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
Weather in September
Temperature
September indicates a minor shift in the average high-temperature, from August's refreshing 14.7°C (58.5°F) to a cool 10.9°C (51.6°F). In Isane, September nights witness a steady temperature drop to a wintry 5.1°C (41.2°F).Humidity
The average relative humidity in September in Isane is 83%.Rainfall
In Isane, during September, the rain falls for 21 days and regularly aggregates up to 150mm (5.91") of precipitation. In Isane, during the entire year, the rain falls for 219.1 days and collects up to 1747mm (68.78") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 56min.On the first day of the month, sunrise is at 06:28 and sunset at 20:45. On the last day of September, in Isane, Norway, sunrise is at 07:42 and sunset at 19:10 CEST.
Sunshine
In September, the average sunshine in Isane is 5.4h.UV index
In September, the average daily maximum UV index in Isane is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 2 in September translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Isane in September?
What is the average humidity in September in Isane?
How many days does it rain in September in Isane?
When it does not snow in Isane?
Does it snow in Isane in September?
How many hours of daylight does Isane have in September?
When is the sunrise / sunset in September in Isane?
How many hours of sunshine does Isane have in September?
What is the UV index intensity in September in Isane?
Average temperature in September
Isane, Norway
- Average high temperature in September: 10.9°C
The warmest month (with the highest average high temperature) is July (15.6°C).
The month with the lowest average high temperature is January (-3.1°C).
- Average low temperature in September: 5.1°C
The month with the highest average low temperature is July (7.9°C).
The coldest month (with the lowest average low temperature) is January (-7.4°C).
Average pressure in September
Isane, Norway
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1004.4mbar).
Average wind speed in September
Isane, Norway
- Average wind speed in September: 9.6km/h
The windiest month (with the highest average wind speed) is January (12.2km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in September
Isane, Norway
- Average humidity in September: 83%
The month with the highest relative humidity is March (91%).
The month with the lowest relative humidity is June (77%).
Average rainfall in September
Isane, Norway
- Average rainfall in September: 150mm
The wettest month (with the highest rainfall) is December (221mm).
The driest month (with the least rainfall) is June (86mm).
Average rainfall days in September
Isane, Norway
- Average rainfall days in September: 21 days
The month with the highest number of rainy days is August (23.1 days).
The month with the least rainy days is February (12.8 days).
Average snowfall in September
Isane, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (779mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Isane, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Isane, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is June (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in September
Isane, Norway
- Average sunshine days in September: 7.2 days
The month with the most sunshine days is November (9.5 days).
The month with the least sunshine days is December (4.9 days).
Average UV index in September
Isane, 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
Isane, Norway
- Average cloud cover in September: 62
The month with the most cloud cover is March (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 58).
Average visibility in September
Isane, Norway
- Average visibility in September: 8km
The months with the highest visibility are May and June (9km).
The months with the lowest visibility are January, February, March and December (7km).
Isane, Norway
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