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
Observing a mild shift, the average high-temperature during September reduces from August's comfortable 19.5°C (67.1°F) to a still refreshing 13.7°C (56.7°F). Punkaharju's nighttime temperature in September shows a minor descent, with a steady average of 8.7°C (47.7°F).Humidity
In September, the average relative humidity in Punkaharju, Finland, is 81%.Rainfall
In Punkaharju, Finland, in September, during 14.9 rainfall days, 36mm (1.42") of precipitation is typically accumulated. In Punkaharju, during the entire year, the rain falls for 120.3 days and collects up to 399mm (15.71") of precipitation.Snowfall
July through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 56min.On the first day of September, sunrise is at 05:53 and sunset at 20:10. On the last day of the month, sunrise is at 07:07 and sunset at 18:36 EEST.
Sunshine
In September, the average sunshine is 6.4h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
What are September temperatures in Punkaharju?
What is the average humidity in September in Punkaharju?
How much does it rain in Punkaharju in September?
When it does not snow in Punkaharju?
Does it snow in Punkaharju in September?
What is the average length of the day in September in Punkaharju?
What time are sunrise and sunset in September in Punkaharju?
How many hours of sunshine does Punkaharju have in September?
What is the UV index intensity in September in Punkaharju?
Average temperature in September
Punkaharju, Finland
- Average high temperature in September: 13.7°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-5.4°C).
- Average low temperature in September: 8.7°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-9.2°C).
Average pressure in September
Punkaharju, Finland
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in September
Punkaharju, Finland
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is December (16.4km/h).
The calmest month (with the lowest average wind speed) is July (11.3km/h).
Average humidity in September
Punkaharju, Finland
- Average humidity in September: 81%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in September
Punkaharju, Finland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Punkaharju, Finland
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (2.5 days).
Average snowfall in September
Punkaharju, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (164mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Punkaharju, Finland
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is February (17.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Punkaharju, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 24min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 42min).
Average sunshine days in September
Punkaharju, Finland
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is May (16.9 days).
The month with the least sunshine days is December (10.9 days).
Average UV index in September
Punkaharju, Finland
- Average UV index in September: 3
The months with the highest UV index are June and 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
Punkaharju, Finland
- Average cloud cover in September: 57
The month with the most cloud cover is February (Cloud cover 85).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Punkaharju, Finland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January and February (6km).
Punkaharju, Finland
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