September weather forecastSiirt, Turkey
September
Weather in September
The arrival of September in Siirt signals a decent respite from the intense summer heat. The general atmosphere becomes more agreeable, highlighting the autumn season's commencement. Rainfall returns to be a common occurrence, and the lingering warmth of the summer starts to retreat gradually. The declining temperatures and humidity levels begin setting the stage for the approaching cool season. October continues this trend, with further drops in temperature and increases in rainfall.Temperature
The advent of September brings a subtle shift in temperature, with the average high moving from a fiery hot 37°C (98.6°F) in August to a tropical 32.3°C (90.1°F). Siirt sees a large disparity in day to night temperatures in September, with the night temperature dropping to an average of 18.9°C (66°F).Humidity
In Siirt, the average relative humidity in September is 28%.Rainfall
In September, the rain falls for 1.7 days. Throughout September, 5mm (0.2") of precipitation is accumulated. Throughout the year, in Siirt, there are 96.5 rainfall days, and 692mm (27.24") of precipitation is accumulated.Daylight
The average length of the day in September in Siirt is 12h and 26min.On the first day of September, sunrise is at 05:42 and sunset at 18:41. On the last day of the month, sunrise is at 06:07 and sunset at 17:56 +03.
Sunshine
In September, the average sunshine is 10.2h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Siirt, Turkey
- Average high temperature in September: 32.3°C
The warmest month (with the highest average high temperature) is July (37.2°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in September: 18.9°C
The month with the highest average low temperature is July (23.6°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average humidity in September
Siirt, Turkey
- Average humidity in September: 28%
The months with the highest relative humidity are January and February (70%).
The month with the lowest relative humidity is August (23%).
Average rainfall in September
Siirt, Turkey
- Average rainfall in September: 4.7mm
The wettest month (with the highest rainfall) is April (109.4mm).
The driest month (with the least rainfall) is August (1mm).
Average rainfall days in September
Siirt, Turkey
- Average rainfall days in September: 1.7 days
The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is August (0.6 days).
Average daylight in September /
Average sunshine in September
Siirt, Turkey
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).





