September weather forecastLeksvall, Finland
September
Weather in September
September, the first month of the autumn in Leksvall, is also a moderate month, with an average temperature varying between 12.6°C (54.7°F) and 14.9°C (58.8°F).Temperature
Leksvall in September undergoes a slight reduction in the average high-temperature, shifting from August's enjoyable 18.3°C (64.9°F) to a mild 14.9°C (58.8°F). Leksvall experiences a steady nighttime temperature of 12.6°C (54.7°F) throughout the month of September.Humidity
In September, the average relative humidity is 78%.Rainfall
In Leksvall, in September, during 15.2 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, there are 145.7 rainfall days, and 352mm (13.86") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Sea temperature
In Leksvall, the average seawater temperature in September is 15.4°C (59.7°F).Note: Swimming is not a pleasant activity for most individuals in 15.4°C (59.7°F). Breathing becomes increasingly challenging to control as the water temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
In September, the average length of the day in Leksvall is 12h and 52min.On the first day of the month, sunrise is at 06:22 and sunset at 20:29. On the last day of September, sunrise is at 07:30 and sunset at 19:01 EEST.
Sunshine
In September, the average sunshine is 8h.UV index
In Leksvall, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. It's recommended to limit sun exposure when its radiation is at its peak during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leksvall, Finland
- Average high temperature in September: 14.9°C
The warmest month (with the highest average high temperature) is August (18.3°C).
The month with the lowest average high temperature is February (-0.4°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is August (15.9°C).
The coldest month (with the lowest average low temperature) is February (-3.2°C).
Average pressure in September
Leksvall, Finland
- Average pressure in September: 1013.5mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1008.2mbar).
Average wind speed in September
Leksvall, Finland
- Average wind speed in September: 24km/h
The windiest month (with the highest average wind speed) is December (31.4km/h).
The calmest month (with the lowest average wind speed) is May (18.8km/h).
Average humidity in September
Leksvall, Finland
- Average humidity in September: 78%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is August (76%).
Average rainfall in September
Leksvall, Finland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is August (46mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Leksvall, Finland
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is August (16.7 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in September
Leksvall, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (48mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Leksvall, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in September
Leksvall, Finland
- Average sea temperature in September: 15.4°C
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is March (0.2°C).
Average daylight in September /
Average sunshine in September
Leksvall, Finland
- Average daylight in September: 12h and 54min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 6min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 1h and 54min).
Average sunshine days in September
Leksvall, Finland
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is May (18.1 days).
The month with the least sunshine days is December (7.2 days).
Average UV index in September
Leksvall, Finland
- Average UV index in September: 4
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 and December (UV index 1).
Average cloud cover in September
Leksvall, Finland
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Leksvall, Finland
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).





