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 average high-temperature shows a slight dip in September, from August's enjoyable 19.7°C (67.5°F) to a moderate 15.3°C (59.5°F). During September nights, Vahto records an average temperature of 10.2°C (50.4°F).Humidity
The average relative humidity in September is 79%.Rainfall
In September, in Vahto, Finland, the rain falls for 13.6 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, in Vahto, there are 133.7 rainfall days, and 390mm (15.35") of precipitation is accumulated.Snowfall
In Vahto, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 53min.On the first day of the month, sunrise is at 06:25 and sunset at 20:35. On the last day of September, sunrise is at 07:35 and sunset at 19:05 EEST.
Sunshine
In Vahto, the average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September in Vahto is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during September translates into the following guidance:
Put precautions into practice - Ensuring skin and eye safety is a necessity. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Vahto in September?
What is the average humidity in September in Vahto?
How much does it rain in Vahto in September?
When it does not snow in Vahto?
Does it snow in Vahto in September?
How many hours of daylight does Vahto have in September?
What time are sunrise and sunset in September in Vahto?
How many hours of sunshine does Vahto have in September?
What is the UV index intensity in September in Vahto?
Average temperature in September
Vahto, Finland
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in September: 10.2°C
The months with the highest average low temperature are July and August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-5.6°C).
Average pressure in September
Vahto, Finland
- Average pressure in September: 1013.2mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in September
Vahto, Finland
- Average wind speed in September: 15.8km/h
The windiest month (with the highest average wind speed) is December (20.4km/h).
The calmest month (with the lowest average wind speed) is July (13.9km/h).
Average humidity in September
Vahto, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Vahto, 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 (19mm).
Average rainfall days in September
Vahto, Finland
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is July (15.1 days).
The month with the least rainy days is February (5.2 days).
Average snowfall in September
Vahto, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vahto, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vahto, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in September
Vahto, Finland
- Average sunshine days in September: 13.2 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in September
Vahto, Finland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (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
Vahto, Finland
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in September
Vahto, Finland
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are February and March (8km).
Vahto, Finland
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