Climate guide for Tbilisi, Georgia

Tbilisi in September

Weather, crowds & best time to visit

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September · Georgia

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

Weather in Tbilisi in September

Average temperature 19°C, 68 mm of rain, about 26 days with 6+ hours of sunshine and 65% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

9.0/10

Ranked #2 of 12 months

Full year for Tbilisi
Avg temp
19°C
Rainfall
68 mm
Humidity
65%
Days with 6h+ sun
26
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Tbilisi scores 9.0/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 19°C, 68 mm of rain, and roughly 26 days with 6+ hours of sunshine this month.

Tbilisi's sulfur bath domes, Narikala fortress walls, and carved wooden balconies sit above the Mtkvari river.

September is one of the strongest months in Tbilisi (2nd)

September averages 19°C (67°F) — pleasant for mornings and evenings on foot in the city, with a midday break when the sun is strongest.

Rainfall runs 68 mm, so plan one flexible day in three; you still get about 26 days with 6+ hours of sunshine and 12.5 hours of daylight.

A 9/10 puts this among the year's best months in Tbilisi (2nd of 12); only July scores higher, at 9.2/10.

Pack light clothing, a hat and real sun protection, a packable rain layer.

Plan for 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 Tbilisi in September?
In September, Tbilisi averages 19°C, 68 mm of rain, and about 26 days with 6+ hours of sunshine. Its climate-comfort score is 9.0/10.
Is September a good time to visit Tbilisi?
September earns a 9.0/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Tbilisi in September?
Expect about 68 mm of rain in September. Average humidity is 65% and there are about 26 days with 6+ hours of sunshine.

Curated in Tbilisi

Tickets & experiences

Things to do in Tbilisi

Tbilisi, Georgia. Live activities and tours from GetYourGuide, matched to this destination.