Tbilisi · Month comparison

September vs October

September ranks #1 overall vs October at #2. The grape harvest arrives — Rtveli season makes September the most culturally charged month in the Georgian year.

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
Tbilisi October — Narikala Fortress overlooking the Old Town in autumn colours during Tbilisoba season

October

#2 of 12 months

Best match

Tbilisoba — the city's biggest celebration, autumn colours, and the year's finest atmosphere.

  • ↑Tbilisoba festival (early October) is Tbilisi's biggest annual celebration: music, crafts, dancing, and food across the Old Town, celebrating the city's founding — the atmosphere is genuinely local and festive rather than staged for tourists
  • ↑Rtveli continues into October in higher-altitude vineyards; the combination of the harvest season and Tbilisoba makes October the most culturally rich month in the Georgian calendar
FactorSeptemberOctober
Weather score
10
9
Value score
6
6
Crowd score
6
6
Events score
9
10
Atmosphere
10
10
Avg high temp26°C19°C
Monthly rain42mm48mm
Daily sunshine7.6hrs5.8hrs

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

October trade-offs

  • ↓Tbilisoba weekend brings significant domestic Georgian visitors to the city; accommodation books up early for the festival weekend and transport within the Old Town is restricted
  • ↓Rainfall increases back to 48mm after the dry summer; October can bring grey spells between the clear autumn days
  • ↓Evenings cool sharply; outdoor terrace dining requires a jacket by mid-month and the rooftop bar season is drawing to a close
See all 12 months for Tbilisi →September in detail →October in detail →
Scores compare months within Tbilisi. Climate data: Open Meteo ERA5 30-year normals (1991–2020). Methodology →