Kärdla Weather in September
Kärdla in September sees moderate daytime temperatures of 17°C (63°F) and nighttime lows of 12°C (54°F). Rainfall is fairly high this month at around 67 mm (2.6 in), so pack a rain jacket to stay dry.
Rainfall in Kärdla in September
Historically, the month has about 16 days of rain, averaging 67 mm (2.6 in) in total. Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Kärdla in September
Daytime highs in Kärdla in September reach 17°C (63°F), with nights around 12°C (54°F). Conditions are often most pleasant around the middle of the day. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.If you prefer enjoying temperate temperatures and rain-free days, July and August typically offer the best 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 Estonia, check out our Kärdla's climate page.
Kärdla Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
17°C (63°F)
Chance of Rain
53%
Precipitation
67 mm (2.6 in)
Rainy days
16 days
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kärdla 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 8°C (46°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 Kärdla in September
Browse day-by-day weather records for Kärdla spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kärdla historical weather extremes in September
Based on weather observations in Kärdla between 1995 and 2025, these are the recorded extremes during September.
- The hottest September day on record in Kärdla reached 28°C (82°F) (September 4, 2024).
- On September 30, 2013, Kärdla saw its coldest September day with temperatures maxing out at 8°C (46°F).
- Nighttime temperatures dropped to 0°C (32°F) on September 21, 1996, marking the coldest September night on record.
- Peak precipitation in September occurred on September 11, 2001, when 26 mm (1 in) of precipitation was measured.
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
pleasant
tolerable
unpleasant
poor
What to Wear in Kärdla in September
For Kärdla 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.What To Do in Kärdla 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 Kärdla's climate page.
See the full Kärdla climate overview or explore weather in Estonia.
