September weather forecastNurmo, Finland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Nurmo, Finland, with an average temperature fluctuating between 14.5°C (58.1°F) and 7.2°C (45°F).Temperature
A subtle decrease in the average high-temperature marks September, falling from August's refreshing 19.6°C (67.3°F) to a mild 14.5°C (58.1°F). In September, Nurmo reports a consistent average low-temperature of 7.2°C (45°F) during the nights.Humidity
In September, the average relative humidity in Nurmo is 82%.Rainfall
In Nurmo, in September, during 15 rainfall days, 33mm (1.3") of precipitation is typically accumulated. In Nurmo, during the entire year, the rain falls for 134.7 days and collects up to 432mm (17.01") of precipitation.Snowfall
June through September are months without snowfall in Nurmo.Daylight
The average length of the day in September is 12h and 58min.On the first day of the month, sunrise is at 06:16 and sunset at 20:39. On the last day of September, sunrise is at 07:34 and sunset at 19:01 EEST.
Sunshine
In September, the average sunshine is 6.9h.UV index
In September, the average daily maximum UV index in Nurmo is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a regular UV index of 3 translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nurmo, Finland
- Average high temperature in September: 14.5°C
The warmest month (with the highest average high temperature) is July (21.4°C).
The month with the lowest average high temperature is January (-4.5°C).
- Average low temperature in September: 7.2°C
The month with the highest average low temperature is July (11.8°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).
Average pressure in September
Nurmo, Finland
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1006mbar).
Average wind speed in September
Nurmo, Finland
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is December (12.1km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity in September
Nurmo, Finland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (94%).
The months with the lowest relative humidity are May and June (67%).
Average rainfall in September
Nurmo, Finland
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is August (62mm).
The driest month (with the least rainfall) is February (20mm).
Average rainfall days in September
Nurmo, Finland
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is August (18.1 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Nurmo, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (145mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Nurmo, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (16.3 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Nurmo, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 0min).
The month with the shortest days is December (Average daylight: 5h and 0min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in September
Nurmo, Finland
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is February (15 days).
The month with the least sunshine days is November (10.4 days).
Average UV index in September
Nurmo, 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
Nurmo, Finland
- Average cloud cover in September: 56
The month with the most cloud cover is January (Cloud cover 75).
The month with the least cloud cover is June (Cloud cover 43).
Average visibility in September
Nurmo, Finland
- Average visibility in September: 8km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February and March (6km).





