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
September
Weather in September
Temperature
September's arrival corresponds with a decrease in average high-temperatures, from August's enjoyable 18°C (64.4°F) to a still refreshing 13°C (55.4°F). Kempele experiences a mean low-temperature of 7.7°C (45.9°F) during September.Humidity
In Kempele, Finland, the average relative humidity in September is 82%.Rainfall
April and September are months with the least rain in Kempele when the rain falls for 12.5 days and typically aggregates up to 25mm (0.98") of rain.Snowfall
January through May, September through December are months with snowfall. 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 Kempele, during the entire year, snow falls for 107.1 days and aggregates up to 1131mm (44.53") of snow.Daylight
In September, the average length of the day in Kempele is 13h and 4min.On the first day of the month, sunrise is at 05:59 and sunset at 20:36. On the last day of September, sunrise is at 07:26 and sunset at 18:49 EEST.
Sunshine
In Kempele, the average sunshine in September is 6.7h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: A maximum UV index of 3 in September translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Kempele?
What is the average humidity in September in Kempele?
What is the driest month in Kempele?
How much does it rain in Kempele in September?
When does it start to snow in Kempele?
What is the average length of the day in September in Kempele?
When are sunrise and sunset in September in Kempele?
How many hours of sunshine does Kempele have in September?
How high is the UV index in September in Kempele?
Average temperature in September
Kempele, Finland
- Average high temperature in September: 13°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: 7.7°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
Kempele, Finland
- Average pressure in September: 1011.4mbar
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
Kempele, Finland
- Average wind speed in September: 12.8km/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
Kempele, 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
Kempele, Finland
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (59mm).
The driest months (with the least rainfall) are April and September (25mm).
Average rainfall days in September
Kempele, Finland
- Average rainfall days in September: 12.5 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
Kempele, 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
Kempele, 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
Kempele, Finland
- Average daylight in September: 13h and 1min
The month with the longest days is June (Average daylight: 21h and 36min).
The month with the shortest days is December (Average daylight: 3h and 54min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 1h and 0min).
Average sunshine days in September
Kempele, Finland
- Average sunshine days in September: 14.7 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
Kempele, 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
Kempele, Finland
- Average cloud cover in September: 55
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
Kempele, 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).
