September weather forecastOulujoki, Finland
September
Weather in September
September, the first month of the autumn in Oulujoki, is still a refreshing month, with an average temperature ranging between max 13.1°C (55.6°F) and min 7.8°C (46°F).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's enjoyable 18°C (64.4°F) to a still refreshing 13.1°C (55.6°F). Oulujoki encounters an average low-temperature of 7.8°C (46°F) during September nights.Humidity
In Oulujoki, the average relative humidity in September is 82%.Rainfall
In Oulujoki, in September, it is raining for 13.3 days, with typically 36mm (1.42") of accumulated precipitation. In Oulujoki, Finland, during the entire year, the rain falls for 118.1 days and collects up to 445mm (17.52") of precipitation.Snowfall
January through May, September through December are months with snowfall in Oulujoki. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 2mm (0.08") of snow. In Oulujoki, during the entire year, snow falls for 107.1 days and aggregates up to 1130mm (44.49") of snow.Daylight
The average length of the day in September in Oulujoki is 13h and 4min.On the first day of September in Oulujoki, sunrise is at 05:58 and sunset at 20:36. On the last day of the month, sunrise is at 07:26 and sunset at 18:49 EEST.
Sunshine
In Oulujoki, the average sunshine in September is 6.5h.UV index
In Oulujoki, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Take precautions - Protection against sunburn is recommended. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Oulujoki, Finland
- Average high temperature in September: 13.1°C
The warmest month (with the highest average high temperature) is July (20°C).
The month with the lowest average high temperature is January (-6.1°C).
- Average low temperature in September: 7.8°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-10.6°C).
Average pressure in September
Oulujoki, Finland
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is May (1014mbar).
The month with the lowest atmospheric pressure is December (1005.4mbar).
Average wind speed in September
Oulujoki, Finland
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is November (13.7km/h).
The calmest month (with the lowest average wind speed) is July (10.6km/h).
Average humidity in September
Oulujoki, Finland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is June (69%).
Average rainfall in September
Oulujoki, Finland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Oulujoki, Finland
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Oulujoki, Finland
- Average snowfall in September: 2mm
The month with the highest snowfall is March (232mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Oulujoki, Finland
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (21.4 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Oulujoki, Finland
- Average daylight in September: 13h and 6min
The month with the longest days is June (Average daylight: 21h and 42min).
The month with the shortest days is December (Average daylight: 3h and 54min).
- Average sunshine in September: 6h and 30min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in September
Oulujoki, Finland
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is June (17 days).
The month with the least sunshine days is December (7.4 days).
Average UV index in September
Oulujoki, 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, November and December (UV index 1).
Average cloud cover in September
Oulujoki, Finland
- Average cloud cover in September: 56
The month with the most cloud cover is February (Cloud cover 77).
The month with the least cloud cover is July (Cloud cover 43).
Average visibility in September
Oulujoki, Finland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February and March (6km).
