Tbilisi · Month comparison

July vs September

September ranks #1 overall vs July at #11. The grape harvest arrives — Rtveli season makes September the most culturally charged month in the Georgian year.

Tbilisi July — aerial panorama of the city with red-tiled rooftops and the Sameba Cathedral in summer haze

July

#11 of 12 months

Worth considering

The hottest and driest month — excellent for nightlife, difficult for midday sightseeing.

  • The driest month of the year at just 38mm; outdoor plans are almost never disrupted by rain in July
  • The city's rooftop and terrace scene is fully operational; outdoor dining at Tbilisi's better restaurants is genuinely pleasant in the evening heat
Tbilisi September — panoramic view of the city from the hills as autumn begins and the grape harvest season opens

September

#1 of 12 months

Best match

The grape harvest arrives — Rtveli season makes September the most culturally charged month in the Georgian year.

  • Rtveli (grape harvest) begins in Kakheti from mid-September; vineyard visits and harvest participation are available throughout the month — this is the most important event in Georgian agricultural and cultural life, 8,000 years in practice
  • Weather perfects itself: 26°C with 7.6 sunshine hours and minimal rainfall; everything the city offers is available without the July and August heat making outdoor activity uncomfortable
FactorJulySeptember
Weather score
6
10
Value score
4
6
Crowd score
4
6
Events score
4
9
Atmosphere
6
10
Avg high temp31°C26°C
Monthly rain38mm42mm
Daily sunshine9.2hrs7.6hrs

July trade-offs

  • 31°C with persistent heat; the Old Town's uphill walks and the fortress stairs are serious exertion in the midday hours — restructure the day around morning, evening, and cool interiors in the afternoon
  • International visitor peak in July; accommodation prices are at their highest for the year and the most popular wine bars and restaurants in Sololaki book up at weekends
  • The sulphur baths are somewhat less appealing in 31°C ambient heat — the contrast that makes them magical in winter is largely absent

September trade-offs

  • Kakheti gets crowded during Rtveli and accommodation in the wine region must be booked well ahead for harvest weekends — day-tripping from Tbilisi is the pragmatic approach
  • September remains a popular travel month; visitor numbers are still moderately high, particularly around the harvest festival weekends
  • Nights become noticeably cooler from mid-September, requiring a layer for evening terrace dining
Scores compare months within Tbilisi. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →