Orissaare Weather in September
September in Orissaare averages 17°C (63°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 62 mm (2.4 in) on average. An umbrella is a good idea.
Rainfall in Orissaare in September
You can expect rain on around 16 days based on historical patterns, with 62 mm (2.4 in) average for the month. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in Orissaare in September
September in Orissaare brings typical temperatures with highs around 17°C (63°F) and lows of 11°C (52°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Orissaare in September
The area experiences a moderate amount of sunshine, with approximately 144 hours of sunlight expected. This means a decent mix of sun and overcast.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Orissaare.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Estonia, check out our Orissaare's climate page.
Orissaare Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
17°C (63°F)
Chance of Rain
54%
Precipitation
62 mm (2.4 in)
Rainy days
16 days
Humidity
82% *
Sunshine
144 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Orissaare typically drop from around 17°C (63°F) at the start of September to approximately 13°C (55°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 13°C (55°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 Orissaare in September
Browse day-by-day weather records for Orissaare spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Orissaare historical weather extremes in September
Based on weather observations in Orissaare between 1976 and 2025, these are the recorded extremes during September.
- On September 4, 2024, temperatures climbed to 27°C (81°F), marking the warmest September day on record.
- The lowest daytime temperature in September was 6°C (43°F), recorded on September 27, 1986.
- Orissaare registered its coldest September night on September 30, 1993, with temperatures dropping to -2°C (28°F).
Best Places in Estonia in September
Find out more about the weather in Estonia and which places have the best travel conditions in this month. See all of Estonia in September →
perfect weather
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tolerable
unpleasant
poor
What to Wear in Orissaare in September
For Orissaare in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Orissaare 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 Estonia, check out our Orissaare's climate page.
Temperature Rainfall Sunshine Humidity
See the full Orissaare climate overview or explore weather in Estonia.
