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
The transition into September subtly indicates a reduction in the average high-temperature, down to a mild 14.8°C (58.6°F) from August's comfortable 19.2°C (66.6°F). Vaalimaa records a slight downturn to an average a fresh 11.2°C (52.2°F) during the nights of September.Humidity
The average relative humidity in September in Vaalimaa is 79%.Rainfall
In Vaalimaa, Finland, during September, the rain falls for 16.4 days and regularly aggregates up to 53mm (2.09") of precipitation. In Vaalimaa, during the entire year, the rain falls for 158.3 days and collects up to 571mm (22.48") of precipitation.Snowfall
In Vaalimaa, snow does not fall in June through September.Daylight
In September, the average length of the day in Vaalimaa is 12h and 53min.On the first day of September, sunrise is at 06:03 and sunset at 20:13. On the last day of the month, sunrise is at 07:13 and sunset at 18:43 EEST.
Sunshine
The average sunshine in September is 7.3h.UV index
In Vaalimaa, Finland, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, a daily UV index of 3 turns into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Vaalimaa?
What is the average humidity in September in Vaalimaa?
How many days does it rain in September in Vaalimaa?
When it does not snow in Vaalimaa?
Does it snow in Vaalimaa in September?
How many hours of daylight does Vaalimaa have in September?
When are sunrise and sunset in September in Vaalimaa?
How many hours of sunshine does Vaalimaa have in September?
What is the UV index reading in September in Vaalimaa?
Average temperature in September
Vaalimaa, Finland
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is July (19.7°C).
The month with the lowest average high temperature is February (-2.7°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is July (15.1°C).
The coldest month (with the lowest average low temperature) is February (-6.3°C).
Average pressure in September
Vaalimaa, Finland
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).
Average wind speed in September
Vaalimaa, Finland
- Average wind speed in September: 19.3km/h
The windiest month (with the highest average wind speed) is December (23.7km/h).
The calmest month (with the lowest average wind speed) is July (15.5km/h).
Average humidity in September
Vaalimaa, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Vaalimaa, Finland
- Average rainfall in September: 53mm
The wettest month (with the highest rainfall) is August (67mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Vaalimaa, Finland
- Average rainfall days in September: 16.4 days
The month with the highest number of rainy days is October (17.6 days).
The month with the least rainy days is February (5.6 days).
Average snowfall in September
Vaalimaa, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (148mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vaalimaa, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vaalimaa, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in September
Vaalimaa, Finland
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is May (15.2 days).
The month with the least sunshine days is December (6.4 days).
Average UV index in September
Vaalimaa, 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
Vaalimaa, Finland
- Average cloud cover in September: 48
The months with the most cloud cover are January and December (Cloud cover 77).
The months with the least cloud cover are July and August (Cloud cover 37).
Average visibility in September
Vaalimaa, 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 January, February, March and December (8km).
