 8.4h.

UV index

In Stora Vika, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index of 3 during September translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

In Stora Vika, in September, the average high-temperature is 15.4°C (59.7°F), and the average low-temperature is 11.4°C (52.5°F).

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

In September, the rain falls for 12.5 days. Throughout September, 28mm (1.1") of precipitation is accumulated.

June through September are months without snowfall.

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

In Stora Vika, the average day length in September is 12h and 50min.

On the first day of September, sunrise is at 05:47 and sunset at 19:49. On the last day of the month, sunrise is at 06:52 and sunset at 18:24 CEST.

In Stora Vika, the average sunshine duration in September is 8.4h.

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Stora Vika, Sweden

  • Average high temperature in September: 15.4°C

The warmest month (with the highest average high temperature) is July (19.5°C).
The month with the lowest average high temperature is January (0.7°C).

  • Average low temperature in September: 11.4°C

The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2°C).

Average pressure in September
Stora Vika, Sweden

  • Average pressure in September: 1013.6mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).

Average wind speed in September
Stora Vika, Sweden

  • Average wind speed in September: 18.6km/h

The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is July (16km/h).

Average humidity in September
Stora Vika, Sweden

  • Average humidity in September: 79%

The months with the highest relative humidity are January, February, November and December (85%).
The month with the lowest relative humidity is May (75%).

Average rainfall in September
Stora Vika, Sweden

  • Average rainfall in September: 28mm

The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (16mm).

Average rainfall days in September
Stora Vika, Sweden

  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is August (14.8 days).
The month with the least rainy days is February (5.7 days).

Average snowfall in September
Stora Vika, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (70mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Stora Vika, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Stora Vika, Sweden

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 24min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).

Average sunshine days in September
Stora Vika, Sweden

  • Average sunshine days in September: 14.4 days

The month with the most sunshine days is April (17 days).
The month with the least sunshine days is December (12.1 days).

Average UV index in September
Stora Vika, Sweden

  • Average UV index in September: 3

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

Average cloud cover in September
Stora Vika, Sweden

  • Average cloud cover in September: 40

The months with the most cloud cover are January, February and December (Cloud cover 66).
The months with the least cloud cover are July and August (Cloud cover 35).

Average visibility in September
Stora Vika, 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).