Orimattila Weather in September
With daytime temperatures of 16°C (61°F) and nighttime lows of 7°C (45°F), September in Orimattila brings moderate temperatures during the day. Some rainfall is to be expected during the month.
Rainfall in Orimattila in September
This month experiences about 17 days of rain according to historical data, averaging 59 mm (2.3 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Orimattila in September
September in Orimattila brings moderate temperatures, with highs of 16°C (61°F) and nights around 7°C (45°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 7°C (45°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.
Sunshine in Orimattila in September
The area enjoys a moderate level of sunlight, with around 151 hours. It's a good balance between sunny and cloudy days.Should you favor a climate that's both dry and comfortably warm, June, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
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 Orimattila's climate page.
Orimattila Temperature in September
Min Temperature
7°C (45°F)
Max Temperature
16°C (61°F)
Chance of Rain
57%
Precipitation
59 mm (2.3 in)
Rainy days
17 days
Humidity
84% *
Sunshine
151 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Orimattila typically drop from around 17°C (63°F) at the start of September to approximately 12°C (54°F) by the end. Nights are cold, with lows typically ranging from 5°C (41°F) to 10°C (50°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 Orimattila in September
Browse day-by-day weather records for Orimattila spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Orimattila historical weather extremes in September
The extremes listed below come from historical weather data collected in Orimattila from 1976 through 2025.
- The hottest September day on record in Orimattila reached 26°C (79°F) (September 5, 2024).
- On September 23, 2014, Orimattila saw its coldest September day with temperatures maxing out at 3°C (37°F).
- The coldest night in September in Orimattila was on September 30, 1993, with a minimum of -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
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unpleasant
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What to Wear in Orimattila 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Orimattila 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 Orimattila's climate page.
Temperature Rainfall Sunshine Humidity
See the full Orimattila climate overview or explore weather in Finland.
