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 Nellim, the average high-temperature in September gently drops from a mild 15°C (59°F) in August to a cool 10.3°C (50.5°F). September in Nellim sees the temperature falling to a mean low of 5.3°C (41.5°F).Humidity
In Nellim, the average relative humidity in September is 83%.Rainfall
In Nellim, in September, during 14.3 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Nellim, during the entire year, the rain falls for 115.3 days and collects up to 395mm (15.55") of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Nellim. Throughout September, in the average 1.6 snowfall days, it receives 9mm (0.35") of snow. Throughout the year, in Nellim, Finland, there are 130.8 snowfall days, and 1094mm (43.07") of snow is accumulated.Daylight
In Nellim, Finland, the average length of the day in September is 13h and 17min.On the first day of the month, sunrise is at 05:30 and sunset at 20:42. On the last day of September, in Nellim, sunrise is at 07:18 and sunset at 18:34 EEST.
Sunshine
In September, the average sunshine in Nellim, Finland, is 5.7h.UV index
The average daily maximum UV index in September in Nellim, Finland, is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index, 2 in September, converts into the following recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the temperature in September in Nellim?
What is the average humidity in September in Nellim?
How much does it rain in Nellim in September?
When does it start snowing in Nellim?
What is the average length of the day in September in Nellim?
When are sunrise and sunset in September in Nellim?
How many hours of sunshine does Nellim have in September?
How high is the UV index in September in Nellim?
Average temperature in September
Nellim, Finland
- Average high temperature in September: 10.3°C
The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-8.5°C).
- Average low temperature in September: 5.3°C
The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is January (-14°C).
Average pressure in September
Nellim, Finland
- Average pressure in September: 1010.6mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1004.2mbar).
Average wind speed in September
Nellim, Finland
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is March (16.2km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).
Average humidity in September
Nellim, Finland
- Average humidity in September: 83%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is June (67%).
Average rainfall in September
Nellim, Finland
- Average rainfall in September: 34mm
The wettest months (with the highest rainfall) are June and July (48mm).
The driest month (with the least rainfall) is February (21mm).
Average rainfall days in September
Nellim, Finland
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (1.9 days).
Average snowfall in September
Nellim, Finland
- Average snowfall in September: 9mm
The month with the highest snowfall is January (166mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Nellim, Finland
- Average snowfall days in September: 1.6 days
The month with the highest number of snowfall days is December (20.2 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Nellim, Finland
- Average daylight in September: 13h and 2min
The month with the longest days is August (Average daylight: 17h and 42min).
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: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).
Average sunshine days in September
Nellim, Finland
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is January (13.8 days).
The month with the least sunshine days is April (8.1 days).
Average UV index in September
Nellim, 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
Nellim, Finland
- Average cloud cover in September: 62
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 56).
Average visibility in September
Nellim, Finland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, April and December (7km).
Nellim, Finland
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