September weather forecastMariefred, Sweden

September

Weather in September

September, the first month of the autumn in Mariefred, is also an enjoyable month, with an average temperature varying between 9.6°C (49.3°F) and 16.1°C (61°F).

Temperature

The average high-temperature slightly decreases in September, shifting from a pleasant 20.8°C (69.4°F) in August to an enjoyable 16.1°C (61°F). Throughout the month of September, Mariefred expects an average low of 9.6°C (49.3°F).

Humidity

The average relative humidity in September in Mariefred is 80%.

Rainfall

In Mariefred, in September, it is raining for 8.7 days, with typically 11mm (0.43") of accumulated precipitation. In Mariefred, during the entire year, the rain falls for 108.1 days and collects up to 153mm (6.02") of precipitation.

Snowfall

In Mariefred, snow does not fall in June through October.

Daylight

The average length of the day in September in Mariefred is 12h and 50min.
On the first day of the month, sunrise is at 05:49 and sunset at 19:52. On the last day of September, in Mariefred, sunrise is at 06:55 and sunset at 18:26 CEST.

Sunshine

In September, the average sunshine in Mariefred is 8.2h.

UV index

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: A maximum UV index of 3 in September translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

The high-temperature, in September, in Mariefred, is 16.1°C (61°F), while the low-temperature averages to 9.6°C (49.3°F).

In September, the average relative humidity in Mariefred, Sweden, is 80%.

In Mariefred, in September, during 8.7 rainfall days, 11mm (0.43") of precipitation is typically accumulated.

In Mariefred, snow does not fall in June through October.

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

On the first day of September, sunrise is at 05:49 and sunset at 19:52. On the last day of the month, sunrise is at 06:55 and sunset at 18:26 CEST.

In September, the average sunshine duration is 8.2h.

The average daily maximum UV index in September in Mariefred is 3. A UV Index reading of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
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
Mariefred, Sweden

  • Average high temperature in September: 16.1°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 (-0.6°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).

Average pressure in September
Mariefred, Sweden

  • Average pressure in September: 1013.5mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008mbar).

Average wind speed in September
Mariefred, Sweden

  • Average wind speed in September: 13.4km/h

The windiest month (with the highest average wind speed) is December (17km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).

Average humidity in September
Mariefred, Sweden

  • Average humidity in September: 80%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is May (71%).

Average rainfall in September
Mariefred, Sweden

  • Average rainfall in September: 11mm

The wettest month (with the highest rainfall) is July (23mm).
The driest month (with the least rainfall) is April (6mm).

Average rainfall days in September
Mariefred, Sweden

  • Average rainfall days in September: 8.7 days

The month with the highest number of rainy days is July (14.1 days).
The month with the least rainy days is February (4.1 days).

Average snowfall in September
Mariefred, Sweden

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (28mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in September
Mariefred, Sweden

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 18min).

  • Average sunshine in September: 8h and 12min

The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

Average sunshine days in September
Mariefred, Sweden

  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is January (18.9 days).
The month with the least sunshine days is July (13.3 days).

Average UV index in September
Mariefred, Sweden

  • Average UV index in September: 3

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

Average cloud cover in September
Mariefred, Sweden

  • Average cloud cover in September: 43

The month with the most cloud cover is February (Cloud cover 66).
The months with the least cloud cover are June, July and August (Cloud cover 39).

Average visibility in September
Mariefred, Sweden

  • Average visibility in September: 9km

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