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
Weather in September
Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's 19.8°C (67.6°F) to a still refreshing 14.9°C (58.8°F). In Nakkila, September nights cool down to an average of 9.7°C (49.5°F).Humidity
In Nakkila, the average relative humidity in September is 79%.Rainfall
In Nakkila, in September, it is raining for 15.9 days, with typically 44mm (1.73") of accumulated precipitation. In Nakkila, during the entire year, the rain falls for 154.3 days and collects up to 508mm (20") of precipitation.Snowfall
In Nakkila, snow does not fall in June through September.Daylight
In Nakkila, the average length of the day in September is 12h and 55min.On the first day of the month, sunrise is at 06:24 and sunset at 20:39. On the last day of September, sunrise is at 07:37 and sunset at 19:06 EEST.
Sunshine
In Nakkila, the average sunshine in September is 7.4h.UV index
In September, the average daily maximum UV index in Nakkila, Finland, 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 UV index of 3 in September transforms into this advice:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Frequently asked questions
What is the temperature in September in Nakkila?
What is the average humidity in September in Nakkila?
How many days does it rain in September in Nakkila?
When it does not snow in Nakkila?
Does it snow in Nakkila in September?
What is the average length of the day in September in Nakkila?
When is the sunrise / sunset in September in Nakkila?
How many hours of sunshine does Nakkila have in September?
What is the UV index reading in September in Nakkila?
Average temperature in September
Nakkila, Finland
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (-2.3°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-6°C).
Average pressure in September
Nakkila, Finland
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in September
Nakkila, Finland
- Average wind speed in September: 14.2km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in September
Nakkila, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in September
Nakkila, Finland
- Average rainfall in September: 44mm
The wettest month (with the highest rainfall) is July (63mm).
The driest months (with the least rainfall) are March and April (31mm).
Average rainfall days in September
Nakkila, Finland
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Nakkila, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (163mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Nakkila, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Nakkila, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in September
Nakkila, Finland
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in September
Nakkila, 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 and December (UV index 1).
Average cloud cover in September
Nakkila, Finland
- Average cloud cover in September: 47
The months with the most cloud cover are January, February and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Nakkila, Finland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (7km).
Nakkila, Finland
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