September weather forecastHatlestrand, Norway
September
Weather in September
The first month of the autumn, September, is also a frosty month in Hatlestrand, Norway, with an average temperature varying between 8.2°C (46.8°F) and 3.7°C (38.7°F).Temperature
In the transition to September, Hatlestrand observes a minor drop in the average high-temperature, shifting from a cool 11.6°C (52.9°F) in August to a chilly 8.2°C (46.8°F). Hatlestrand maintains a consistent average nighttime low-temperature of 3.7°C (38.7°F) throughout September.Humidity
In September, the average relative humidity is 88%.Rainfall
In September, the rain falls for 20.1 days. Throughout September, 131mm (5.16") of precipitation is accumulated. Throughout the year, there are 198.7 rainfall days, and 1548mm (60.94") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. In Hatlestrand, during the entire year, snow falls for 96.7 days and aggregates up to 2625mm (103.35") of snow.Daylight
In Hatlestrand, the average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 06:32 and sunset at 20:39. On the last day of September, sunrise is at 07:40 and sunset at 19:11 CEST.
Sunshine
In Hatlestrand, the average sunshine in September is 4.7h.UV index
In Hatlestrand, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the average maximum UV index of 2 translates into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. When the Sun is at its strongest around midday, find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hatlestrand, Norway
- Average high temperature in September: 8.2°C
The warmest month (with the highest average high temperature) is July (12.6°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in September: 3.7°C
The month with the highest average low temperature is July (6.8°C).
The coldest month (with the lowest average low temperature) is February (-10.6°C).
Average pressure in September
Hatlestrand, Norway
- Average pressure in September: 1012.3mbar
The months with the highest atmospheric pressure are April and May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in September
Hatlestrand, Norway
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is January (13.3km/h).
The calmest month (with the lowest average wind speed) is July (9.1km/h).
Average humidity in September
Hatlestrand, Norway
- Average humidity in September: 88%
The month with the highest relative humidity is December (94%).
The month with the lowest relative humidity is June (81%).
Average rainfall in September
Hatlestrand, Norway
- Average rainfall in September: 131mm
The wettest month (with the highest rainfall) is December (206mm).
The driest month (with the least rainfall) is June (87mm).
Average rainfall days in September
Hatlestrand, Norway
- Average rainfall days in September: 20.1 days
The month with the highest number of rainy days is August (23.2 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in September
Hatlestrand, Norway
- Average snowfall in September: 1mm
The month with the highest snowfall is January (581mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Hatlestrand, Norway
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (18.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Hatlestrand, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 4h and 42min
The month with the most sunshine is June (Average sunshine: 7h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in September
Hatlestrand, Norway
- Average sunshine days in September: 8.1 days
The month with the most sunshine days is October (10.4 days).
The month with the least sunshine days is August (5.7 days).
Average UV index in September
Hatlestrand, Norway
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Hatlestrand, Norway
- Average cloud cover in September: 70
The month with the most cloud cover is December (Cloud cover 76).
The month with the least cloud cover is June (Cloud cover 61).
Average visibility in September
Hatlestrand, Norway
- Average visibility in September: 8km
The months with the highest visibility are June, July, August, September and October (8km).
The months with the lowest visibility are February, March and December (6km).





