Lovisa Weather in September
September in Lovisa brings moderate temperatures, with daytime highs of 16°C (61°F) and nights around 9°C (48°F). Quite a bit of rainfall is expected, around 65 mm (2.6 in), so pack an umbrella.
Rainfall in Lovisa in September
Analyzing past climate data, one can expect approximately 15 days of rain, averaging 65 mm (2.6 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Lovisa in September
In September, Lovisa gets moderate temperatures, with highs of 16°C (61°F). Nights cool to around 9°C (48°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. Nights fall to 9°C (48°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.
Sunshine in Lovisa in September
The area experiences a moderate amount of sunshine, with approximately 151 hours of sunlight expected. This means a decent mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Lovisa.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Lovisa's climate page.
Lovisa Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
16°C (61°F)
Chance of Rain
51%
Precipitation
65 mm (2.6 in)
Rainy days
15 days
Humidity
84% *
Sunshine
151 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lovisa typically drop from around 17°C (63°F) at the start of September to approximately 12°C (54°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 11°C (52°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Lovisa in September
Browse day-by-day weather records for Lovisa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lovisa historical weather extremes in September
The extremes listed below come from historical weather data collected in Lovisa from 1976 through 2025.
- The warmest day in September was on September 3, 2002, with a maximum of 25°C (77°F).
- The coldest September day was on September 26, 1986, with a maximum of 5°C (41°F).
- Lovisa registered its coldest September night on September 30, 1993, with temperatures dropping to -6°C (21°F).
Best Places in Finland in September
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Lovisa in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Lovisa in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Lovisa's climate page.
Temperature Rainfall Sunshine Humidity
See the full Lovisa climate overview or explore weather in Finland.
