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
Transition into September marks a drop in the average high-temperature, moving from a pleasant 20.1°C (68.2°F) in August to a moderate 14.3°C (57.7°F). In Ruovesi, September nights cool down to an average of 7.4°C (45.3°F).Humidity
In September, the average relative humidity is 83%.Rainfall
In Ruovesi, during September, the rain falls for 12.6 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, in Ruovesi, there are 119.7 rainfall days, and 379mm (14.92") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Ruovesi, Finland. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 102.7 snowfall days, and 976mm (38.43") of snow is accumulated.Daylight
The average length of the day in September is 12h and 56min.On the first day of September in Ruovesi, Finland, sunrise is at 06:14 and sunset at 20:32. On the last day of the month, sunrise is at 07:29 and sunset at 18:57 EEST.
Sunshine
In Ruovesi, Finland, the average sunshine in September is 6.5h.UV index
In Ruovesi, Finland, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Ruovesi in September?
What is the average humidity in September in Ruovesi?
How many days does it rain in September in Ruovesi?
When does it start snowing in Ruovesi?
What is the average length of the day in September in Ruovesi?
What time are sunrise and sunset in September in Ruovesi?
How many hours of sunshine does Ruovesi have in September?
How high is the UV index in September in Ruovesi?
Average temperature in September
Ruovesi, Finland
- Average high temperature in September: 14.3°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-4.9°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure in September
Ruovesi, Finland
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1007.7mbar).
Average wind speed in September
Ruovesi, Finland
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (12.3km/h).
The calmest month (with the lowest average wind speed) is July (9.6km/h).
Average humidity in September
Ruovesi, Finland
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in September
Ruovesi, Finland
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is October (41mm).
The driest months (with the least rainfall) are March and April (25mm).
Average rainfall days in September
Ruovesi, Finland
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in September
Ruovesi, Finland
- Average snowfall in September: 1mm
The month with the highest snowfall is December (221mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Ruovesi, Finland
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Ruovesi, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in September: 6h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 0min).
Average sunshine days in September
Ruovesi, Finland
- Average sunshine days in September: 14 days
The month with the most sunshine days is June (17.4 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Ruovesi, 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
Ruovesi, Finland
- Average cloud cover in September: 57
The month with the most cloud cover is January (Cloud cover 81).
The months with the least cloud cover are July and August (Cloud cover 44).
Average visibility in September
Ruovesi, Finland
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (5km).
Ruovesi, Finland
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