September weather forecastAtan, Armenia
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Atan, Armenia, with an average temperature ranging between min 7.9°C (46.2°F) and max 18.3°C (64.9°F).Temperature
September brings a slight decrease in the average high-temperature, shifting from an agreeable 22.2°C (72°F) in August to a refreshing 18.3°C (64.9°F). September nights are marked by an average temperature drop to a chilly 7.9°C (46.2°F).Humidity
In September, the average relative humidity in Atan is 79%.Rainfall
In Atan, in September, it is raining for 16.1 days, with typically 38mm (1.5") of accumulated precipitation. In Atan, during the entire year, the rain falls for 151.2 days and collects up to 544mm (21.42") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Atan, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 06:27 and sunset at 19:33. On the last day of September, in Atan, sunrise is at 06:56 and sunset at 18:44 +04.
Sunshine
The average sunshine in September in Atan is 9h.UV index
In September, the average daily maximum UV index in Atan, Armenia, is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. 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
Atan, Armenia
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (22.2°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 7.9°C
The month with the highest average low temperature is July (10.7°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in September
Atan, Armenia
- Average pressure in September: 1015.7mbar
The month with the highest atmospheric pressure is December (1022.9mbar).
The month with the lowest atmospheric pressure is July (1011.2mbar).
Average wind speed in September
Atan, Armenia
- Average wind speed in September: 4.7km/h
The windiest month (with the highest average wind speed) is January (7.1km/h).
The calmest months (with the lowest average wind speed) are June and September (4.7km/h).
Average humidity in September
Atan, Armenia
- Average humidity in September: 79%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Atan, Armenia
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is June (107mm).
The driest month (with the least rainfall) is November (13mm).
Average rainfall days in September
Atan, Armenia
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is May (23.5 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Atan, Armenia
- Average snowfall in September: 0mm
The month with the highest snowfall is February (194mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Atan, Armenia
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Atan, Armenia
- 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Atan, Armenia
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is November (22.2 days).
The month with the least sunshine days is May (5.4 days).
Average UV index in September
Atan, Armenia
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in September
Atan, Armenia
- Average cloud cover in September: 38
The months with the most cloud cover are February and April (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Atan, Armenia
- Average visibility in September: 8km
The month with the highest visibility is December (9km).
The month with the lowest visibility is February (7km).





