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
In Muonio, entering September brings a temperature decrement, reducing from August's mild 15.8°C to a cool 10.4°C. Muonio experiences an average nighttime temperature of 3.9°C in the month of September.Humidity
In Muonio, the average relative humidity in September is 84%.Rainfall
In Muonio, during September, the rain falls for 14.3 days and regularly aggregates up to 36mm of precipitation. In Muonio, Finland, during the entire year, the rain falls for 107 days and collects up to 379mm of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Muonio. Throughout September, in the average 1.5 snowfall days, it receives 11mm of snow. In Muonio, during the entire year, snow falls for 133 days and aggregates up to 1115mm of snow.Daylight
In Muonio, the average length of the day in September is 13h and 13min.On the first day of the month, sunrise is at 05:51 and sunset at 20:59. On the last day of September, in Muonio, sunrise is at 07:33 and sunset at 18:56 EEST.
Sunshine
In Muonio, Finland, the average sunshine in September is 5.7h.UV index
In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: During September, 2 as the daily maximum UV index converts into the following advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
FAQ
What is the average September temperature in Muonio?
What is the average humidity in September in Muonio?
How many days does it rain in September in Muonio?
When does it start to snow in Muonio?
What is the average length of the day in September in Muonio?
When are sunrise and sunset in September in Muonio?
How many hours of sunshine does Muonio have in September?
What is the UV index reading 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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