September weather forecastOteren, Norway
September
Weather in September
September, the first month of the autumn in Oteren, is also a frosty month, with an average temperature fluctuating between 2.5°C (36.5°F) and 7.5°C (45.5°F).Temperature
The average high-temperature slightly decreases in September, shifting from a cool 11.8°C (53.2°F) in August to a chilly 7.5°C (45.5°F). In Oteren, the nocturnal temperatures throughout September show a marginal dip from the daytime averages, settling at a cold 2.5°C (36.5°F).Humidity
In Oteren, the average relative humidity in September is 86%.Rainfall
In Oteren, in September, during 15.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Oteren, during the entire year, the rain falls for 141.9 days and collects up to 518mm (20.39") of precipitation.Snowfall
January through June, September through December are months with snowfall in Oteren. September is the first month it typically snows. Throughout September, in the average 1.1 snowfall days, it receives 16mm (0.63") of snow. Throughout the year, there are 116.2 snowfall days, and 1629mm (64.13") of snow is accumulated.Daylight
The average length of the day in September is 13h and 18min.On the first day of September in Oteren, sunrise is at 05:02 and sunset at 20:18. On the last day of the month, sunrise is at 06:53 and sunset at 18:07 CEST.
Sunshine
In September, the average sunshine is 5.4h.UV index
The months with the lowest UV index are February through April, September through December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 1 translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take careful note! The UV radiation of the Sun 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
Oteren, Norway
- Average high temperature in September: 7.5°C
The warmest month (with the highest average high temperature) is July (13.2°C).
The month with the lowest average high temperature is January (-8.5°C).
- Average low temperature in September: 2.5°C
The month with the highest average low temperature is July (7.1°C).
The coldest month (with the lowest average low temperature) is February (-13.9°C).
Average pressure in September
Oteren, Norway
- Average pressure in September: 1009.3mbar
The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1001.7mbar).
Average wind speed in September
Oteren, Norway
- Average wind speed in September: 10.1km/h
The windiest month (with the highest average wind speed) is January (13.4km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Oteren, Norway
- Average humidity in September: 86%
The month with the highest relative humidity is April (94%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
Oteren, Norway
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (57mm).
The driest month (with the least rainfall) is November (29mm).
Average rainfall days in September
Oteren, Norway
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is July (21 days).
The month with the least rainy days is March (5.6 days).
Average snowfall in September
Oteren, Norway
- Average snowfall in September: 16mm
The month with the highest snowfall is March (313mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Oteren, Norway
- Average snowfall days in September: 1.1 days
The month with the highest number of snowfall days is March (20.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Oteren, Norway
- Average daylight in September: 13h and 18min
The month with the longest days is August (Average daylight: 17h and 48min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in September: 5h and 24min
The month with the most sunshine is August (Average sunshine: 7h and 36min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).
Average sunshine days in September
Oteren, Norway
- Average sunshine days in September: 10.4 days
The month with the most sunshine days is January (13.9 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Oteren, Norway
- Average UV index in September: 1
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March, April, September, October, November and December (UV index 1).
Average cloud cover in September
Oteren, Norway
- Average cloud cover in September: 65
The months with the most cloud cover are March and April (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 61).
Average visibility in September
Oteren, Norway
- Average visibility in September: 8km
The month with the highest visibility is July (9km).
The months with the lowest visibility are March, April and May (6km).
