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
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a moderate 14.8°C (58.6°F) in August to a frosty 9.9°C (49.8°F). During September, the average low-temperature in Palojoensuu is a wintry 3.5°C (38.3°F).Humidity
In Palojoensuu, the average relative humidity in September is 83%.Rainfall
In Palojoensuu, Finland, in September, it is raining for 13.1 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 97.3 rainfall days, and 304mm (11.97") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Palojoensuu. Throughout September, in the average 1.5 snowfall days, it receives 17mm (0.67") of snow. Throughout the year, in Palojoensuu, there are 109.5 snowfall days, and 679mm (26.73") of snow is accumulated.Daylight
In September, the average length of the day is 13h and 14min.On the first day of the month, sunrise is at 05:54 and sunset at 21:00. On the last day of September, in Palojoensuu, Finland, sunrise is at 07:39 and sunset at 18:55 EEST.
Sunshine
In Palojoensuu, the average sunshine in September is 6.1h.UV index
The average daily maximum UV index in September in Palojoensuu is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In September, the average maximum UV index of 2 translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the usual temperature for Palojoensuu in September?
What is the average humidity in September in Palojoensuu?
How much does it rain in Palojoensuu in September?
When does it start snowing in Palojoensuu?
How many hours of daylight does Palojoensuu have in September?
When are sunrise and sunset in September in Palojoensuu?
How long on average sun shines in September in Palojoensuu?
What is the UV index reading in September in Palojoensuu?
Average temperature in September
Palojoensuu, Finland
- Average high temperature in September: 9.9°C
The warmest month (with the highest average high temperature) is July (16.9°C).
The month with the lowest average high temperature is January (-9.4°C).
- Average low temperature in September: 3.5°C
The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is February (-15.5°C).
Average pressure in September
Palojoensuu, Finland
- Average pressure in September: 1010mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1003.6mbar).
Average wind speed in September
Palojoensuu, Finland
- Average wind speed in September: 14.6km/h
The windiest month (with the highest average wind speed) is March (16.4km/h).
The calmest month (with the lowest average wind speed) is April (13.1km/h).
Average humidity in September
Palojoensuu, Finland
- Average humidity in September: 83%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is June (66%).
Average rainfall in September
Palojoensuu, Finland
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is June (45mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Palojoensuu, Finland
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (1.8 days).
Average snowfall in September
Palojoensuu, Finland
- Average snowfall in September: 17mm
The month with the highest snowfall is December (120mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Palojoensuu, Finland
- Average snowfall days in September: 1.5 days
The month with the highest number of snowfall days is December (18.5 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Palojoensuu, Finland
- Average daylight in September: 13h and 1min
The month with the longest days is August (Average daylight: 17h and 30min).
The month with the shortest days is June (Average daylight: 0h and 0min).
- Average sunshine in September: 6h and 1min
The month with the most sunshine is August (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 24min).
Average sunshine days in September
Palojoensuu, Finland
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is March (15.1 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in September
Palojoensuu, Finland
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in September
Palojoensuu, Finland
- Average cloud cover in September: 60
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is July (Cloud cover 55).
Average visibility in September
Palojoensuu, Finland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (6km).
Palojoensuu, Finland
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