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
September signifies a minor drop in average high-temperature, transitioning from a refreshing 19.2°C (66.6°F) in August to a mild 14.8°C (58.6°F). Lapinjärvi registers an average low-temperature of 11.2°C (52.2°F) throughout September, a modest decrease from its daytime highs.Humidity
The average relative humidity in September in Lapinjärvi is 78%.Rainfall
In Lapinjärvi, Finland, in September, it is raining for 16.4 days, with typically 50mm (1.97") of accumulated precipitation. In Lapinjärvi, during the entire year, the rain falls for 158.3 days and collects up to 569mm (22.4") of precipitation.Snowfall
In Lapinjärvi, 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 06:09 and sunset at 20:20. On the last day of September, in Lapinjärvi, sunrise is at 07:19 and sunset at 18:50 EEST.
Sunshine
The average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, an average UV index of 3 transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Lapinjärvi in September?
What is the average humidity in September in Lapinjärvi?
How many days does it rain in September in Lapinjärvi?
When it does not snow in Lapinjärvi?
Does it snow in Lapinjärvi in September?
What is the average length of the day in September in Lapinjärvi?
What time are sunrise and sunset in September in Lapinjärvi?
How many hours of sunshine does Lapinjärvi have in September?
What is the UV index intensity in September in Lapinjärvi?
Average temperature in September
Lapinjärvi, 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
Lapinjärvi, Finland
- Average pressure in September: 1013.5mbar
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
Lapinjärvi, Finland
- Average wind speed in September: 18.8km/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
Lapinjärvi, Finland
- Average humidity in September: 78%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Lapinjärvi, Finland
- Average rainfall in September: 50mm
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
Lapinjärvi, 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
Lapinjärvi, 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
Lapinjärvi, 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
Lapinjärvi, 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 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 42min).
Average sunshine days in September
Lapinjärvi, Finland
- Average sunshine days in September: 9.2 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
Lapinjärvi, 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
Lapinjärvi, 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
Lapinjärvi, 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).
