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
Ruokolahti's weather in September involves a decrease in the average high-temperature, moving down from August's pleasant 20.8°C (69.4°F) to a mild 15.1°C (59.2°F). Ruokolahti's nights in September experience an average temperature drop to a frosty 8.5°C (47.3°F).Humidity
The average relative humidity in September in Ruokolahti is 82%.Rainfall
In September, the rain falls for 13 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, in Ruokolahti, Finland, there are 122.1 rainfall days, and 422mm (16.61") of precipitation is accumulated.Snowfall
In Ruokolahti, Finland, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 55min.On the first day of the month, sunrise is at 05:57 and sunset at 20:11. On the last day of September, sunrise is at 07:09 and sunset at 18:39 EEST.
Sunshine
In Ruokolahti, the average sunshine in September is 5.8h.UV index
In September, the average daily maximum UV index in Ruokolahti is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during September leads to these instructions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the temperature in September in Ruokolahti?
What is the average humidity in September in Ruokolahti?
How many days does it rain in September in Ruokolahti?
When it does not snow in Ruokolahti?
Does it snow in Ruokolahti in September?
How many hours of daylight does Ruokolahti have in September?
When are sunrise and sunset in September in Ruokolahti?
How many hours of sunshine does Ruokolahti have in September?
What is the UV index reading in September in Ruokolahti?
Average temperature in September
Ruokolahti, Finland
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is July (22.4°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (13.1°C).
The coldest month (with the lowest average low temperature) is January (-8.9°C).
Average pressure in September
Ruokolahti, Finland
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Ruokolahti, Finland
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is December (12.1km/h).
The calmest months (with the lowest average wind speed) are July and August (9.8km/h).
Average humidity in September
Ruokolahti, Finland
- Average humidity in September: 82%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (65%).
Average rainfall in September
Ruokolahti, Finland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is August (44mm).
The driest month (with the least rainfall) is April (27mm).
Average rainfall days in September
Ruokolahti, Finland
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Ruokolahti, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (212mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Ruokolahti, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ruokolahti, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 18min).
Average sunshine days in September
Ruokolahti, Finland
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is May (17.6 days).
The month with the least sunshine days is December (9.4 days).
Average UV index in September
Ruokolahti, Finland
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Ruokolahti, Finland
- Average cloud cover in September: 58
The month with the most cloud cover is February (Cloud cover 84).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in September
Ruokolahti, 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).
Ruokolahti, Finland
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