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
A modest decline in the average high-temperature is seen during September, decreasing from an enjoyable 18.8°C (65.8°F) in August to a still refreshing 15.4°C (59.7°F). In Mysen, in September, the average low-temperature is a fresh 10°C (50°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In Mysen, Norway, during September, the rain falls for 11.7 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, there are 140.1 rainfall days, and 339mm (13.35") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 51min.On the first day of the month, sunrise is at 06:12 and sunset at 20:16. On the last day of September, sunrise is at 07:18 and sunset at 18:50 CEST.
Sunshine
The average sunshine in September in Mysen is 8.2h.UV index
In Mysen, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Mysen?
Does it snow in Mysen in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Mysen have in September?
How high is the UV index in September?
Average temperature in September
Mysen, Norway
- Average high temperature in September: 15.4°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The months with the lowest average high temperature are January and February (0.1°C).
- Average low temperature in September: 10°C
The months with the highest average low temperature are July and August (12.9°C).
The coldest month (with the lowest average low temperature) is February (-4°C).
Average pressure in September
Mysen, Norway
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is April (1014.3mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Mysen, Norway
- Average wind speed in September: 15.1km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is July (13.1km/h).
Average humidity in September
Mysen, Norway
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April and May (71%).
Average rainfall in September
Mysen, Norway
- Average rainfall in September: 32mm
The wettest months (with the highest rainfall) are July and August (44mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days in September
Mysen, Norway
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Mysen, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is March (30mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Mysen, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mysen, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 36min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Mysen, Norway
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is July (11 days).
Average UV index in September
Mysen, Norway
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Mysen, Norway
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are June, July and August (Cloud cover 38).
Average visibility in September
Mysen, Norway
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, August and September (10km).
The months with the lowest visibility are January, February, March, July, October, November and December (9km).
Mysen, Norway
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