September weather forecastSistranda, Norway

September

Weather in September

The first month of the autumn, September, is also a moderate month in Sistranda, Norway, with an average temperature varying between 11.2°C (52.2°F) and 13.3°C (55.9°F).

Temperature

September welcomes an average high-temperature of a still mild 13.3°C (55.9°F), not much different from the preceding month. The nighttime temperature in September experiences a minor dip, averaging a cool 11.2°C (52.2°F).

Humidity

In Sistranda, the average relative humidity in September is 78%.

Rainfall

In Sistranda, Norway, in September, it is raining for 17.3 days, with typically 54mm (2.13") of accumulated precipitation. Throughout the year, there are 184.1 rainfall days, and 671mm (26.42") of precipitation is accumulated.

Snowfall

In Sistranda, Norway, snow does not fall in June through September.

Sea temperature

In Sistranda, in September, the average water temperature is 12.9°C (55.2°F).
Note: Navigating the 12.9°C (55.2°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina.

Daylight

In Sistranda, the average length of the day in September is 13h and 0min.
On the first day of September in Sistranda, Norway, sunrise is at 06:10 and sunset at 20:38. On the last day of the month, sunrise is at 07:31 and sunset at 18:57 CEST.

Sunshine

The average sunshine in September in Sistranda is 7h.

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 unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 3 during September translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

During September, Sistranda experiences an average high-temperature of 13.3°C (55.9°F) and a low-temperature of 11.2°C (52.2°F).

In September, the average relative humidity is 78%.

In Sistranda, in September, it is raining for 17.3 days, with typically 54mm (2.13") of accumulated precipitation.

In Sistranda, Norway, snow does not fall in June through September.

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

In Sistranda, in September, the average water temperature is 12.9°C (55.2°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

In September, the average day length in Sistranda is 13h and 0min.

In September, on the first day of the month, sunrise is at 06:10 and sunset at 20:38. On the last day of the month, in Sistranda, Norway, sunrise is at 07:31 and sunset at 18:57 CEST.

In Sistranda, Norway, the average sunshine duration in September is 7h.

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health risk 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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sistranda, Norway

  • Average high temperature in September: 13.3°C

The warmest month (with the highest average high temperature) is August (14.6°C).
The months with the lowest average high temperature are January and February (4.3°C).

  • Average low temperature in September: 11.2°C

The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (2°C).

Average pressure in September
Sistranda, Norway

  • Average pressure in September: 1009.6mbar

The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1001.7mbar).

Average wind speed in September
Sistranda, Norway

  • Average wind speed in September: 24.1km/h

The windiest month (with the highest average wind speed) is December (32.1km/h).
The calmest month (with the lowest average wind speed) is August (19.3km/h).

Average humidity in September
Sistranda, Norway

  • Average humidity in September: 78%

The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are January, March, October, November and December (73%).

Average rainfall in September
Sistranda, Norway

  • Average rainfall in September: 54mm

The wettest month (with the highest rainfall) is December (90mm).
The driest month (with the least rainfall) is June (26mm).

Average rainfall days in September
Sistranda, Norway

  • Average rainfall days in September: 17.3 days

The month with the highest number of rainy days is December (18.5 days).
The month with the least rainy days is June (11.5 days).

Average snowfall in September
Sistranda, Norway

  • Average snowfall in September: 0mm

The month with the highest snowfall is March (72mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Sistranda, Norway

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is March (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average sea temperature in September
Sistranda, Norway

  • Average sea temperature in September: 12.9°C

The best month for swimming (with the highest average sea temperature) is August (14°C).
The coldest month (with the lowest average sea temperature) is March (5.8°C).

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

  • Average daylight in September: 13h and 0min

The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 36min).

  • Average sunshine in September: 7h and 0min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).

Average sunshine days in September
Sistranda, Norway

  • Average sunshine days in September: 11.5 days

The month with the most sunshine days is July (16.5 days).
The month with the least sunshine days is March (6.8 days).

Average UV index in September
Sistranda, 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
Sistranda, Norway

  • Average cloud cover in September: 53

The month with the most cloud cover is March (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 50).

Average visibility in September
Sistranda, Norway

  • Average visibility in September: 10km

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