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
September
Weather in September
Temperature
As Uukuniemi enters September, the average high-temperature decreases from the an enjoyable 18.8°C (65.8°F) of August to a mild 13.5°C (56.3°F). Uukuniemi's temperature during September nights registers a minor decrease to an average low of 9.4°C (48.9°F).Humidity
In Uukuniemi, Finland, the average relative humidity in September is 82%.Rainfall
In September, the rain falls for 15.3 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, in Uukuniemi, Finland, there are 128.9 rainfall days, and 455mm (17.91") of precipitation is accumulated.Snowfall
In Uukuniemi, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 56min.On the first day of the month, sunrise is at 05:51 and sunset at 20:08. On the last day of September, sunrise is at 07:05 and sunset at 18:34 EEST.
Sunshine
The average sunshine in September is 6.2h.UV index
The average daily maximum UV index in September in Uukuniemi, Finland, is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. To protect against the Sun's most potent rays, avoid direct exposure around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Uukuniemi?
What is the average humidity in September in Uukuniemi?
How many days does it rain in September in Uukuniemi?
When it does not snow in Uukuniemi?
Does it snow in Uukuniemi in September?
How many hours of daylight does Uukuniemi have in September?
What time are sunrise and sunset in September in Uukuniemi?
How long on average sun shines in September in Uukuniemi?
What is the UV index intensity in September in Uukuniemi?
Average temperature in September
Uukuniemi, Finland
- Average high temperature in September: 13.5°C
The warmest month (with the highest average high temperature) is July (19.8°C).
The month with the lowest average high temperature is January (-4.7°C).
- Average low temperature in September: 9.4°C
The month with the highest average low temperature is July (13.7°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in September
Uukuniemi, Finland
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1009mbar).
Average wind speed in September
Uukuniemi, Finland
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest month (with the lowest average wind speed) is July (11.9km/h).
Average humidity in September
Uukuniemi, Finland
- Average humidity in September: 82%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Uukuniemi, Finland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is August (57mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Uukuniemi, Finland
- Average rainfall days in September: 15.3 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Uukuniemi, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (195mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Uukuniemi, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Uukuniemi, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Uukuniemi, Finland
- Average sunshine days in September: 12 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is December (8.1 days).
Average UV index in September
Uukuniemi, Finland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in September
Uukuniemi, Finland
- Average cloud cover in September: 53
The month with the most cloud cover is February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Uukuniemi, Finland
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January and February (7km).
