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
Kouvola experiences a temperature shift at the start of September, with average high-temperatures adjusting from a pleasant 20.4°C (68.7°F) in August to a refreshing 14.9°C (58.8°F). Kouvola's average low-temperature in September is measured at a chilly 8.3°C (46.9°F).Humidity
In Kouvola, the average relative humidity in September is 82%.Rainfall
In Kouvola, in September, it is raining for 13.2 days, with typically 32mm (1.26") of accumulated precipitation. In Kouvola, during the entire year, the rain falls for 131.9 days and collects up to 451mm (17.76") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 53min.On the first day of the month, sunrise is at 06:07 and sunset at 20:18. On the last day of September, in Kouvola, Finland, sunrise is at 07:18 and sunset at 18:47 EEST.
Sunshine
In Kouvola, the average sunshine in September is 7.1h.UV index
In Kouvola, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Kouvola?
What is the average humidity in September in Kouvola?
How many days does it rain in September in Kouvola?
When it does not snow in Kouvola?
Does it snow in Kouvola in September?
What is the average length of the day in September in Kouvola?
When is the sunrise / sunset in September in Kouvola?
How long on average sun shines in September in Kouvola?
What is the UV index reading in September in Kouvola?
Average temperature in September
Kouvola, Finland
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in September
Kouvola, Finland
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in September
Kouvola, Finland
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Kouvola, 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 (68%).
Average rainfall in September
Kouvola, Finland
- Average rainfall in September: 32mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Kouvola, Finland
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is February (3.5 days).
Average snowfall in September
Kouvola, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (231mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kouvola, Finland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (21.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Kouvola, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 1h and 12min).
Average sunshine days in September
Kouvola, Finland
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (17.3 days).
The month with the least sunshine days is December (5.5 days).
Average UV index in September
Kouvola, Finland
- Average UV index in September: 3
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, November and December (UV index 1).
Average cloud cover in September
Kouvola, Finland
- Average cloud cover in September: 52
The months with the most cloud cover are January and February (Cloud cover 80).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Kouvola, Finland
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February and March (6km).
Kouvola, Finland
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