Bolu
Turkey
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Bolu, Turkey

The first month of the autumn, September, is also a moderately hot month in Bolu, Turkey, with average temperature fluctuating between 9.7°C (49.5°F) and 24.4°C (75.9°F).

Temperature

In Bolu, Turkey, the average high-temperature marginally drops, from a moderately hot 27.8°C (82°F) in August, to a still warm 24.4°C (75.9°F). In September, the average low-temperature is 9.7°C (49.5°F).

Rainfall

In Bolu, during 7.1 rainfall days, 27.1mm (1.1") of precipitation is typically accumulated. Throughout the year, in Bolu, there are 140.3 rainfall days, and 555mm (21.9") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

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

Sunshine

In Bolu, the average sunshine in September is 6.2h.

What is the temperature in September in Bolu?

The average high-temperature, in September, in Bolu, Turkey, is 24.4°C (75.9°F), while the average low-temperature is 9.7°C (49.5°F).

How much does it rain in Bolu in September?

In Bolu, Turkey, in September, during 7.1 rainfall days, 27.1mm (1.1") of precipitation is typically accumulated.

Does it snow in Bolu in September?

In Bolu, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Bolu?

In Bolu, Turkey, snow does not fall in May through September.

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

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

How many hours of sunshine does Bolu have in September?

The average sunshine in September is 6.2h.
Average temperature in September - Bolu, Turkey
  • Average high temperature in September: 24.4°C

The warmest month (with the highest average high temperature) is August (27.8°C).
The month with the lowest average high temperature is January (5.3°C).

  • Average low temperature in September: 9.7°C

The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).

Average rainfall in September - Bolu, Turkey
  • Average rainfall in September: 27.1mm

The wettest month (with the highest rainfall) is December (63.4mm).
The driest month (with the lowest rainfall) is August (25.2mm).

Average rainfall days in September - Bolu, Turkey
  • Average rainfall days in September: 7.1 days

Months with the highest number of rainy days are January and December (15.4 days).
The month with the lowest number of rainy days is August (5.6 days).

Average snowfall days in September - Bolu, Turkey
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (14 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Bolu, Turkey
  • Average daylight in September: 12.5h

The month with the longest days is June (Average daylight: 15.1h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 6.2h

The month with most sunshine is July (Average sunshine: 7.9h).
The month with least sunshine is December (Average sunshine: 0.9h).