September weather forecastItäkeskus, Finland
September
Weather in September
September, the first month of the autumn in Itäkeskus, is also a moderate month, with an average temperature ranging between max 15°C (59°F) and min 11°C (51.8°F).Temperature
The onset of September aligns with a soft reduction in the average high-temperature, gently falling from a refreshing 19.6°C (67.3°F) in August to a mild 15°C (59°F). Itäkeskus's nighttime temperatures in September see a subtle dip to an average of 11°C (51.8°F).Humidity
The average relative humidity in September in Itäkeskus is 79%.Rainfall
In Itäkeskus, in September, it is raining for 13.3 days, with typically 32mm (1.26") of accumulated precipitation. Throughout the year, there are 144.4 rainfall days, and 463mm (18.23") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Itäkeskus.Daylight
The average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 06:15 and sunset at 20:23. On the last day of September, in Itäkeskus, sunrise is at 07:24 and sunset at 18:54 EEST.
Sunshine
In September, the average sunshine is 7.7h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Be vigilant - A duty to shield skin and eyes from injury exists. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Itäkeskus, Finland
- Average high temperature in September: 15°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-2.2°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is July (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (-5.5°C).
Average pressure in September
Itäkeskus, Finland
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.6mbar).
Average wind speed in September
Itäkeskus, Finland
- Average wind speed in September: 16.9km/h
The windiest month (with the highest average wind speed) is December (21.1km/h).
The calmest month (with the lowest average wind speed) is May (13.7km/h).
Average humidity in September
Itäkeskus, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Itäkeskus, 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 (27mm).
Average rainfall days in September
Itäkeskus, Finland
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
Itäkeskus, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (159mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Itäkeskus, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Itäkeskus, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Itäkeskus, Finland
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is May (17 days).
The month with the least sunshine days is December (5.6 days).
Average UV index in September
Itäkeskus, 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
Itäkeskus, Finland
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in September
Itäkeskus, Finland
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
