Tbilisi weather in September
Temperature, rain and sunshine in September: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in September
Excellent
Best time to visit: May – June, September – October
What is the weather like in Tbilisi in September?
In September, Tbilisi is warm: daytime highs average 26 °C, and nights cool down to about 15 °C. The sun shines for around 7 hours a day. Rain is rare: about 4 days bring 22 mm in total. All in all, September is an excellent month for a holiday in Tbilisi.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 72 | 92 | 79 |
| Day | 32° | 26° | 19° |
| Night | 20° | 15° | 9° |
| Sun | 9 h | 7 h | 5 h |
| Rain days | 4 | 4 | 8 |
More details for September
- Daylight
- 12 h 33 min06:40 – 19:12
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 0 daysdew point 18 °C or moreAll months
- Wind
- 11 km/haverage daily peakAll months
- Cloud cover
- 40 %on averageAll months
- Hot days
- 5 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snowAll months
- Time zone
- UTC+4Asia/Tbilisi
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %63 %
- Few rainy daysweight 30 %98 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- A jumper for the evenings
Tbilisi in September: quick answers
Is Tbilisi hot in September?
Warm rather than hot: in September, daytime highs in Tbilisi average 26 °C and nights cool to about 15 °C. On about 5 days the thermometer climbs to 30 °C or more.
Does it rain much in Tbilisi in September?
Rain is rare: about 4 days bring 22 mm in total.
Tbilisi month by month
The whole year in TbilisiAll destinations: GeorgiaWhere to go in September
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences