Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
During the shift to September, Røkland records a mild decrease in average high-temperature, moving from a mild 13.1°C (55.6°F) in August to a chilly 8.3°C (46.9°F). Røkland experiences an average low-temperature reading of 2.3°C (36.1°F) throughout September.Humidity
In September, the average relative humidity is 85%.Rainfall
In Røkland, Norway, during September, the rain falls for 19.7 days and regularly aggregates up to 74mm (2.91") of precipitation. Throughout the year, in Røkland, there are 189.1 rainfall days, and 825mm (32.48") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Røkland. September is the first month it typically snows. Throughout September, in the average 0.7 snowfall days, it receives 5mm (0.2") of snow. Throughout the year, in Røkland, there are 130.4 snowfall days, and 2322mm (91.42") of snow is accumulated.Daylight
In Røkland, the average length of the day in September is 13h and 10min.On the first day of the month, sunrise is at 05:31 and sunset at 20:25. On the last day of September, in Røkland, Norway, sunrise is at 07:08 and sunset at 18:28 CEST.
Sunshine
In Røkland, the average sunshine in September is 6.2h.UV index
In Røkland, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 2 transforms into these recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Røkland?
What is the average humidity in September in Røkland?
How many days does it rain in September in Røkland?
When does it start to snow in Røkland?
What is the average length of the day in September in Røkland?
When is the sunrise / sunset in September in Røkland?
How long on average sun shines in September in Røkland?
What is the UV index reading in September in Røkland?
Average temperature in September
Røkland, Norway
- Average high temperature in September: 8.3°C
The warmest month (with the highest average high temperature) is July (14.4°C).
The month with the lowest average high temperature is January (-7.8°C).
- Average low temperature in September: 2.3°C
The month with the highest average low temperature is July (7.3°C).
The coldest month (with the lowest average low temperature) is January (-13.3°C).
Average pressure in September
Røkland, Norway
- Average pressure in September: 1009.6mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1002.9mbar).
Average wind speed in September
Røkland, Norway
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is January (15km/h).
The calmest month (with the lowest average wind speed) is August (9.9km/h).
Average humidity in September
Røkland, Norway
- Average humidity in September: 85%
The month with the highest relative humidity is April (93%).
The month with the lowest relative humidity is July (77%).
Average rainfall in September
Røkland, Norway
- Average rainfall in September: 74mm
The wettest month (with the highest rainfall) is March (99mm).
The driest month (with the least rainfall) is August (50mm).
Average rainfall days in September
Røkland, Norway
- Average rainfall days in September: 19.7 days
The month with the highest number of rainy days is June (19.8 days).
The month with the least rainy days is January (10.4 days).
Average snowfall in September
Røkland, Norway
- Average snowfall in September: 5mm
The month with the highest snowfall is March (472mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Røkland, Norway
- Average snowfall days in September: 0.7 days
The month with the highest number of snowfall days is March (22.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Røkland, Norway
- Average daylight in September: 13h and 1min
The month with the longest days is May (Average daylight: 20h and 0min).
The month with the shortest days is June (Average daylight: 0h and 48min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 30min).
The month with the least sunshine is June (Average sunshine: 1h and 0min).
Average sunshine days in September
Røkland, Norway
- Average sunshine days in September: 7.6 days
The month with the most sunshine days is August (9.3 days).
The month with the least sunshine days is March (5.5 days).
Average UV index in September
Røkland, Norway
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are February, March, April, October, November and December (UV index 1).
Average cloud cover in September
Røkland, Norway
- Average cloud cover in September: 60
The month with the most cloud cover is March (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 54).
Average visibility in September
Røkland, Norway
- Average visibility in September: 8km
The months with the highest visibility are June, July and August (9km).
The month with the lowest visibility is April (6km).
