September weather forecastLongva, Norway

September

Weather in September

The first month of the autumn, September, is also a moderate month in Longva, Norway, with an average temperature fluctuating between 13.4°C (56.1°F) and 10.9°C (51.6°F).

Temperature

The arrival of September is marked by an average high-temperature of a still moderate 13.4°C (56.1°F), bearing a close resemblance to August. In Longva, September is characterized by an average low-temperature of 10.9°C (51.6°F), indicating a minor drop from daytime highs.

Humidity

In Longva, the average relative humidity in September is 76%.

Rainfall

In Longva, during September, the rain falls for 19.5 days and regularly aggregates up to 107mm (4.21") of precipitation. Throughout the year, in Longva, Norway, there are 212.1 rainfall days, and 1083mm (42.64") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Longva.

Daylight

In Longva, the average length of the day in September is 12h and 58min.
On the first day of the month, sunrise is at 06:23 and sunset at 20:45. On the last day of September, sunrise is at 07:41 and sunset at 19:08 CEST.

Sunshine

In Longva, the average sunshine in September is 6.6h.

UV index

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the UV index of 3 transforms into the following advice:
Adopt protective measures - It is advised to guard against sun damage. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

The average high-temperature and low-temperature in Longva during September are 13.4°C (56.1°F) and 10.9°C (51.6°F) respectively.

The average relative humidity in September in Longva is 76%.

In Longva, Norway, in September, during 19.5 rainfall days, 107mm (4.21") of precipitation is typically accumulated.

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

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

In Longva, Norway, the average day length in September is 12h and 58min.

In September, on the first day of the month, sunrise is at 06:23 and sunset at 20:45. On the last day of the month, in Longva, sunrise is at 07:41 and sunset at 19:08 CEST.

In September, the average sunshine duration in Longva is 6.6h.

In September, the average daily maximum UV index in Longva is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Longva, Norway

  • Average high temperature in September: 13.4°C

The warmest month (with the highest average high temperature) is August (15.1°C).
The month with the lowest average high temperature is February (3.7°C).

  • Average low temperature in September: 10.9°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).

Average pressure in September
Longva, Norway

  • Average pressure in September: 1010.3mbar

The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1002.9mbar).

Average wind speed in September
Longva, Norway

  • Average wind speed in September: 19.7km/h

The windiest month (with the highest average wind speed) is December (26.9km/h).
The calmest month (with the lowest average wind speed) is August (15.1km/h).

Average humidity in September
Longva, Norway

  • Average humidity in September: 76%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is November (70%).

Average rainfall in September
Longva, Norway

  • Average rainfall in September: 107mm

The wettest month (with the highest rainfall) is December (134mm).
The driest month (with the least rainfall) is June (47mm).

Average rainfall days in September
Longva, Norway

  • Average rainfall days in September: 19.5 days

The month with the highest number of rainy days is August (20.4 days).
The months with the least rainy days are February and June (15.3 days).

Average snowfall in September
Longva, Norway

  • Average snowfall in September: 0mm

The month with the highest snowfall is February (134mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Longva, Norway

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 19h and 54min).
The month with the shortest days is December (Average daylight: 5h and 6min).

  • Average sunshine in September: 6h and 36min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 18min).

Average sunshine days in September
Longva, Norway

  • Average sunshine days in September: 8.9 days

The month with the most sunshine days is June (11.8 days).
The month with the least sunshine days is December (7.2 days).

Average UV index in September
Longva, Norway

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Longva, Norway

  • Average cloud cover in September: 54

The month with the most cloud cover is March (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 51).

Average visibility in September
Longva, Norway

  • Average visibility in September: 10km

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