Weather in September
September sees Espoo, Finland making a full swing towards autumn, with weather conditions cooling down from August. The sea temperatures drop to 15.4°C (59.7°F), signalling the transition towards the approaching cooler months. Meanwhile, the cityscape starts taking on a variety of warm hues as trees begin to change color. Despite the cooler temperatures, it's a fantastic time to appreciate the city's natural beauty, with the changing foliage offering breathtaking views.
Note: For most individuals, swimming in 15.4°C (59.7°F) is not a pleasurable activity. Breathing becomes progressively more difficult as water temperature declines below 21°C (69.8°F).
On the first day of September in Espoo, Finland, sunrise is at 06:17 and sunset at 20:25. On the last day of the month, sunrise is at 07:25 and sunset at 18:56 EEST.
[Resources]Sea temperature
In Espoo, Finland, in September, the average water temperature is 15.4°C (59.7°F).Note: For most individuals, swimming in 15.4°C (59.7°F) is not a pleasurable activity. Breathing becomes progressively more difficult as water temperature declines below 21°C (69.8°F).
Daylight
In September, the average length of the day in Espoo, Finland, is 12h and 52min.On the first day of September in Espoo, Finland, sunrise is at 06:17 and sunset at 20:25. On the last day of the month, sunrise is at 07:25 and sunset at 18:56 EEST.
Frequently asked questions
How cold is the water in September in Espoo?
In Espoo, Finland, in September, the average water temperature is 15.4°C (59.7°F). Swimming in 15.4°C (59.7°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
What is the average length of the day in September in Espoo?
The average day length in September is 12h and 52min.
When is the sunrise / sunset in September in Espoo?
In September, on the first day of the month, sunrise is at 06:17 and sunset at 20:25. On the last day of the month, sunrise is at 07:25 and sunset at 18:56 EEST.
Average sea temperature in September
Espoo, Finland
- Average sea temperature in September: 15.4°C
The best month for swimming (with the highest average sea temperature) is August (18.7°C).
The coldest month (with the lowest average sea temperature) is March (0.1°C).
Average daylight in September
Espoo, Finland
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
Espoo, Finland
Weather forecast for your location
1. Click Locate me button
2. Allow the app to use your location
2. Allow the app to use your location
