Weather in Baku in September 2025
Average weather
Average temperature in Baku in September
Going from a maximum of +29°C during the day to a minimum of +17°C during the night, the temperature in September averages around +24°C.
The average maximum temperature goes down 42% by the end of the month, compared with the beginning of the month, from +29°C to +24°C.
Is Baku warm or cold in September?
Baku is typically warm in September.
Maximum temperatures go down compared to the previous month from +28°C to +24°C. The minimum temperature also goes down from +24°C to +20°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how September is compared to other months in Baku:
Climate in Baku in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +28°C | +24°C | +19°C | ||||
| Min. temperature | ||||||
| +15°C | +13°C | +6°C | ||||
| Max. temperature | ||||||
| +40°C | +34°C | +33°C | ||||
| Rainfall | ||||||
| 6 mm | 15 mm | 27 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 67% | 73% | 79% | ||||
| Air pressure | ||||||
| 1010 HPa | 1014 HPa | 1019 HPa | ||||
| Sunny days | ||||||
| 21 | 16 | 8 | ||||
| Cloudy days | ||||||
| 5 | 8 | 13 | ||||
| Rainy days | ||||||
| 3 | 5 | 10 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as great as in August. It’s getting colder in September. From +28°C in the day, the average maximum temperature lowers to +24°C. Prepare for more rain. Average rainfall goes from 6 mm to 15 mm. Humidity rises from 67% to 73%. The average wind speed doesn’t change much during September, staying around 4 m/s. The days becoming less sunny, going from 21 sunny days in August to 16 in September.
Next month (October) brings a further decline in the weather.
Wind
The average wind speed is 4 m/s getting up to 11 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Baku is gradually decreasing during September, going from 4 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Baku?
Climate Change over Years
The climate in Baku in September has not changed much over the last 43 years.
The average temperature was the lowest in 1993 (+15°C) and the highest in 2012 (+20°C). The driest year was 1989 with only 95 mm of rainfall, and the wettest year was 2011 with 319 mm.
FAQ
Is September a good time to visit Baku?
Can you sunbathe in Baku in September?
Is Baku rainy in September?
Is it sunny in Baku in September?
Monthly weather in Baku
Source of the data
For this page, we’ve looked at the typical weather in Baku, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.