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's arrival signals a moderate reduction in the average high-temperature, easing from a comfortable 19.2°C (66.6°F) in August to a mild 15.1°C (59.2°F). Snappertuna's average temperature during the nights of September is recorded at a fresh 11.7°C (53.1°F).Humidity
In Snappertuna, the average relative humidity in September is 79%.Rainfall
In September, in Snappertuna, the rain falls for 16.9 days. Throughout September, 56mm (2.2") of precipitation is accumulated. Throughout the year, there are 165.8 rainfall days, and 570mm (22.44") of precipitation is accumulated.Snowfall
In Snappertuna, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 52min.On the first day of the month, sunrise is at 06:21 and sunset at 20:28. On the last day of September, in Snappertuna, sunrise is at 07:29 and sunset at 19:00 EEST.
Sunshine
The average sunshine in September is 7.5h.UV index
In Snappertuna, Finland, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Snappertuna?
What is the average humidity in September in Snappertuna?
How many days does it rain in September in Snappertuna?
When it does not snow in Snappertuna?
Does it snow in Snappertuna in September?
What is the average length of the day in September in Snappertuna?
What time are sunrise and sunset in September in Snappertuna?
How many hours of sunshine does Snappertuna have in September?
What is the UV index reading in September in Snappertuna?
Average temperature in September
Snappertuna, Finland
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).
Average pressure in September
Snappertuna, Finland
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in September
Snappertuna, Finland
- Average wind speed in September: 18.8km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is May (14.9km/h).
Average humidity in September
Snappertuna, Finland
- Average humidity in September: 79%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (74%).
Average rainfall in September
Snappertuna, Finland
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Snappertuna, Finland
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Snappertuna, Finland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (136mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Snappertuna, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Snappertuna, Finland
- Average daylight in September: 12h and 5min
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 0min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in September
Snappertuna, Finland
- Average sunshine days in September: 9.8 days
The month with the most sunshine days is May (15.4 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in September
Snappertuna, Finland
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Snappertuna, Finland
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in September
Snappertuna, 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 December (8km).
