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
September witnesses a gentle descent in average high-temperature, descending from August's enjoyable 17.5°C (63.5°F) to a moderate 13.3°C (55.9°F). September notes an average low temperature of 9.6°C (49.3°F) in Öja, Finland, subtly down from the daytime highs.Humidity
The average relative humidity in September in Öja, Finland, is 81%.Rainfall
In September, the rain falls for 13.5 days. Throughout September, 33mm (1.3") of precipitation is accumulated. Throughout the year, there are 120 rainfall days, and 295mm (11.61") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 13h and 1min.On the first day of the month, sunrise is at 06:13 and sunset at 20:42. On the last day of September, sunrise is at 07:35 and sunset at 19:00 EEST.
Sunshine
In September, the average sunshine is 7.2h.UV index
In Öja, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 in September translates into this advice:
Exercise prevention - Warding off sunburn is urged. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What are the temperatures in Öja in September?
What is the average humidity in September in Öja?
How many days does it rain in September in Öja?
When it does not snow in Öja?
Does it snow in Öja in September?
What is the average length of the day in September in Öja?
When are sunrise and sunset in September in Öja?
How many hours of sunshine does Öja have in September?
What is the UV index intensity in September in Öja?
Average temperature in September
Öja, Finland
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is July (12.9°C).
The coldest months (with the lowest average low temperature) are January and February (-7.3°C).
Average pressure in September
Öja, Finland
- Average pressure in September: 1011.4mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.5mbar).
Average wind speed in September
Öja, Finland
- Average wind speed in September: 16.8km/h
The windiest month (with the highest average wind speed) is December (19.2km/h).
The calmest month (with the lowest average wind speed) is July (13.2km/h).
Average humidity in September
Öja, Finland
- Average humidity in September: 81%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is June (72%).
Average rainfall in September
Öja, Finland
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Öja, Finland
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Öja, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (87mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Öja, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Öja, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 36min).
The month with the shortest days is December (Average daylight: 4h and 36min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in September
Öja, Finland
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is May (17.5 days).
The month with the least sunshine days is December (10.5 days).
Average UV index in September
Öja, 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, November and December (UV index 1).
Average cloud cover in September
Öja, Finland
- Average cloud cover in September: 50
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is June (Cloud cover 38).
Average visibility in September
Öja, 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 April (8km).
Öja, Finland
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