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
Arrival of September comes with a reduction in the average high-temperature, falling from a refreshing 19.3°C (66.7°F) in August to a moderate 13.6°C (56.5°F). Throughout September, Maaninka's nights cool down to an average of 7.9°C (46.2°F).Humidity
The average relative humidity in September is 82%.Rainfall
In September, the rain falls for 12.5 days. Throughout September, 25mm (0.98") of precipitation is accumulated. In Maaninka, during the entire year, the rain falls for 106.5 days and collects up to 384mm (15.12") of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 110.8 snowfall days, and 1074mm (42.28") of snow is accumulated.Daylight
The average length of the day in September is 12h and 59min.On the first day of September, sunrise is at 05:58 and sunset at 20:23. On the last day of the month, sunrise is at 07:17 and sunset at 18:43 EEST.
Sunshine
In September, the average sunshine is 6.4h.UV index
In Maaninka, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 3 in September translates into this advice:
Take precautions - Protection against skin and eye damage is obliged. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Maaninka in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start snowing?
What is the average length of the day in September?
When are sunrise and sunset in September in Maaninka?
How many hours of sunshine does Maaninka have in September?
What is the UV index reading in September?
Average temperature in September
Maaninka, Finland
- Average high temperature in September: 13.6°C
The warmest month (with the highest average high temperature) is July (20.9°C).
The month with the lowest average high temperature is January (-5.8°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is July (12.9°C).
The coldest month (with the lowest average low temperature) is January (-9.9°C).
Average pressure in September
Maaninka, Finland
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1008mbar).
Average wind speed in September
Maaninka, Finland
- Average wind speed in September: 13km/h
The windiest month (with the highest average wind speed) is November (15km/h).
The calmest month (with the lowest average wind speed) is July (10.9km/h).
Average humidity in September
Maaninka, Finland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (68%).
Average rainfall in September
Maaninka, Finland
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Maaninka, Finland
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Maaninka, Finland
- Average snowfall in September: 2mm
The month with the highest snowfall is January (230mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Maaninka, Finland
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (23.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Maaninka, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 12min).
The month with the shortest days is December (Average daylight: 4h and 54min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in September
Maaninka, Finland
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is May (19.3 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Maaninka, 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
Maaninka, Finland
- Average cloud cover in September: 58
The months with the most cloud cover are January and February (Cloud cover 82).
The month with the least cloud cover is July (Cloud cover 42).
Average visibility in September
Maaninka, Finland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (5km).
