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.
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
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
| Factor | July | September |
|---|---|---|
| Weather score | 6 | 10 |
| Value score | 4 | 6 |
| Crowd score | 4 | 6 |
| Events score | 4 | 9 |
| Atmosphere | 6 | 10 |
| Avg high temp | 31°C | 26°C |
| Monthly rain | 38mm | 42mm |
| Daily sunshine | 9.2hrs | 7.6hrs |
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 →