Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September is marked by a subtle drop in average high-temperatures, transitioning from a tropical 30°C (86°F) in August to a warm 25.7°C (78.3°F). Keçiören, in September, experiences an average temperature of 14.3°C (57.7°F) at night.Humidity
The average relative humidity in September is 42%.Rainfall
The months with the least rainfall are July through September Rain falls for 4.6 days and accumulates 8mm (0.31") of rain.Snowfall
In Keçiören, snow does not fall in May through November.Daylight
The average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 06:16 and sunset at 19:20. On the last day of the month, sunrise is at 06:44 and sunset at 18:32 +03.
Sunshine
In Keçiören, the average sunshine in September is 9.8h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How long on average sun shines in September in Keçiören?
What is the UV index intensity in September?
Average temperature in September
Keçiören, Turkey
- Average high temperature in September: 25.7°C
The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (3.7°C).
- Average low temperature in September: 14.3°C
The month with the highest average low temperature is August (17.6°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in September
Keçiören, Turkey
- Average pressure in September: 1014.2mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is July (1010.7mbar).
Average wind speed in September
Keçiören, Turkey
- Average wind speed in September: 9.3km/h
The windiest month (with the highest average wind speed) is July (10.8km/h).
The calmest month (with the lowest average wind speed) is November (6.9km/h).
Average humidity in September
Keçiören, Turkey
- Average humidity in September: 42%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is August (41%).
Average rainfall in September
Keçiören, Turkey
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is January (36mm).
The driest months (with the least rainfall) are July, August and September (8mm).
Average rainfall days in September
Keçiören, Turkey
- Average rainfall days in September: 4.6 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is July (3.9 days).
Average snowfall in September
Keçiören, Turkey
- Average snowfall in September: 0mm
The month with the highest snowfall is January (105mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Keçiören, Turkey
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Keçiören, Turkey
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 12min).
Average sunshine days in September
Keçiören, Turkey
- Average sunshine days in September: 24.3 days
The month with the most sunshine days is August (24.8 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in September
Keçiören, 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, November and December (UV index 2).
Average cloud cover in September
Keçiören, Turkey
- Average cloud cover in September: 12
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Keçiören, 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).
