Climate guide for Tartu, Estonia

Tartu in September

Weather, crowds & best time to visit

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September · Estonia

Best time to visit Tartu in September Weather, crowds & prices

Weather in Tartu in September

Average temperature 14°C, 40 mm of rain, about 5 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

7.7/10

Ranked #4 of 12 months

Full year for Tartu
Avg temp
14°C
Rainfall
40 mm
Humidity
83%
Days with 6h+ sun
5
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Tartu scores 7.7/10 for sightseeing and cultural travel - an above-average month (#4 of 12). Expect around 14°C, 40 mm of rain, and roughly 5 days with 6+ hours of sunshine this month.

Tartu is Estonia's university town, with a hilltop observatory, river parks and a student-run cultural calendar.

September holds up well in Tartu — 4th best month

September averages 14°C (57°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Expect 40 mm of rain — occasional showers rather than washed-out days — alongside about 5 days with 6+ hours of sunshine and 12.5 daylight hours.

It scores 7.7/10 here, 4th of 12 months, against 8.9/10 in the destination's best month.

Pack layers you can shed by midday plus one warm layer for the evening.

Figure on mid-season pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Tartu in September?
In September, Tartu averages 14°C, 40 mm of rain, and about 5 days with 6+ hours of sunshine. Its climate-comfort score is 7.7/10.
Is September a good time to visit Tartu?
September earns a 7.7/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Tartu in September?
Expect about 40 mm of rain in September. Average humidity is 83% and there are about 5 days with 6+ hours of sunshine.

Curated in Tartu

Tickets & experiences

Things to do in Tartu

Tartu, Estonia. Live activities and tours from GetYourGuide, matched to this destination.