Temperatures in September
It's cool in September in Osmajärvi with an average temperature of 14°C. Temperatures this month range from a low of 10°C to a high of 18°C. At night, you can expect temperatures between 6°C and 11°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Osmajärvi in September. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of September
The month of September starts in Osmajärvi with cool temperatures, averaging around 16°C during the day and nights close to 10°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-September
By mid-September, the average daytime temperature drops to around 14°C, with nights close to 9°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of September
By the end of September, the average daytime temperature in Osmajärvi will be around 12°C, with nights close to 8°C. A shower might show up, but overall the weather will be dry and sunny.
Precipitation in September
In September, there is an average of 31 mm of precipitation, spread over 7 days. The wind speed is around 3 Bft, mostly coming from the South.
The average precipitation chance is 24% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Osmajärvi. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Osmajärvi in September |
London | ||
|---|---|---|---|
 Average Temperature |
14°C | 20°C | |
 High Temp |
18°C | 22°C | |
| Low Temp |
10°C | 17°C | |
 Total Precipitation |
31 mm | 44 mm | |
| Rainy Days |
7 days | 8 days | |
August
UV index
The UV index is a maximum of 4 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Temperature records for Osmajärvi in September
With 23°C, Osmajärvi hit the highest temperature in the last 10 years in September 2019. The lowest daytime temperature in this month was 2°C in 2014. The extreme night temperatures ranged from a low of -1°C to a high of 17°C.
Check out the climate of Osmajärvi for all months and discover the best travel time
Curious about the climate in other parts of Finland? Check out the weather and climate in places like Helsinki, Rovaniemi, Kuusamo, or have a look at other destinations in Finland.
Daily Temperature in September in Osmajärvi
This chart shows the average daily temperatures, both day and night, for each day in September in Osmajärvi, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in September in Osmajärvi
The chart below shows the average daily precipitation in September for Osmajärvi, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for September, you can expect around 7 days of rain in Osmajärvi.
Daily UV Index in September in Osmajärvi
This chart shows the average daily UV index in September in Osmajärvi, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Osmajärvi Over the Years
This chart shows the average temperature in September in Osmajärvi, measured in degrees Celsius, over the past years.
Total Precipitation in September in Osmajärvi Over the Years
This chart shows the average precipitation in September in Osmajärvi, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in September for Osmajärvi
Click on a specific day in September for detailed info on the typical weather on that day in Osmajärvi. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Osmajärvi
Have you been to Osmajärvi in September?
Share your weather experience in September in Osmajärvi.
Average Weather in Osmajärvi by Month
Click on a month below to see detailed weather info for Osmajärvi. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Osmajärvi for all months at once
