Uulu Weather in September
September in Uulu averages 18°C (64°F) during the day and 8°C (46°F) at night. Quite a bit of rainfall is typical this month, with around 67 mm (2.6 in) on average. An umbrella is a good idea.
Rainfall in Uulu in September
Records from the past 30 years suggest around 17 days of rain, with 67 mm (2.6 in) average for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Uulu in September
September in Uulu sees highs of 18°C (64°F) and lows of 8°C (46°F) overnight. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 8°C (46°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Uulu in September
The month brings about 175 hours of sunlight, offering a comfortable mix of sun and overcast.If you prefer dry days with pleasant temperatures, June, 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 Uulu's climate page.
Uulu Temperature in September
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
56%
Precipitation
67 mm (2.6 in)
Rainy days
17 days
Humidity
82% *
Sunshine
175 hours *
Percentage Sunshine
37% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Uulu typically drop from around 18°C (64°F) at the start of September to approximately 13°C (55°F) by the end. Nights are cool, with lows typically ranging from 6°C (43°F) to 12°C (54°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 Uulu in September
Browse day-by-day weather records for Uulu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Uulu historical weather extremes in September
Based on 49 years of weather observations in Uulu between 1976 and 2025, these are the recorded extremes.
- Uulu recorded its highest September temperature of 28°C (82°F) on September 4, 2024.
- The lowest daytime temperature in September was 5°C (41°F), recorded on September 16, 1993.
- The lowest overnight temperature recorded in September was -3°C (27°F) (September 28, 1986).
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 Uulu in September
For Uulu 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Uulu 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 Uulu's climate page.
Temperature Rainfall Sunshine Humidity
See the full Uulu climate overview or explore weather in Estonia.
