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
September implies a gentle temperature shift, with average high-temperatures reducing from August's refreshing 19.4°C (66.9°F) to a moderate 13.7°C (56.7°F). Soini reports a consistent average low-temperature of 6.7°C (44.1°F) throughout September nights.Humidity
The average relative humidity in September is 84%.Rainfall
In Soini, in September, during 14.1 rainfall days, 32mm (1.26") of precipitation is typically accumulated. Throughout the year, there are 126.7 rainfall days, and 417mm (16.42") of precipitation is accumulated.Snowfall
In Soini, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 58min.On the first day of the month, sunrise is at 06:11 and sunset at 20:34. On the last day of September, sunrise is at 07:29 and sunset at 18:56 EEST.
Sunshine
The average sunshine in September is 6.1h.UV index
In Soini, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. 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?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Soini, Finland
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is July (21.2°C).
The month with the lowest average high temperature is January (-5.2°C).
- Average low temperature in September: 6.7°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is January (-9.6°C).
Average pressure in September
Soini, Finland
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007mbar).
Average wind speed in September
Soini, Finland
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is July (9.8km/h).
Average humidity in September
Soini, 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 May (68%).
Average rainfall in September
Soini, Finland
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is March (25mm).
Average rainfall days in September
Soini, Finland
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in September
Soini, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (227mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Soini, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.7 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Soini, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 0min).
The month with the shortest days is December (Average daylight: 5h and 0min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in September
Soini, Finland
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is May (16.1 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in September
Soini, 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
Soini, Finland
- Average cloud cover in September: 61
The month with the most cloud cover is January (Cloud cover 83).
The months with the least cloud cover are June and July (Cloud cover 48).
Average visibility in September
Soini, Finland
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).
