Baku
Azerbaijan
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Baku, Azerbaijan

A view of the Baku city center in Azerbaijan with beautiful skyscrapers in the distance
A view of the Baku city center in Azerbaijan with beautiful skyscrapers in the distance
September, the first month of the autumn, in Baku, is also a moderately hot month, with average temperature ranging between max 25.6°C (78.1°F) and min 19.4°C (66.9°F).

Temperature

In Baku, the average high-temperature in September marginally drops, from 29.7°C (85.5°F) in August, to a still moderately hot 25.6°C (78.1°F). In September, the average low-temperature is 19.4°C (66.9°F).

Rainfall

In September, the rain falls for 2 days. Throughout September, 15mm (0.6") of precipitation is accumulated. In Baku, during the entire year, the rain falls for 49 days and collects up to 210mm (8.3") of precipitation.

Snowfall

Throughout the year, there are 10 snowfall days.

Sea temperature

In September, the average sea temperature in Baku is 23°C (73.4°F). For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23°C (73.4°F).

Daylight

The average length of the day in September is 12.5h.

Sunshine

In Baku, Azerbaijan, the average sunshine is 7.4h.

UV index

In September, the average daily maximum UV index in Baku is 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to the Sun's UV rays for the average person.
The daily maximum UV index of 7 in September interpret into the following advice:
Take precautions and utilize sun safety practices. Protection against the skin and eye damage is required. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of sand and water significantly increases the intensity of the Sun's UV radiation.

What is the temperature in September in Baku?

In Baku, Azerbaijan, in September, the average high-temperature is 25.6°C (78.1°F), and the average low-temperature is 19.4°C (66.9°F).

How much does it rain in Baku in September?

In Baku, Azerbaijan, in September, during 2 rainfall days, 15mm (0.6") of precipitation is typically accumulated.

How warm is the water in September in Baku?

In September, the average sea temperature in Baku is 23°C (73.4°F). Depending on a person's sensitivity to cold, with regards to sunshine, wind, and air temperature, a quick swim in 23°C (73.4°F) water may be enjoyable.

What is the average length of the day in September in Baku?

In September, the average length of the day is 12.5h.

How long on average sun shines in September in Baku?

In Baku, the average sunshine in September is 7.4h.

What is the UV index reading in September in Baku?

In Baku, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in September - Baku, Azerbaijan
  • Average high temperature in September: 25.6°C

The warmest month (with the highest average high temperature) is July (30.6°C).
The month with the lowest average high temperature is February (6.3°C).

  • Average low temperature in September: 19.4°C

The month with the highest average low temperature is August (22.9°C).
The coldest month (with the lowest average low temperature) is February (2°C).

Average rainfall in September - Baku, Azerbaijan
  • Average rainfall in September: 15mm

The wettest month (with the highest rainfall) is November (30mm).
The driest month (with the lowest rainfall) is July (2mm).

Average rainfall days in September - Baku, Azerbaijan
  • Average rainfall days in September: 2 days

Months with the highest number of rainy days are January, February, October, November and December (6 days).
The month with the lowest number of rainy days is July (1 days).

Average snowfall days in September - Baku, Azerbaijan
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4 days).
Months with the lowest number of snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average sea temperature in September - Baku, Azerbaijan
  • Average sea temperature in September: 23°C

The best month for swimming (with the highest average sea temperature) is August (25°C).
Coldest months (with the lowest average sea temperature) are February and March (8°C).

Average daylight in September / Average sunshine in September - Baku, Azerbaijan
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 7.4h

The month with most sunshine is July (Average sunshine: 10.1h).
The month with least sunshine is January (Average sunshine: 2.9h).

Average UV index in September - Baku, Azerbaijan
  • Average UV index in September: 7

Months with the highest UV index are June and July (UV index 10).
The month with the lowest UV index is December (UV index 1).