September weather forecastHuhtiniemi, Finland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Huhtiniemi, Finland, with an average temperature varying between 15°C (59°F) and 8.3°C (46.9°F).Temperature
A change in temperatures is noted as August gives way to September, with average highs reducing from an agreeable 20.4°C (68.7°F) to a refreshing 15°C (59°F). Huhtiniemi's temperature lowers to a mean of 8.3°C (46.9°F) during the nights in September.Humidity
The average relative humidity in September is 82%.Rainfall
In Huhtiniemi, in September, during 13.4 rainfall days, 34mm (1.34") of precipitation is typically accumulated. In Huhtiniemi, during the entire year, the rain falls for 132 days and collects up to 453mm (17.83") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Huhtiniemi, the average length of the day in September is 12h and 54min.On the first day of September, sunrise is at 06:04 and sunset at 20:16. On the last day of the month, sunrise is at 07:15 and sunset at 18:44 EEST.
Sunshine
In September, the average sunshine is 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 rays for average individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Huhtiniemi, 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
Huhtiniemi, 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
Huhtiniemi, 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
Huhtiniemi, 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
Huhtiniemi, 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
Huhtiniemi, 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
Huhtiniemi, 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
Huhtiniemi, 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
Huhtiniemi, Finland
- Average daylight in September: 12h and 54min
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 42min).
- 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
Huhtiniemi, 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
Huhtiniemi, 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
Huhtiniemi, 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
Huhtiniemi, 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).
