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 heralds a minor drop in average high-temperature, sliding from August's refreshing 13.6°C (56.5°F) to a fresh 10°C (50°F). Nighttime temperature in Sevettijärvi, Finland, sees a small decrement from daytime highs, dipping to an average of 5.8°C (42.4°F) during September.Humidity
In September, the average relative humidity in Sevettijärvi is 82%.Rainfall
In Sevettijärvi, in September, during 13.7 rainfall days, 25mm (0.98") of precipitation is typically accumulated. In Sevettijärvi, during the entire year, the rain falls for 109 days and collects up to 292mm (11.5") of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Sevettijärvi. Throughout September, in the average 1.2 snowfall days, it receives 9mm (0.35") of snow. In Sevettijärvi, during the entire year, snow falls for 114.2 days and aggregates up to 652mm (25.67") of snow.Daylight
The average length of the day in September is 13h and 19min.On the first day of the month, sunrise is at 05:26 and sunset at 20:44. On the last day of September, in Sevettijärvi, sunrise is at 07:18 and sunset at 18:32 EEST.
Sunshine
The average sunshine in September in Sevettijärvi is 5.8h.UV index
The average daily maximum UV index in September in Sevettijärvi is 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 2 in September transforms into this advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sevettijärvi in September?
What is the average humidity in September in Sevettijärvi?
How many days does it rain in September in Sevettijärvi?
When does it start snowing in Sevettijärvi?
How many hours of daylight does Sevettijärvi have in September?
When is the sunrise / sunset in September in Sevettijärvi?
How long on average sun shines in September in Sevettijärvi?
How high is the UV index in September in Sevettijärvi?
Average temperature in September
Sevettijärvi, Finland
- Average high temperature in September: 10°C
The warmest month (with the highest average high temperature) is July (14.9°C).
The month with the lowest average high temperature is January (-6.3°C).
- Average low temperature in September: 5.8°C
The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is January (-10.8°C).
Average pressure in September
Sevettijärvi, Finland
- Average pressure in September: 1010.2mbar
The month with the highest atmospheric pressure is May (1014.4mbar).
The month with the lowest atmospheric pressure is December (1002.9mbar).
Average wind speed in September
Sevettijärvi, Finland
- Average wind speed in September: 17.8km/h
The windiest month (with the highest average wind speed) is March (21.2km/h).
The calmest month (with the lowest average wind speed) is August (14.7km/h).
Average humidity in September
Sevettijärvi, Finland
- Average humidity in September: 82%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is June (73%).
Average rainfall in September
Sevettijärvi, Finland
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (34mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in September
Sevettijärvi, Finland
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is August (14.5 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in September
Sevettijärvi, Finland
- Average snowfall in September: 9mm
The month with the highest snowfall is December (95mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Sevettijärvi, Finland
- Average snowfall days in September: 1.2 days
The month with the highest number of snowfall days is January (16.7 days).
The month with the least snowfall days is August (0.1 days).
Average daylight in September /
Average sunshine in September
Sevettijärvi, Finland
- Average daylight in September: 13h and 2min
The month with the longest days is August (Average daylight: 18h and 0min).
The months with the shortest days are June and December (Average daylight: 0h and 0min).
- Average sunshine in September: 5h and 5min
The month with the most sunshine is August (Average sunshine: 8h and 24min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).
Average sunshine days in September
Sevettijärvi, Finland
- Average sunshine days in September: 12 days
The months with the most sunshine days are January, July and August (12.8 days).
The month with the least sunshine days is April (7.1 days).
Average UV index in September
Sevettijärvi, Finland
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 1).
Average cloud cover in September
Sevettijärvi, Finland
- Average cloud cover in September: 57
The month with the most cloud cover is April (Cloud cover 70).
The month with the least cloud cover is July (Cloud cover 54).
Average visibility in September
Sevettijärvi, Finland
- Average visibility in September: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January and April (8km).
