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
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a refreshing 15.3°C (59.5°F) in August to a fresh 12.1°C (53.8°F). In Instefjord, the September nights are characterized by an average low-temperature of 7.8°C (46°F), a minor dip from daytime readings.Humidity
In September, the average relative humidity is 83%.Rainfall
In Instefjord, in September, during 21.3 rainfall days, 188mm (7.4") of precipitation is typically accumulated. Throughout the year, there are 228.8 rainfall days, and 1766mm (69.53") of precipitation is accumulated.Snowfall
In Instefjord, snow does not fall in June through September.Daylight
The average length of the day in September in Instefjord is 12h and 53min.On the first day of September in Instefjord, sunrise is at 06:31 and sunset at 20:43. On the last day of the month, sunrise is at 07:43 and sunset at 19:12 CEST.
Sunshine
In Instefjord, the average sunshine in September is 5.2h.UV index
In Instefjord, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The daily high UV index of 2 in September translates into this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Instefjord in September?
What is the average humidity in September in Instefjord?
How many days does it rain in September in Instefjord?
When it does not snow in Instefjord?
Does it snow in Instefjord in September?
What is the average length of the day in September in Instefjord?
What time are sunrise and sunset in September in Instefjord?
How many hours of sunshine does Instefjord have in September?
What is the UV index reading in September in Instefjord?
Average temperature in September
Instefjord, Norway
- Average high temperature in September: 12.1°C
The warmest month (with the highest average high temperature) is July (16°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 7.8°C
The month with the highest average low temperature is August (10.2°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in September
Instefjord, Norway
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1005.2mbar).
Average wind speed in September
Instefjord, Norway
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is July (10.3km/h).
Average humidity in September
Instefjord, Norway
- Average humidity in September: 83%
The month with the highest relative humidity is March (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in September
Instefjord, Norway
- Average rainfall in September: 188mm
The wettest month (with the highest rainfall) is December (221mm).
The driest month (with the least rainfall) is June (85mm).
Average rainfall days in September
Instefjord, Norway
- Average rainfall days in September: 21.3 days
The month with the highest number of rainy days is August (22.8 days).
The month with the least rainy days is February (14.8 days).
Average snowfall in September
Instefjord, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is February (330mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Instefjord, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Instefjord, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).
- Average sunshine in September: 5h and 1min
The month with the most sunshine is June (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in September
Instefjord, Norway
- Average sunshine days in September: 7.5 days
The month with the most sunshine days is May (10.1 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in September
Instefjord, Norway
- Average UV index in September: 2
The months with the highest UV index are May, June, July and August (UV index 4).
The months with the lowest UV index are February, March, November and December (UV index 1).
Average cloud cover in September
Instefjord, Norway
- Average cloud cover in September: 64
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 53).
Average visibility in September
Instefjord, Norway
- Average visibility in September: 9km
The months with the highest visibility are February, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and March (8km).
Instefjord, Norway
Weather forecast for your location
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