Temperatures in September
It's cool in September in Ämmänsaari with an average temperature of 12°C. Temperatures this month range from a low of 9°C to a high of 15°C. At night, you can expect temperatures between 3°C and 8°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Ämmänsaari 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 Ämmänsaari with cool temperatures, averaging around 14°C during the day and nights close to 7°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 12°C, with nights close to 6°C. The chance of precipitation is high during this period.
End of September
By the end of September, the average daytime temperature in Ämmänsaari will be around 10°C, with nights close to 5°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 117 mm of precipitation, spread over 10 days. The wind speed is around 3 Bft, mostly coming from the South.
The average precipitation chance is 33% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in September for Ämmänsaari. 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.
Ämmänsaari in September |
London | ||
|---|---|---|---|
 Average Temperature |
12°C | 20°C | |
 High Temp |
15°C | 22°C | |
| Low Temp |
9°C | 17°C | |
 Total Precipitation |
117 mm | 44 mm | |
| Rainy Days |
10 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.
Is September a good time to visit Ämmänsaari?
After some sun? Then September isn’t the best time to be in Ämmänsaari. There’s too much chance of rain this month.
Check out the climate of Ämmänsaari 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 Ämmänsaari
This chart shows the average daily temperatures, both day and night, for each day in September in Ämmänsaari, 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 Ämmänsaari
The chart below shows the average daily precipitation in September for Ämmänsaari, 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 10 days of rain in Ämmänsaari.
Daily UV Index in September in Ämmänsaari
This chart shows the average daily UV index in September in Ämmänsaari, 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 Ämmänsaari Over the Years
This chart shows the average temperature in September in Ämmänsaari, measured in degrees Celsius, over the past years.
Total Precipitation in September in Ämmänsaari Over the Years
This chart shows the average precipitation in September in Ämmänsaari, 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 Ämmänsaari
Click on a specific day in September for detailed info on the typical weather on that day in Ämmänsaari. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Ämmänsaari
Have you been to Ämmänsaari in September?
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Average Weather in Ämmänsaari by Month
Click on a month below to see detailed weather info for Ämmänsaari. 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 Ämmänsaari for all months at once
