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 beginning of September brings a slight decrease in the average high-temperature, transitioning from an enjoyable 17.7°C (63.9°F) in August to a moderate 13.5°C (56.3°F). Throughout the nights in September, Laihia notes an average low of 10.1°C (50.2°F), a small dip from the daytime peak.Humidity
In September, the average relative humidity is 79%.Rainfall
In Laihia, in September, during 15.6 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, in Laihia, there are 151.1 rainfall days, and 508mm (20") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Laihia.Daylight
In September, the average length of the day is 12h and 58min.On the first day of September, sunrise is at 06:19 and sunset at 20:43. On the last day of the month, sunrise is at 07:38 and sunset at 19:05 EEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the usual temperature for Laihia in September?
What is the average humidity in September in Laihia?
How much does it rain in Laihia in September?
When it does not snow in Laihia?
Does it snow in Laihia in September?
How many hours of daylight does Laihia have in September?
What time are sunrise and sunset in September in Laihia?
How long on average sun shines in September in Laihia?
How high is the UV index in September in Laihia?
Average temperature in September
Laihia, Finland
- Average high temperature in September: 13.5°C
The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is February (-2.8°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is February (-6.7°C).
Average pressure in September
Laihia, Finland
- Average pressure in September: 1011.8mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1005.6mbar).
Average wind speed in September
Laihia, Finland
- Average wind speed in September: 18km/h
The windiest month (with the highest average wind speed) is December (21.4km/h).
The calmest month (with the lowest average wind speed) is July (15km/h).
Average humidity in September
Laihia, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The months with the lowest relative humidity are May and June (74%).
Average rainfall in September
Laihia, Finland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is August (59mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Laihia, Finland
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is August (17 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Laihia, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is March (155mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Laihia, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Laihia, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 6min).
The month with the shortest days is December (Average daylight: 4h and 54min).
- Average sunshine in September: 7h and 4min
The month with the most sunshine is June (Average sunshine: 12h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 24min).
Average sunshine days in September
Laihia, Finland
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is May (15.2 days).
The month with the least sunshine days is December (6.8 days).
Average UV index in September
Laihia, 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 and December (UV index 1).
Average cloud cover in September
Laihia, Finland
- Average cloud cover in September: 47
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Laihia, Finland
- Average visibility in September: 10km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February and March (8km).
Laihia, Finland
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