September weather forecastSveio, Norway

September

Weather in September

September, the first month of the autumn in Sveio, is also a moderate month, with an average temperature fluctuating between 14.4°C (57.9°F) and 12.2°C (54°F).

Temperature

In September, the average high-temperature registers at a moderate 14.4°C (57.9°F), nearly identical to August's 16.5°C (61.7°F). Sveio maintains an average of approximately a fresh 12.2°C (54°F) during September nights, with only a minimal decrease from the daytime temperature.

Humidity

In Sveio, the average relative humidity in September is 79%.

Rainfall

In September, the rain falls for 20.3 days. Throughout September, 123mm (4.84") of precipitation is accumulated. Throughout the year, in Sveio, Norway, there are 220.1 rainfall days, and 1290mm (50.79") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Sveio.

Daylight

In Sveio, the average length of the day in September is 12h and 50min.
On the first day of September, sunrise is at 06:36 and sunset at 20:40. On the last day of the month, sunrise is at 07:42 and sunset at 19:14 CEST.

Sunshine

The average sunshine in September in Sveio is 5.9h.

UV index

In Sveio, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In September, the maximum UV index of 3 suggests this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.

Frequently asked questions

In September, in Sveio, the average high-temperature is 14.4°C (57.9°F), and the average low-temperature is 12.2°C (54°F).

The average relative humidity in September in Sveio, Norway, is 79%.

In Sveio, Norway, in September, it is raining for 20.3 days, with typically 123mm (4.84") of accumulated precipitation.

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

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

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

On the first day of September, sunrise is at 06:36 and sunset at 20:40. On the last day of the month, sunrise is at 07:42 and sunset at 19:14 CEST.

In September, the average sunshine duration in Sveio is 5.9h.

In Sveio, Norway, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health 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
Sveio, Norway

  • Average high temperature in September: 14.4°C

The warmest month (with the highest average high temperature) is August (16.5°C).
The month with the lowest average high temperature is February (4.1°C).

  • Average low temperature in September: 12.2°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (2.1°C).

Average pressure in September
Sveio, Norway

  • Average pressure in September: 1012.4mbar

The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1006.3mbar).

Average wind speed in September
Sveio, Norway

  • Average wind speed in September: 20.2km/h

The windiest month (with the highest average wind speed) is January (26.7km/h).
The calmest months (with the lowest average wind speed) are June and July (17.5km/h).

Average humidity in September
Sveio, Norway

  • Average humidity in September: 79%

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

Average rainfall in September
Sveio, Norway

  • Average rainfall in September: 123mm

The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is April (58mm).

Average rainfall days in September
Sveio, Norway

  • Average rainfall days in September: 20.3 days

The month with the highest number of rainy days is December (21.8 days).
The month with the least rainy days is June (14.6 days).

Average snowfall in September
Sveio, Norway

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Sveio, Norway

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 48min

The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in September: 5h and 54min

The month with the most sunshine is June (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 2h and 12min).

Average sunshine days in September
Sveio, Norway

  • Average sunshine days in September: 8.5 days

The month with the most sunshine days is June (13.7 days).
The month with the least sunshine days is December (6.2 days).

Average UV index in September
Sveio, Norway

  • Average UV index in September: 3

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

Average cloud cover in September
Sveio, Norway

  • Average cloud cover in September: 58

The month with the most cloud cover is December (Cloud cover 69).
The month with the least cloud cover is May (Cloud cover 47).

Average visibility in September
Sveio, Norway

  • Average visibility in September: 10km

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