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 September begins, there is a decrease in the average high-temperature, falling from a comfortable 17.9°C (64.2°F) in August to a cool 12.4°C (54.3°F). An average nighttime temperature of 5.5°C (41.9°F) is recorded during September.Humidity
In Oijärvi, Finland, the average relative humidity in September is 86%.Rainfall
In Oijärvi, in September, it is raining for 15.5 days, with typically 45mm (1.77") of accumulated precipitation. Throughout the year, in Oijärvi, Finland, there are 134 rainfall days, and 527mm (20.75") of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall in Oijärvi. September is the first month it typically snows in Oijärvi. Throughout September, in the average 0.7 snowfall days, it receives 8mm (0.31") of snow. Throughout the year, in Oijärvi, Finland, there are 133.6 snowfall days, and 1512mm (59.53") of snow is accumulated.Daylight
In Oijärvi, Finland, the average length of the day in September is 13h and 5min.On the first day of the month, sunrise is at 05:54 and sunset at 20:37. On the last day of September, in Oijärvi, Finland, sunrise is at 07:25 and sunset at 18:47 EEST.
Sunshine
The average sunshine in September in Oijärvi is 5.7h.UV index
The average daily maximum UV index in September is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 2 translates into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Oijärvi in September?
What is the average humidity in September in Oijärvi?
How many days does it rain in September in Oijärvi?
When does it start to snow in Oijärvi?
How many hours of daylight does Oijärvi have in September?
What time are sunrise and sunset in September in Oijärvi?
How long on average sun shines in September in Oijärvi?
What is the UV index intensity in September in Oijärvi?
Average temperature in September
Oijärvi, Finland
- Average high temperature in September: 12.4°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 (-7.7°C).
- Average low temperature in September: 5.5°C
The month with the highest average low temperature is July (11°C).
The coldest month (with the lowest average low temperature) is January (-12.7°C).
Average pressure in September
Oijärvi, Finland
- Average pressure in September: 1011.2mbar
The month with the highest atmospheric pressure is May (1014.1mbar).
The month with the lowest atmospheric pressure is December (1005.7mbar).
Average wind speed in September
Oijärvi, Finland
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is February (11.7km/h).
The calmest month (with the lowest average wind speed) is July (9.5km/h).
Average humidity in September
Oijärvi, Finland
- Average humidity in September: 86%
The months with the highest relative humidity are January, February and December (96%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Oijärvi, Finland
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Oijärvi, Finland
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is August (18.6 days).
The month with the least rainy days is February (2.6 days).
Average snowfall in September
Oijärvi, Finland
- Average snowfall in September: 8mm
The month with the highest snowfall is March (284mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Oijärvi, Finland
- Average snowfall days in September: 0.7 days
The month with the highest number of snowfall days is December (23.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Oijärvi, Finland
- Average daylight in September: 13h and 1min
The month with the longest days is June (Average daylight: 22h and 36min).
The month with the shortest days is December (Average daylight: 3h and 24min).
- Average sunshine in September: 5h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in September
Oijärvi, Finland
- Average sunshine days in September: 11.2 days
The month with the most sunshine days is October (12 days).
The month with the least sunshine days is April (6.8 days).
Average UV index in September
Oijärvi, Finland
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Oijärvi, Finland
- Average cloud cover in September: 64
The months with the most cloud cover are January and December (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 47).
Average visibility in September
Oijärvi, Finland
- Average visibility in September: 7km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January, February, March, April and December (5km).
Oijärvi, Finland
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