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
Kypärämäki's weather in September involves a decrease in the average high-temperature, moving down from August's 19.8°C (67.6°F) to a still refreshing 13.6°C (56.5°F). An average low-temperature of 7.1°C (44.8°F) marks the month of September.Humidity
In September, the average relative humidity is 83%.Rainfall
In September, the rain falls for 13.2 days. Throughout September, 34mm (1.34") of precipitation is accumulated. In Kypärämäki, Finland, during the entire year, the rain falls for 121.2 days and collects up to 403mm (15.87") of precipitation.Snowfall
Months with snowfall in Kypärämäki, Finland, are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, there are 96 snowfall days, and 932mm (36.69") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 56min.On the first day of the month, sunrise is at 06:07 and sunset at 20:26. On the last day of September, sunrise is at 07:23 and sunset at 18:50 EEST.
Sunshine
In September, the average sunshine is 6.3h.UV index
In Kypärämäki, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in September leads to these recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Kypärämäki in September?
What is the average humidity in September in Kypärämäki?
How many days does it rain in September in Kypärämäki?
When does it start to snow in Kypärämäki?
How many hours of daylight does Kypärämäki have in September?
When are sunrise and sunset in September in Kypärämäki?
How long on average sun shines in September in Kypärämäki?
What is the UV index reading in September in Kypärämäki?
Average temperature in September
Kypärämäki, Finland
- Average high temperature in September: 13.6°C
The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-5.5°C).
- Average low temperature in September: 7.1°C
The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-9.7°C).
Average pressure in September
Kypärämäki, Finland
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).
Average wind speed in September
Kypärämäki, Finland
- Average wind speed in September: 10.9km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is July (9.6km/h).
Average humidity in September
Kypärämäki, Finland
- Average humidity in September: 83%
The months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in September
Kypärämäki, Finland
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (50mm).
The driest months (with the least rainfall) are February and March (23mm).
Average rainfall days in September
Kypärämäki, Finland
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Kypärämäki, Finland
- Average snowfall in September: 2mm
The month with the highest snowfall is December (185mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Kypärämäki, Finland
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (19.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Kypärämäki, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is December (Average sunshine: 0h and 48min).
Average sunshine days in September
Kypärämäki, Finland
- Average sunshine days in September: 14 days
The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is December (9.6 days).
Average UV index in September
Kypärämäki, 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
Kypärämäki, Finland
- Average cloud cover in September: 58
The month with the most cloud cover is January (Cloud cover 83).
The months with the least cloud cover are July and August (Cloud cover 45).
Average visibility in September
Kypärämäki, 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 and February (5km).
