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
A shift in the average high-temperature occurs in September, reducing from a pleasant 20.4°C (68.7°F) in August to a moderate 14.8°C (58.6°F). Killo observes an average nighttime temperature of 7.6°C (45.7°F) during September.Humidity
In September, the average relative humidity is 82%.Rainfall
In September, in Killo, the rain falls for 11.9 days. Throughout September, 21mm (0.83") of precipitation is accumulated. Throughout the year, in Killo, there are 114.9 rainfall days, and 260mm (10.24") of precipitation is accumulated.Snowfall
In Killo, snow does not fall in June through September.Daylight
The average length of the day in September in Killo, Finland, is 12h and 55min.On the first day of September, sunrise is at 06:17 and sunset at 20:32. On the last day of the month, sunrise is at 07:30 and sunset at 18:59 EEST.
Sunshine
The average sunshine in September is 6.7h.UV index
The average daily maximum UV index in September in Killo is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What are September temperatures in Killo?
What is the average humidity in September in Killo?
How much does it rain in Killo in September?
When it does not snow in Killo?
Does it snow in Killo in September?
How many hours of daylight does Killo have in September?
When is the sunrise / sunset in September in Killo?
How many hours of sunshine does Killo have in September?
How high is the UV index in September in Killo?
Average temperature in September
Killo, Finland
- Average high temperature in September: 14.8°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in September: 7.6°C
The month with the highest average low temperature is July (12.1°C).
The coldest month (with the lowest average low temperature) is January (-8.4°C).
Average pressure in September
Killo, Finland
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1007.5mbar).
Average wind speed in September
Killo, Finland
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is December (12.6km/h).
The calmest month (with the lowest average wind speed) is July (10km/h).
Average humidity in September
Killo, Finland
- Average humidity in September: 82%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).
Average rainfall in September
Killo, Finland
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is July (37mm).
The driest months (with the least rainfall) are March and April (16mm).
Average rainfall days in September
Killo, Finland
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is February (3 days).
Average snowfall in September
Killo, Finland
- Average snowfall in September: 0mm
The months with the highest snowfall are January, February and March (86mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Killo, Finland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is March (17.8 days).
The months with the least snowfall days are July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Killo, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 18min).
The month with the shortest days is December (Average daylight: 5h and 30min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in September
Killo, Finland
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is October (17.1 days).
The month with the least sunshine days is February (10.4 days).
Average UV index in September
Killo, Finland
- Average UV index in September: 3
The months with the highest UV index are June and 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
Killo, Finland
- Average cloud cover in September: 55
The month with the most cloud cover is February (Cloud cover 79).
The months with the least cloud cover are July and August (Cloud cover 44).
Average visibility in September
Killo, Finland
- Average visibility in September: 8km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January, February and March (6km).
Killo, Finland
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