September weather forecastBjelland, Norway

September

Weather in September

September, the first month of the autumn in Bjelland, is still a mild month, with an average temperature fluctuating between 9.1°C (48.4°F) and 13.9°C (57°F).

Temperature

The shift from August to September includes a small decrease in the average high-temperature, from a comfortable 17°C (62.6°F) to a mild 13.9°C (57°F). In September, a low-temperature average of 9.1°C (48.4°F) is characteristic of Bjelland, marking a minor shift from daytime temperatures.

Humidity

The average relative humidity in September is 83%.

Rainfall

In Bjelland, during September, the rain falls for 19 days and regularly aggregates up to 100mm (3.94") of precipitation. Throughout the year, in Bjelland, there are 180.4 rainfall days, and 1063mm (41.85") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Bjelland, the average length of the day in September is 12h and 49min.
On the first day of September in Bjelland, Norway, sunrise is at 06:30 and sunset at 20:29. On the last day of the month, sunrise is at 07:33 and sunset at 19:06 CEST.

Sunshine

In September, the average sunshine in Bjelland is 6.7h.

UV index

In September, the average daily maximum UV index in Bjelland is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: During September, 3 as the daily maximum UV index converts into the following advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

The high-temperature in Bjelland during September is 13.9°C (57°F) and the low-temperature is 9.1°C (48.4°F).

In September, the average relative humidity in Bjelland, Norway, is 83%.

In Bjelland, in September, during 19 rainfall days, 100mm (3.94") of precipitation is typically accumulated.

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

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

In Bjelland, Norway, the average day length in September is 12h and 49min.

On the first day of September in Bjelland, sunrise is at 06:30 and sunset at 20:29. On the last day of the month, sunrise is at 07:33 and sunset at 19:06 CEST.

In Bjelland, Norway, the average sunshine duration in September is 6.7h.

In September, the average daily maximum UV index in Bjelland, Norway, is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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
Bjelland, Norway

  • Average high temperature in September: 13.9°C

The warmest month (with the highest average high temperature) is July (17.9°C).
The month with the lowest average high temperature is February (1°C).

  • Average low temperature in September: 9.1°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is February (-2.7°C).

Average pressure in September
Bjelland, Norway

  • Average pressure in September: 1013mbar

The months with the highest atmospheric pressure are April and May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).

Average wind speed in September
Bjelland, Norway

  • Average wind speed in September: 16km/h

The windiest month (with the highest average wind speed) is January (18.9km/h).
The calmest months (with the lowest average wind speed) are July and August (13.9km/h).

Average humidity in September
Bjelland, Norway

  • Average humidity in September: 83%

The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are May and June (73%).

Average rainfall in September
Bjelland, Norway

  • Average rainfall in September: 100mm

The wettest month (with the highest rainfall) is December (121mm).
The driest month (with the least rainfall) is April (45mm).

Average rainfall days in September
Bjelland, Norway

  • Average rainfall days in September: 19 days

The month with the highest number of rainy days is October (19.5 days).
The month with the least rainy days is February (7.9 days).

Average snowfall in September
Bjelland, Norway

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (243mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Bjelland, Norway

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Bjelland, Norway

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 12min).
The month with the shortest days is December (Average daylight: 6h and 30min).

  • Average sunshine in September: 6h and 42min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

Average sunshine days in September
Bjelland, Norway

  • Average sunshine days in September: 7.7 days

The months with the most sunshine days are April and May (12.5 days).
The month with the least sunshine days is November (7.3 days).

Average UV index in September
Bjelland, Norway

  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in September
Bjelland, Norway

  • Average cloud cover in September: 51

The months with the most cloud cover are January, February and November (Cloud cover 65).
The month with the least cloud cover is June (Cloud cover 39).

Average visibility in September
Bjelland, Norway

  • Average visibility in September: 9km

The months with the highest visibility are April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February and March (8km).