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
September
Weather in September
Temperature
Nurmijärvi in September demonstrates a small temperature transition, adjusting from an average high of a pleasant 20.8°C (69.4°F) in August to a refreshing 15.1°C (59.2°F). Nurmijärvi cools down to an average low-temperature of 8.2°C (46.8°F) throughout the month of September.Humidity
In Nurmijärvi, the average relative humidity in September is 83%.Rainfall
The months with the least rainfall are August and September Rain falls for 9.7 days and accumulates 18mm (0.71") of rain.Snowfall
In Nurmijärvi, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 53min.On the first day of September in Nurmijärvi, sunrise is at 06:15 and sunset at 20:25. On the last day of the month, sunrise is at 07:25 and sunset at 18:55 EEST.
Sunshine
The average sunshine in September is 7h.UV index
In Nurmijärvi, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: An average maximum UV index of 3 in September leads to these recommendations:
Undertake protective steps - Preventing sun damage is advised. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Consider carefully! The reflective quality of snow 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 the temperatures in Nurmijärvi in September?
What is the average humidity in September in Nurmijärvi?
What is the driest month in Nurmijärvi?
How much does it rain in Nurmijärvi in September?
When it does not snow in Nurmijärvi?
Does it snow in Nurmijärvi in September?
How many hours of daylight does Nurmijärvi have in September?
What time are sunrise and sunset in September in Nurmijärvi?
How many hours of sunshine does Nurmijärvi have in September?
How high is the UV index in September in Nurmijärvi?
Average temperature in September
Nurmijärvi, Finland
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in September
Nurmijärvi, Finland
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in September
Nurmijärvi, Finland
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is December (11.4km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Nurmijärvi, Finland
- Average humidity in September: 83%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
Nurmijärvi, Finland
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is December (44mm).
The driest months (with the least rainfall) are August and September (18mm).
Average rainfall days in September
Nurmijärvi, Finland
- Average rainfall days in September: 9.7 days
The month with the highest number of rainy days is November (13.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in September
Nurmijärvi, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (229mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Nurmijärvi, Finland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (22.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Nurmijärvi, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in September: 7h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 42min).
Average sunshine days in September
Nurmijärvi, Finland
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is June (20.8 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in September
Nurmijärvi, 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
Nurmijärvi, Finland
- Average cloud cover in September: 55
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Nurmijärvi, 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 and February (5km).
