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
As September commences, the average high-temperature shows a reduction, transitioning from a mild 15.8°C (60.4°F) in August to a cool 10.4°C (50.7°F). September's average low-temperature reading in Muonio settles at an icy 3.9°C (39°F).Humidity
In September, the average relative humidity in Muonio is 84%.Rainfall
In September, in Muonio, the rain falls for 14.3 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 107 rainfall days, and 379mm (14.92") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 1.5 snowfall days, it receives 11mm (0.43") of snow. In Muonio, during the entire year, snow falls for 133 days and aggregates up to 1115mm (43.9") of snow.Daylight
In September, the average length of the day is 13h and 13min.On the first day of September in Muonio, sunrise is at 05:53 and sunset at 20:56. On the last day of the month, sunrise is at 07:36 and sunset at 18:53 EEST.
Sunshine
In September, the average sunshine is 5.7h.UV index
In Muonio, the average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily maximum UV index of 2 leads to the following instructions:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Muonio?
What is the average humidity in September in Muonio?
How much does it rain in Muonio in September?
When does it start snowing in Muonio?
How many hours of daylight does Muonio have in September?
What time are sunrise and sunset in September in Muonio?
How long on average sun shines in September in Muonio?
How high is the UV index in September in Muonio?
Average temperature in September
Muonio, Finland
- Average high temperature in September: 10.4°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is January (-9.3°C).
- Average low temperature in September: 3.9°C
The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is January (-15.3°C).
Average pressure in September
Muonio, Finland
- Average pressure in September: 1010.4mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1004.3mbar).
Average wind speed in September
Muonio, Finland
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is June (12.8km/h).
The calmest month (with the lowest average wind speed) is April (10.4km/h).
Average humidity in September
Muonio, Finland
- Average humidity in September: 84%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (66%).
Average rainfall in September
Muonio, Finland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (50mm).
The driest months (with the least rainfall) are February, March and April (21mm).
Average rainfall days in September
Muonio, Finland
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (1.5 days).
Average snowfall in September
Muonio, Finland
- Average snowfall in September: 11mm
The month with the highest snowfall is December (213mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Muonio, Finland
- Average snowfall days in September: 1.5 days
The month with the highest number of snowfall days is December (21.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Muonio, Finland
- Average daylight in September: 13h and 1min
The month with the longest days is August (Average daylight: 17h and 24min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in September: 5h and 4min
The month with the most sunshine is August (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in September
Muonio, Finland
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is April (9.4 days).
Average UV index in September
Muonio, Finland
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in September
Muonio, Finland
- Average cloud cover in September: 63
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 54).
Average visibility in September
Muonio, Finland
- Average visibility in September: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (5km).
Muonio, Finland
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