Baku weather in September
Temperature, sea 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 – July, September
What is the weather like in Baku in September?
In September, Baku is warm: daytime highs average 25 °C, and even at night it stays warm at around 21 °C. The sea averages 23.9 °C – pleasant for swimming. The sun shines for around 7 hours a day. Rain is rare: about 4 days bring 19 mm in total. It is often windy, with gusts of around 32 km/h. All in all, September is an excellent month for a holiday in Baku.
September compared
How the weather changes from August to October. Tap a month to open it.
| AugustAug | SeptemberSep | OctoberOct | |
|---|---|---|---|
| Score | 84 | 92 | 82 |
| Day | 30° | 25° | 20° |
| Night | 25° | 21° | 16° |
| Sea | 27° | 24° | 20° |
| Sun | 10 h | 7 h | 5 h |
| Rain days | 1 | 4 | 6 |
More details for September
- Daylight
- 12 h 32 min06:20 – 18:52
- UV index
- 6 · highclear sky, noon (estimate)All months
- Muggy days
- 12 daysdew point 18 °C or moreAll months
- Wind
- 32 km/haverage daily peakAll months
- Cloud cover
- 29 %on averageAll months
- Hot days
- 2 days30 °C or moreAll months
- Snow days
- 0 days1 cm or more of fresh snow
- Time zone
- UTC+4Asia/Baku
How the score comes together
- Temperatureweight 50 %100 %
- Sunshineweight 20 %62 %
- Few rainy daysweight 30 %100 %
Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.
What to pack in September
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Windproof jacket
Baku in September: quick answers
Is Baku hot in September?
Warm rather than hot: in September, daytime highs in Baku average 25 °C and nights cool to about 21 °C. On about 2 days the thermometer climbs to 30 °C or more.
Can you swim in Baku in September?
Yes. In September the sea averages 23.9 °C – pleasant for swimming.
Does it rain much in Baku in September?
Rain is rare: about 4 days bring 19 mm in total.
Baku month by month
The whole year in BakuAll destinations: AzerbaijanWhere to go in SeptemberSea temperature 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