September weather forecastOltedal, Norway

September

Weather in September

September, the first month of the autumn in Oltedal, is also a moderate month, with an average temperature fluctuating between 14.3°C (57.7°F) and 12.1°C (53.8°F).

Temperature

September's climate shows a minor adjustment in average high-temperatures to a still refreshing 14.3°C (57.7°F) from August's 16.3°C (61.3°F). A modest dip in temperatures to an average of 12.1°C (53.8°F) is observed throughout Oltedal's September nights.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In September, in Oltedal, Norway, the rain falls for 19.3 days. Throughout September, 112mm (4.41") of precipitation is accumulated. Throughout the year, there are 210.6 rainfall days, and 1013mm (39.88") of precipitation is accumulated.

Snowfall

In Oltedal, snow does not fall in May through October.

Daylight

In Oltedal, the average length of the day in September is 12h and 49min.
On the first day of the month, sunrise is at 06:35 and sunset at 20:36. On the last day of September, sunrise is at 07:39 and sunset at 19:11 CEST.

Sunshine

In September, the average sunshine in Oltedal, Norway, is 6.6h.

UV index

The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum UV index of 3 during September translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

The average high-temperature and low-temperature in Oltedal, Norway, during September are 14.3°C (57.7°F) and 12.1°C (53.8°F) respectively.

The average relative humidity in September in Oltedal is 79%.

In Oltedal, during September, the rain falls for 19.3 days and regularly aggregates up to 112mm (4.41") of precipitation.

In Oltedal, snow does not fall in May through October.

The average day length in September in Oltedal is 12h and 49min.

On the first day of September in Oltedal, sunrise is at 06:35 and sunset at 20:36. On the last day of the month, sunrise is at 07:39 and sunset at 19:11 CEST.

The average sunshine duration in September in Oltedal, Norway, is 6.6h.

The average daily maximum UV index in September in Oltedal is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Oltedal, Norway

  • Average high temperature in September: 14.3°C

The warmest month (with the highest average high temperature) is August (16.3°C).
The month with the lowest average high temperature is February (3.7°C).

  • Average low temperature in September: 12.1°C

The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (1.6°C).

Average pressure in September
Oltedal, Norway

  • Average pressure in September: 1012.6mbar

The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1006.7mbar).

Average wind speed in September
Oltedal, Norway

  • Average wind speed in September: 20.7km/h

The windiest month (with the highest average wind speed) is January (27.4km/h).
The calmest months (with the lowest average wind speed) are June and July (17.2km/h).

Average humidity in September
Oltedal, Norway

  • Average humidity in September: 79%

The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are October and November (76%).

Average rainfall in September
Oltedal, Norway

  • Average rainfall in September: 112mm

The wettest month (with the highest rainfall) is December (130mm).
The driest month (with the least rainfall) is June (43mm).

Average rainfall days in September
Oltedal, Norway

  • Average rainfall days in September: 19.3 days

The month with the highest number of rainy days is December (21.5 days).
The month with the least rainy days is June (13.3 days).

Average snowfall in September
Oltedal, Norway

  • Average snowfall in September: 0mm

The month with the highest snowfall is March (30mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Oltedal, Norway

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).

  • Average sunshine in September: 6h and 36min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).

Average sunshine days in September
Oltedal, Norway

  • Average sunshine days in September: 9.3 days

The month with the most sunshine days is June (14.4 days).
The month with the least sunshine days is December (5.8 days).

Average UV index in September
Oltedal, 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, February, March, November and December (UV index 2).

Average cloud cover in September
Oltedal, Norway

  • Average cloud cover in September: 53

The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is May (Cloud cover 44).

Average visibility in September
Oltedal, Norway

  • Average visibility in September: 9km

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