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
Eckerö's progression into September involves a gentle drop in the average high-temperature, from an enjoyable 17.6°C (63.7°F) in August to a moderate 14.6°C (58.3°F). Eckerö's nighttime temperatures in September settle close to daytime highs at an average of 12.4°C (54.3°F).Humidity
In September, the average relative humidity in Eckerö is 79%.Rainfall
In Eckerö, Finland, in September, during 13.3 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, there are 117 rainfall days, and 276mm (10.87") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Eckerö, the average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 06:37 and sunset at 20:45. On the last day of September, in Eckerö, sunrise is at 07:46 and sunset at 19:16 EEST.
Sunshine
In September, the average sunshine in Eckerö is 7.8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
What is the temperature in September in Eckerö?
What is the average humidity in September in Eckerö?
How much does it rain in Eckerö in September?
When it does not snow in Eckerö?
Does it snow in Eckerö in September?
What is the average length of the day in September in Eckerö?
What time are sunrise and sunset in September in Eckerö?
How many hours of sunshine does Eckerö have in September?
What is the UV index reading in September in Eckerö?
Average temperature in September
Eckerö, Finland
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is August (17.6°C).
The month with the lowest average high temperature is February (0.5°C).
- Average low temperature in September: 12.4°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (-1.5°C).
Average pressure in September
Eckerö, Finland
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.4mbar).
Average wind speed in September
Eckerö, Finland
- Average wind speed in September: 25.3km/h
The windiest month (with the highest average wind speed) is December (31.7km/h).
The calmest month (with the lowest average wind speed) is July (20km/h).
Average humidity in September
Eckerö, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (84%).
The months with the lowest relative humidity are August and October (78%).
Average rainfall in September
Eckerö, Finland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is October (32mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Eckerö, Finland
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is August (14.2 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Eckerö, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (44mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Eckerö, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Eckerö, 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 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in September
Eckerö, Finland
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is May (20.5 days).
The month with the least sunshine days is December (11 days).
Average UV index in September
Eckerö, Finland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and March (UV index 1).
Average cloud cover in September
Eckerö, Finland
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Eckerö, Finland
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
Eckerö, Finland
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