September weather forecastJeppo, Finland
September
Weather in September
The first month of the autumn, September, is also a moderate month in Jeppo, Finland, with an average temperature ranging between max 13.3°C (55.9°F) and min 10°C (50°F).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from an enjoyable 16.9°C (62.4°F) to a still refreshing 13.3°C (55.9°F). A mild drop to an average of 10°C (50°F) marks the nights during September.Humidity
In September, the average relative humidity in Jeppo, Finland, is 79%.Rainfall
In Jeppo, in September, it is raining for 14.9 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, there are 134.8 rainfall days, and 453mm (17.83") of precipitation is accumulated.Snowfall
In Jeppo, snow does not fall in June through September.Daylight
In Jeppo, the average length of the day in September is 12h and 59min.On the first day of the month, sunrise is at 06:15 and sunset at 20:42. On the last day of September, sunrise is at 07:36 and sunset at 19:02 EEST.
Sunshine
The average sunshine in September is 7.5h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. 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
Average temperature in September
Jeppo, Finland
- Average high temperature in September: 13.3°C
The warmest month (with the highest average high temperature) is July (17.6°C).
The months with the lowest average high temperature are January and February (-3.3°C).
- Average low temperature in September: 10°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
Jeppo, Finland
- Average pressure in September: 1011.6mbar
The month with the highest atmospheric pressure is May (1014.2mbar).
The month with the lowest atmospheric pressure is December (1005.4mbar).
Average wind speed in September
Jeppo, Finland
- Average wind speed in September: 18.6km/h
The windiest month (with the highest average wind speed) is December (22.3km/h).
The calmest month (with the lowest average wind speed) is July (15.1km/h).
Average humidity in September
Jeppo, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is June (74%).
Average rainfall in September
Jeppo, Finland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is August (57mm).
The driest month (with the least rainfall) is April (23mm).
Average rainfall days in September
Jeppo, Finland
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is August (17.5 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Jeppo, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is March (147mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Jeppo, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jeppo, Finland
- Average daylight in September: 13h and 0min
The month with the longest days is June (Average daylight: 20h and 18min).
The month with the shortest days is December (Average daylight: 4h and 48min).
- Average sunshine in September: 7h and 30min
The month with the most sunshine is June (Average sunshine: 13h and 0min).
The month with the least sunshine is December (Average sunshine: 1h and 6min).
Average sunshine days in September
Jeppo, Finland
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is December (10.4 days).
Average UV index in September
Jeppo, 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
Jeppo, Finland
- Average cloud cover in September: 49
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are June and July (Cloud cover 38).
Average visibility in September
Jeppo, 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, March and April (8km).
