September weather forecastÇatalca, Turkey

September

Weather in September

September, the first month of the autumn in Çatalca, is also a moderately hot month, with temperature in the range of an average low of 20.3°C (68.5°F) and an average high of 24.2°C (75.6°F).

Temperature

Çatalca's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 27.6°C (81.7°F) to a still warm 24.2°C (75.6°F). The temperature in Çatalca during September sees a subtle transition from day to night, averaging a low of 20.3°C (68.5°F).

Humidity

In Çatalca, Turkey, the average relative humidity in September is 69%.

Rainfall

In Çatalca, Turkey, in September, it is raining for 10.1 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 135.1 rainfall days, and 467mm (18.39") of precipitation is accumulated.

Snowfall

April through November are months without snowfall.

Daylight

In Çatalca, the average length of the day in September is 12h and 28min.
On the first day of September, sunrise is at 06:33 and sunset at 19:38. On the last day of the month, sunrise is at 07:02 and sunset at 18:49 +03.

Sunshine

In Çatalca, Turkey, the average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 5 during September leads to these instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

The high-temperature in Çatalca during September is 24.2°C (75.6°F) and the low-temperature is 20.3°C (68.5°F). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 30°C (86°F).

In September, the average relative humidity in Çatalca, Turkey, is 69%.

In Çatalca, Turkey, during September, the rain falls for 10.1 days and regularly aggregates up to 30mm (1.18") of precipitation.

April through November are months without snowfall in Çatalca, Turkey.

In Çatalca, Turkey, the average day length in September is 12h and 28min.

In September, on the first day of the month, sunrise is at 06:33 and sunset at 19:38. On the last day of the month, in Çatalca, sunrise is at 07:02 and sunset at 18:49 +03.

The average sunshine duration in September in Çatalca is 8.9h.

In September, the average daily maximum UV index in Çatalca, Turkey, is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Çatalca, Turkey

  • Average high temperature in September: 24.2°C

The warmest month (with the highest average high temperature) is July (27.7°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in September: 20.3°C

The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (5.4°C).

Average pressure in September
Çatalca, Turkey

  • Average pressure in September: 1015.1mbar

The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is July (1011.7mbar).

Average wind speed in September
Çatalca, Turkey

  • Average wind speed in September: 19km/h

The windiest month (with the highest average wind speed) is August (21.4km/h).
The calmest month (with the lowest average wind speed) is May (14.5km/h).

Average humidity in September
Çatalca, Turkey

  • Average humidity in September: 69%

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is July (67%).

Average rainfall in September
Çatalca, Turkey

  • Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is January (66mm).
The driest month (with the least rainfall) is August (8mm).

Average rainfall days in September
Çatalca, Turkey

  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is January (15.3 days).
The month with the least rainy days is August (3.7 days).

Average snowfall in September
Çatalca, Turkey

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (28mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Çatalca, Turkey

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.4 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average daylight in September /
Average sunshine in September
Çatalca, Turkey

  • Average daylight in September: 12h and 30min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 54min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).

Average sunshine days in September
Çatalca, Turkey

  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is February (11.3 days).

Average UV index in September
Çatalca, Turkey

  • Average UV index in September: 5

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
Çatalca, Turkey

  • Average cloud cover in September: 24

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 11).

Average visibility in September
Çatalca, Turkey

  • Average visibility in September: 10km

The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).