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
As Perinki, Finland, enters September, the average high-temperature subtly lowers from the 19.7°C (67.5°F) of August to a still refreshing 15°C (59°F). September introduces a small decrease to a nighttime average of 10.7°C (51.3°F) in Perinki.Humidity
In September, the average relative humidity is 80%.Rainfall
In Perinki, in September, it is raining for 15.4 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, in Perinki, there are 154.7 rainfall days, and 499mm (19.65") of precipitation is accumulated.Snowfall
In Perinki, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 52min.On the first day of the month, sunrise is at 06:17 and sunset at 20:25. On the last day of September, in Perinki, sunrise is at 07:26 and sunset at 18:56 EEST.
Sunshine
In Perinki, the average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Take precautions - Protection against skin and eye damage is obliged. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What are September temperatures in Perinki?
What is the average humidity in September in Perinki?
How much does it rain in Perinki in September?
When it does not snow in Perinki?
Does it snow in Perinki in September?
What is the average length of the day in September in Perinki?
When is the sunrise / sunset in September in Perinki?
How many hours of sunshine does Perinki have in September?
How high is the UV index in September in Perinki?
Average temperature in September
Perinki, Finland
- Average high temperature in September: 15°C
The warmest month (with the highest average high temperature) is July (20.3°C).
The month with the lowest average high temperature is January (-2.1°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is January (-5.7°C).
Average pressure in September
Perinki, 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 (1008.5mbar).
Average wind speed in September
Perinki, Finland
- Average wind speed in September: 16.1km/h
The windiest month (with the highest average wind speed) is December (20.1km/h).
The calmest month (with the lowest average wind speed) is May (13.2km/h).
Average humidity in September
Perinki, Finland
- Average humidity in September: 80%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Perinki, Finland
- Average rainfall in September: 42mm
The wettest months (with the highest rainfall) are July and October (52mm).
The driest month (with the least rainfall) is April (28mm).
Average rainfall days in September
Perinki, Finland
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Perinki, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (157mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Perinki, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (19 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Perinki, Finland
- Average daylight in September: 12h and 5min
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 4min
The month with the most sunshine is June (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 1h and 48min).
Average sunshine days in September
Perinki, Finland
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is May (16.5 days).
The month with the least sunshine days is December (5.6 days).
Average UV index in September
Perinki, 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 and December (UV index 1).
Average cloud cover in September
Perinki, 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
Perinki, 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).
Perinki, Finland
Weather forecast for your location
2. Allow the app to use your location