September weather forecastDiö, Sweden

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Diö, Sweden, with an average temperature ranging between max 16.6°C (61.9°F) and min 9°C (48.2°F).

Temperature

Diö in September undergoes a slight reduction in the average high-temperature, shifting from August's pleasant 21°C (69.8°F) to a refreshing 16.6°C (61.9°F). During the month of September, the nighttime temperature falls to an average of 9°C (48.2°F).

Humidity

The average relative humidity in September is 82%.

Rainfall

In September, the rain falls for 13.2 days. Throughout September, 23mm (0.91") of precipitation is accumulated. Throughout the year, there are 150.7 rainfall days, and 351mm (13.82") of precipitation is accumulated.

Snowfall

In Diö, snow does not fall in June through September.

Daylight

In Diö, the average length of the day in September is 12h and 46min.
On the first day of September, sunrise is at 06:07 and sunset at 19:58. On the last day of the month, sunrise is at 07:05 and sunset at 18:40 CEST.

Sunshine

The average sunshine in September is 6.9h.

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 3 suggests this advice:
Guard yourself - Precautionary measures against sun damage are advocated. The solar radiation around mid-day is intense; avoid the Sun and stay safe. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

During September, Diö experiences an average high-temperature of 16.6°C (61.9°F) and a low-temperature of 9°C (48.2°F).

In Diö, the average relative humidity in September is 82%.

In Diö, in September, it is raining for 13.2 days, with typically 23mm (0.91") of accumulated precipitation.

In Diö, Sweden, snow does not fall in June through September.

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

The average day length in September is 12h and 46min.

In September, on the first day of the month, sunrise is at 06:07 and sunset at 19:58. On the last day of the month, sunrise is at 07:05 and sunset at 18:40 CEST.

In September, the average sunshine duration is 6.9h.

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

  • Average high temperature in September: 16.6°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 (0.7°C).

  • Average low temperature in September: 9°C

The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is February (-2.8°C).

Average pressure in September
Diö, Sweden

  • Average pressure in September: 1014.9mbar

The month with the highest atmospheric pressure is April (1015.4mbar).
The month with the lowest atmospheric pressure is December (1010.3mbar).

Average wind speed in September
Diö, Sweden

  • Average wind speed in September: 11.8km/h

The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).

Average humidity in September
Diö, Sweden

  • Average humidity in September: 82%

The months with the highest relative humidity are January, February, November and December (91%).
The months with the lowest relative humidity are April and May (71%).

Average rainfall in September
Diö, Sweden

  • Average rainfall in September: 23mm

The wettest month (with the highest rainfall) is July (38mm).
The driest month (with the least rainfall) is April (15mm).

Average rainfall days in September
Diö, Sweden

  • Average rainfall days in September: 13.2 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (7.5 days).

Average snowfall in September
Diö, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (95mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Diö, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 17h and 42min).
The month with the shortest days is December (Average daylight: 6h and 54min).

  • Average sunshine in September: 6h and 54min

The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

Average sunshine days in September
Diö, Sweden

  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is December (9.3 days).

Average UV index in September
Diö, 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 December (UV index 1).

Average cloud cover in September
Diö, Sweden

  • Average cloud cover in September: 56

The month with the most cloud cover is December (Cloud cover 76).
The months with the least cloud cover are April and June (Cloud cover 46).

Average visibility in September
Diö, Sweden

  • Average visibility in September: 8km

The months with the highest visibility are April, May, June and July (9km).
The months with the lowest visibility are January, February, November and December (7km).