September weather forecastHjartåker, Norway
September
Weather in September
The first month of the autumn, September, is still a cool month in Hjartåker, Norway, with an average temperature fluctuating between 6.6°C (43.9°F) and 11.6°C (52.9°F).Temperature
September's onset introduces a mild reduction in the average high-temperature, from a moderate 14.9°C (58.8°F) in August to a cool 11.6°C (52.9°F). In Hjartåker, September is characterized by an average low-temperature of 6.6°C (43.9°F), indicating a minor drop from daytime highs.Humidity
In September, the average relative humidity in Hjartåker is 84%.Rainfall
In Hjartåker, in September, during 20.6 rainfall days, 196mm (7.72") of precipitation is typically accumulated. Throughout the year, there are 174.6 rainfall days, and 2089mm (82.24") of precipitation is accumulated.Snowfall
Months with snowfall in Hjartåker, Norway, are January through July, September through December. September is the first month it typically snows. Throughout September, in the average 0.7 snowfall days, it receives 17mm (0.67") of snow. In Hjartåker, during the entire year, snow falls for 125.8 days and aggregates up to 6227mm (245.16") of snow.Daylight
In Hjartåker, the average length of the day in September is 12h and 52min.On the first day of September in Hjartåker, sunrise is at 06:33 and sunset at 20:40. On the last day of the month, sunrise is at 07:41 and sunset at 19:12 CEST.
Sunshine
In Hjartåker, Norway, the average sunshine in September is 5h.UV index
In Hjartåker, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.Note: An average UV index of 2 in September transforms into this advice:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hjartåker, Norway
- Average high temperature in September: 11.6°C
The warmest month (with the highest average high temperature) is July (15.4°C).
The month with the lowest average high temperature is January (-2°C).
- Average low temperature in September: 6.6°C
The month with the highest average low temperature is August (8.9°C).
The coldest month (with the lowest average low temperature) is February (-6.5°C).
Average pressure in September
Hjartåker, Norway
- Average pressure in September: 1012.1mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1006.2mbar).
Average wind speed in September
Hjartåker, Norway
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is January (12.5km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).
Average humidity in September
Hjartåker, Norway
- Average humidity in September: 84%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is June (77%).
Average rainfall in September
Hjartåker, Norway
- Average rainfall in September: 196mm
The wettest month (with the highest rainfall) is December (283mm).
The driest month (with the least rainfall) is June (95mm).
Average rainfall days in September
Hjartåker, Norway
- Average rainfall days in September: 20.6 days
The month with the highest number of rainy days is August (23 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Hjartåker, Norway
- Average snowfall in September: 17mm
The month with the highest snowfall is January (1273mm).
The month with the least snowfall is August (0mm).
Average snowfall days in September
Hjartåker, Norway
- Average snowfall days in September: 0.7 days
The month with the highest number of snowfall days is March (22.3 days).
The month with the least snowfall days is August (0 days).
Average daylight in September /
Average sunshine in September
Hjartåker, Norway
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 5h and 0min
The month with the most sunshine is June (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Hjartåker, Norway
- Average sunshine days in September: 7.7 days
The months with the most sunshine days are April and May (11.1 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in September
Hjartåker, Norway
- Average UV index in September: 2
The month with the highest UV index is June (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Hjartåker, Norway
- Average cloud cover in September: 65
The month with the most cloud cover is December (Cloud cover 72).
The months with the least cloud cover are May and June (Cloud cover 56).
Average visibility in September
Hjartåker, Norway
- Average visibility in September: 8km
The months with the highest visibility are June and August (9km).
The months with the lowest visibility are January, February, March and December (7km).
