Weathermondo.com
FinlandThe weather in September in Ämmänsaari
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.
Looking for sun? September isn’t a good month to be in Ämmänsaari. There’s too much chance of rain this month.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Ämmänsaari, Finland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Rainfall amount
In September, there is an average of 117 mm of precipitation, spread over 14 days. The wind speed is around 3 Bft, mostly coming from the South.
Daily weather in September for Ämmänsaari
Click on any day in September to get detailed info about the usual weather on that day in Ämmänsaari. Check out the historical temperatures and precipitation over the past 10 years on this day.
September weather comparison
| Ämmänsaari | New York | |
|---|---|---|
| Average temperature | 12°C | 27°C |
| Max. temperature | 15°C | 31°C |
| Min. temperature | 3°C | -5°C |
| Total precipitation | 117 mm | 57 mm |
| Rainy days | 14 days | 9 days |
Start of September
The month of September starts in Ämmänsaari with cool temps, averaging around 14°C during the day and nights around 7°C.
Mid September
By mid-September, daytime temps drop to around 12°C, with nights around 6°C. There’s a high chance of precipitation during this time.
End of September
By the end of September, the average daytime temperature in Ämmänsaari is around 10°C, while nighttime temps are about 5°C. A shower might pop up, but overall, the weather will be dry and sunny.
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.
Check out the climate of Ämmänsaari for all months and discover the best travel time
Curious about the weather in other parts of Finland? Check out the climate and weather for spots like Helsinki, Rovaniemi, Kuusamo, or explore other destinations in Finland.
Temperature charts
These charts show the average temperatures in September in Ämmänsaari, Finland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in September in Ämmänsaari
Temperature in September in Ämmänsaari over the years
Precipitation charts
These charts show the average amount of precipitation in September in Ämmänsaari, Finland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in September in Ämmänsaari
Total precipitation in September in Ämmänsaari over the years
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.
Weather experiences in September in Ämmänsaari
Have you been to Ämmänsaari in September?
Share your weather experience in September in Ämmänsaari.
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.