September weather forecast
Muonio, Finland

Weather in September

September, the first month of the autumn in Muonio, is also a fresh month, with an average temperature varying between 3.9°C (39°F) and 10.4°C (50.7°F).

Temperature

In Muonio, the average high-temperature in September decreases from a moderate 15.8°C (60.4°F) in August to a cool 10.4°C (50.7°F). In Muonio, in September, the average low-temperature is 3.9°C (39°F).

Humidity

The average relative humidity in September in Muonio is 84%.

Rainfall

In Muonio, in September, it is raining for 14.3 days, with typically 36mm (1.42") of accumulated precipitation. In Muonio, Finland, during the entire year, the rain falls for 107 days and collects up to 379mm (14.92") of precipitation.

Snowfall

January through June, September through December are months with snowfall in Muonio. September is the first month it typically snows. Throughout September, in the average 1.5 snowfall days, it receives 11mm (0.43") of snow. Throughout the year, there are 133 snowfall days, and 1115mm (43.9") of snow is accumulated.

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 05:52 and sunset at 20:58. On the last day of September, in Muonio, sunrise is at 07:34 and sunset at 18:55 EEST.

Sunshine

In September, the average sunshine is 5.7h.

UV index

In September, the average daily maximum UV index in Muonio, Finland, is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 2 in September interpret into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in September in Muonio?

In September, in Muonio, Finland, the average high-temperature is 10.4°C (50.7°F), and the average low-temperature is 3.9°C (39°F).

What is the average humidity in September in Muonio?

The average relative humidity in September is 84%.

How much does it rain in Muonio in September?

In Muonio, Finland, in September, it is raining for 14.3 days, with typically 36mm (1.42") of accumulated precipitation.

When does it start to snow in Muonio?

September is the first month it typically snows in Muonio. Throughout September, in the average 1.5 snowfall days, it receives 11mm (0.43") of snow.

What is the average length of the day in September in Muonio?

The average day length in September in Muonio, Finland, is 13h and 13min.

When are sunrise and sunset in September in Muonio?

On the first day of September in Muonio, Finland, sunrise is at 05:52 and sunset at 20:58. On the last day of the month, sunrise is at 07:34 and sunset at 18:55 EEST.

How long on average sun shines in September in Muonio?

In September, the average sunshine duration is 5.7h.

What is the UV index reading in September in Muonio?

The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Muonio, Finland

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).

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Average pressure in September
Muonio, Finland

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).

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Average wind speed in September
Muonio, Finland

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).

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Average humidity in September
Muonio, Finland

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%).

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Average rainfall in September
Muonio, Finland

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).

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Average rainfall days in September
Muonio, Finland

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).

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Average snowfall in September
Muonio, Finland

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).

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Average snowfall days in September
Muonio, Finland

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).

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Average daylight in September /
Average sunshine in September
Muonio, Finland

Average daylight in September / Average sunshine in September - Muonio, Finland
  • Average daylight in September: 13h and 13min

The month with the longest days is August (Average daylight: 17h and 22min).
The month with the shortest days is June (Average daylight: 0h and 0min).

  • Average sunshine in September: 5h and 42min

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).

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Average sunshine days in September
Muonio, Finland

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).

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Average UV index in September
Muonio, Finland

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).

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Average cloud cover in September
Muonio, Finland

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).

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Average visibility in September
Muonio, Finland

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).

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