Weather in Tartu for September 2025
In general, the average temperature in Tartu at the beginning of September is 22 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.1 °C by the end of September.
Tartu experiences moderate rainfall in September, with an average of 9 rainy days and a total precipitation of 36.5 mm.
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Tartu in September average weather
| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  21° | 2 21° | 3 22° | 4  23° | 5  24° | 6  21° | 7 22° |
| 8  23° | 9 24° | 10 23° | 11  24° | 12 23° | 13 24° | 14  22° |
| 15 21° | 16 23° | 17 23° | 18 20° | 19 22° | 20  20° | 21 21° |
| 22 19° | 23 19° | 24 20° | 25 18° | 26 19° | 27 19° | 28 20° |
| 29 16° | 30 15° |
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Temperatures trend during September in Tartu
September weather day by day
| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Patchy rain possible | 21° /11° | 1.5 mm | 5 | |
| 2 Sept. | Light rain shower | 21° /11° | 5.6 mm | 5 | |
| 3 Sept. | Light rain shower | 22° /12° | 4.1 mm | 5 | |
| 4 Sept. | Mist | 23° /11° | 0 mm | 6 | |
| 5 Sept. | Overcast | 24° /12° | 0 mm | 6 | |
| 6 Sept. | Partly cloudy | 21° /9° | 0 mm | 6 | |
| 7 Sept. | Mist | 22° /9° | 0 mm | 5 | |
| 8 Sept. | Cloudy | 23° /10° | 0 mm | 6 | |
| 9 Sept. | Cloudy | 24° /11° | 0 mm | 6 | |
| 10 Sept. | Overcast | 23° /12° | 0 mm | 6 | |
| 11 Sept. | Sunny | 24° /13° | 0.1 mm | 6 | |
| 12 Sept. | Partly cloudy | 23° /13° | 0.2 mm | 6 | |
| 13 Sept. | Partly cloudy | 24° /14° | 6.6 mm | 6 | |
| 14 Sept. | Heavy rain | 22° /12° | 7.4 mm | 5 | |
| 15 Sept. | Partly cloudy | 21° /10° | 0 mm | 6 | |
| 16 Sept. | Sunny | 23° /10° | 0 mm | 6 | |
| 17 Sept. | Patchy rain possible | 23° /9° | 0.1 mm | 6 | |
| 18 Sept. | Sunny | 20° /8° | 0 mm | 6 | |
| 19 Sept. | Light rain shower | 22° /10° | 2.4 mm | 6 | |
| 20 Sept. | Light drizzle | 20° /10° | 0.4 mm | 5 | |
| 21 Sept. | Overcast | 21° /10° | 0 mm | 5 | |
| 22 Sept. | Sunny | 19° /8° | 0 mm | 5 | |
| 23 Sept. | Light rain | 19° /8° | 0.8 mm | 5 | |
| 24 Sept. | Fog | 20° /8° | 0.1 mm | 5 | |
| 25 Sept. | Mist | 18° /9° | 0.2 mm | 4 | |
| 26 Sept. | Overcast | 19° /10° | 2.1 mm | 4 | |
| 27 Sept. | Overcast | 19° /11° | 2.9 mm | 5 | |
| 28 Sept. | Sunny | 20° /12° | 0.4 mm | 5 | |
| 29 Sept. | Overcast | 16° /8° | 0.9 mm | 4 | |
| 30 Sept. | Light drizzle | 15° /6° | 0.8 mm | 4 | |
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Guide for Tartu in September
In Tartu, Estonia, September marks the transition from late summer to early autumn, bringing noticeable changes in the weather. At the beginning of the month, the average temperature in Tartu is around 14°, with mild and pleasant conditions.
However, as the month progresses, the temperatures gradually decrease, and by the end of September, the average temperature drops to around 8°. The weather becomes cooler, and there is a noticeable crispness in the air as autumn takes hold.
In terms of precipitation, Tartu experiences a moderate amount of rainfall in September. At the start of the month, there may be occasional showers, but as September progresses, the likelihood of rain increases.
By the end of the month, Tartu may experience more frequent and heavier rainfall, signaling the shift towards the wetter autumn season.
Overall, September in Tartu offers a mix of mild temperatures at the beginning of the month, transitioning to cooler and potentially wetter conditions by the end.
Travelers visiting Tartu during this time should be prepared for varying weather patterns and may want to pack layers and waterproof clothing to accommodate the changing conditions.
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Tartu in September - FAQ
What to pack to Tartu in September?
As you prepare for your trip to Tartu in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Tartu, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Warm Clothing: Sweaters, hoodies, long pants
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Scarves: To protect you from the cold wind
- Gloves/Mittens: Essential for cold weather
- Warm Hats: Warm hats for insulation in cold weather
- Umbrellas/Raincoats: For rainy days
September rainfall patterns in Tartu
UV exposure in Tartu during September
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