September weather forecastNallıhan, Turkey
September
Weather in September
September, the first month of the autumn in Nallıhan, is still a pleasant month, with an average temperature varying between 22.4°C (72.3°F) and 10.6°C (51.1°F).Temperature
The arrival of September correlates with a minor temperature reduction, down from August's warm 26.2°C (79.2°F) to a pleasant 22.4°C (72.3°F). September in Nallıhan sees the temperature falling to a mean low of 10.6°C (51.1°F).Humidity
In September, the average relative humidity in Nallıhan is 66%.Rainfall
September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 26mm (1.02") of precipitation.Snowfall
In Nallıhan, snow does not fall in May through October.Daylight
The average length of the day in September in Nallıhan, Turkey, is 12h and 28min.On the first day of the month, sunrise is at 06:22 and sunset at 19:26. On the last day of September, sunrise is at 06:50 and sunset at 18:38 +03.
Sunshine
In September, the average sunshine is 9.3h.UV index
In September, the average daily maximum UV index in Nallıhan is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Nallıhan, Turkey
- Average high temperature in September: 22.4°C
The warmest month (with the highest average high temperature) is August (26.2°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (13.4°C).
The coldest month (with the lowest average low temperature) is January (-3.6°C).
Average pressure in September
Nallıhan, Turkey
- Average pressure in September: 1014.4mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1011mbar).
Average wind speed in September
Nallıhan, Turkey
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is January (9.5km/h).
The calmest month (with the lowest average wind speed) is October (6.9km/h).
Average humidity in September
Nallıhan, Turkey
- Average humidity in September: 66%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Nallıhan, Turkey
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is June (89mm).
The driest month (with the least rainfall) is September (26mm).
Average rainfall days in September
Nallıhan, Turkey
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
Nallıhan, Turkey
- Average snowfall in September: 0mm
The month with the highest snowfall is January (351mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Nallıhan, Turkey
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Nallıhan, Turkey
- Average daylight in September: 12h and 30min
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 18min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Nallıhan, Turkey
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in September
Nallıhan, Turkey
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Nallıhan, Turkey
- Average cloud cover in September: 21
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Nallıhan, Turkey
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).
