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 signals a slight drop in average high-temperature, sliding from August's enjoyable 16.7°C (62.1°F) to a fresh 12.3°C (54.1°F). Aapajärvi encounters a negligible difference from daytime peaks throughout the September nights, with a low-temperature average of 7.8°C (46°F).Humidity
In Aapajärvi, Finland, the average relative humidity in September is 82%.Rainfall
In Aapajärvi, Finland, in September, during 10.6 rainfall days, 30mm (1.18") of precipitation is typically accumulated. In Aapajärvi, during the entire year, the rain falls for 95 days and collects up to 351mm (13.82") of precipitation.Snowfall
Months with snowfall in Aapajärvi are January through June, September through December. September is the first month it typically snows in Aapajärvi, Finland. Throughout September, in the average 0.2 snowfall days, it receives 1mm (0.04") of snow. In Aapajärvi, during the entire year, snow falls for 89.7 days and aggregates up to 919mm (36.18") of snow.Daylight
The average length of the day in September is 13h and 7min.On the first day of September in Aapajärvi, sunrise is at 06:00 and sunset at 20:46. On the last day of the month, sunrise is at 07:32 and sunset at 18:53 EEST.
Sunshine
The average sunshine in September in Aapajärvi is 6.9h.UV index
In Aapajärvi, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Aapajärvi in September?
What is the average humidity in September in Aapajärvi?
How many days does it rain in September in Aapajärvi?
When does it start to snow in Aapajärvi?
What is the average length of the day in September in Aapajärvi?
What time are sunrise and sunset in September in Aapajärvi?
How many hours of sunshine does Aapajärvi have in September?
What is the UV index intensity in September in Aapajärvi?
Average temperature in September
Aapajärvi, Finland
- Average high temperature in September: 12.3°C
The warmest month (with the highest average high temperature) is July (18.3°C).
The month with the lowest average high temperature is January (-6.3°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 (-10.9°C).
Average pressure in September
Aapajärvi, Finland
- Average pressure in September: 1010.7mbar
The month with the highest atmospheric pressure is May (1013.9mbar).
The month with the lowest atmospheric pressure is December (1004.9mbar).
Average wind speed in September
Aapajärvi, Finland
- Average wind speed in September: 15.7km/h
The windiest months (with the highest average wind speed) are November and December (16.3km/h).
The calmest month (with the lowest average wind speed) is April (12km/h).
Average humidity in September
Aapajärvi, Finland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (70%).
Average rainfall in September
Aapajärvi, Finland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is December (42mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Aapajärvi, Finland
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is July (11.8 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Aapajärvi, Finland
- Average snowfall in September: 1mm
The month with the highest snowfall is March (203mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Aapajärvi, Finland
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Aapajärvi, Finland
- Average daylight in September: 13h and 1min
The month with the longest days is July (Average daylight: 20h and 12min).
The month with the shortest days is December (Average daylight: 3h and 6min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).
Average sunshine days in September
Aapajärvi, Finland
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is June (20.8 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in September
Aapajärvi, 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
Aapajärvi, Finland
- Average cloud cover in September: 51
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 40).
Average visibility in September
Aapajärvi, Finland
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The month with the lowest visibility is January (6km).
