September weather forecastVinnö, Sweden

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Vinnö, Sweden, with temperature in the range of an average high of 17.3°C (63.1°F) and an average low of 10.7°C (51.3°F).

Temperature

September is marked by a subtle drop in average high-temperatures, transitioning from an agreeable 21.2°C (70.2°F) in August to a comfortable 17.3°C (63.1°F). Throughout the month of September, the nighttime temperature in Vinnö dips to an average of 10.7°C (51.3°F).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In September, in Vinnö, the rain falls for 12.9 days. Throughout September, 23mm (0.91") of precipitation is accumulated. In Vinnö, Sweden, during the entire year, the rain falls for 162.1 days and collects up to 397mm (15.63") of precipitation.

Snowfall

In Vinnö, snow does not fall in May through September.

Daylight

In Vinnö, the average length of the day in September is 12h and 45min.
On the first day of September in Vinnö, sunrise is at 06:08 and sunset at 19:58. On the last day of the month, sunrise is at 07:05 and sunset at 18:41 CEST.

Sunshine

In September, the average sunshine in Vinnö is 7.9h.

UV index

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Vinnö experiences an average high-temperature of 17.3°C (63.1°F) and a low-temperature of 10.7°C (51.3°F).

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

In Vinnö, Sweden, during September, the rain falls for 12.9 days and regularly aggregates up to 23mm (0.91") of precipitation.

In Vinnö, Sweden, snow does not fall in May through September.

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

In Vinnö, Sweden, the average day length in September is 12h and 45min.

In September, on the first day of the month, sunrise is at 06:08 and sunset at 19:58. On the last day of the month, in Vinnö, sunrise is at 07:05 and sunset at 18:41 CEST.

In September, the average sunshine duration is 7.9h.

In September, the average daily maximum UV index in Vinnö, Sweden, is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

21.2°C

17.3°C

11.6°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.9km/h

15.2km/h

16.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.5

13.4

12.6

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Vinnö, Sweden

Average high temperature in September: 17.3°C

The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (1.8°C).

Average low temperature in September: 10.7°C

The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is February (-1.1°C).

Average pressure in September
Vinnö, Sweden

Average pressure in September: 1015.3mbar

The month with the highest atmospheric pressure is April (1015.6mbar).
The month with the lowest atmospheric pressure is December (1011mbar).

Average wind speed in September
Vinnö, Sweden

Average wind speed in September: 14.6km/h

The windiest month (with the highest average wind speed) is December (16.9km/h).
The calmest month (with the lowest average wind speed) is August (13km/h).

Average humidity in September
Vinnö, Sweden

Average humidity in September: 79%

The months with the highest relative humidity are January, February, November and December (88%).
The months with the lowest relative humidity are April and May (73%).

Average rainfall in September
Vinnö, Sweden

Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in September
Vinnö, Sweden

Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is August (17 days).
The month with the least rainy days is February (9.1 days).

Average snowfall in September
Vinnö, Sweden

Average snowfall in September: 0mm

The month with the highest snowfall is February (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Vinnö, Sweden

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).

Average sunshine in September: 7h and 54min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).