September weather forecastKoria, Finland
September
Weather in September
September, the first month of the autumn in Koria, is still a mild month, with an average temperature fluctuating between 8.3°C (46.9°F) and 15°C (59°F).Temperature
In the transition to September, Koria observes a drop in the average high-temperature, moving from an agreeable 20.4°C (68.7°F) in August to a moderate 15°C (59°F). September nights in Koria experience a consistent temperature drop to a chilly 8.3°C (46.9°F).Humidity
In Koria, the average relative humidity in September is 82%.Rainfall
In Koria, Finland, in September, during 13.4 rainfall days, 34mm (1.34") of precipitation is typically accumulated. Throughout the year, in Koria, there are 132 rainfall days, and 453mm (17.83") of precipitation is accumulated.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 20:19. On the last day of September, sunrise is at 07:18 and sunset at 18:48 EEST.
Sunshine
In September, the average sunshine in Koria, Finland, is 7h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 during September translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Koria, Finland
- Average high temperature in September: 15°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
Koria, Finland
- Average pressure in September: 1013.2mbar
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
Koria, Finland
- Average wind speed in September: 11.7km/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
Koria, 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
Koria, Finland
- Average rainfall in September: 34mm
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
Koria, Finland
- Average rainfall days in September: 13.4 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
Koria, 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
Koria, 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
Koria, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in September: 7h and 0min
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 6min).
Average sunshine days in September
Koria, Finland
- Average sunshine days in September: 13.6 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
Koria, 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
Koria, 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
Koria, 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).
