September weather forecastDian, Armenia
September
Weather in September
The first month of the autumn, September, is still a warm month in Dian, Armenia, with an average temperature fluctuating between 25.6°C (78.1°F) and 12.7°C (54.9°F).Temperature
September brings a drop in Dian's average high-temperature, falling from a tropical 30.9°C (87.6°F) in August to a warm 25.6°C (78.1°F). Despite higher daytime temperatures, nighttime averages fall to a fresh 12.7°C (54.9°F) in September.Humidity
In September, the average relative humidity is 48%.Rainfall
In Dian, Armenia, in September, it is raining for 10.2 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 150.7 rainfall days, and 372mm (14.65") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day in Dian is 12h and 28min.On the first day of the month, sunrise is at 06:31 and sunset at 19:35. On the last day of September, in Dian, sunrise is at 06:59 and sunset at 18:47 +04.
Sunshine
In Dian, the average sunshine in September is 9.8h.UV index
In Dian, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Be vigilant - Preventing sunburn is recommended. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dian, Armenia
- Average high temperature in September: 25.6°C
The warmest month (with the highest average high temperature) is July (31.3°C).
The month with the lowest average high temperature is January (2°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is July (17.1°C).
The coldest month (with the lowest average low temperature) is January (-6.3°C).
Average pressure in September
Dian, Armenia
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is December (1023.4mbar).
The month with the lowest atmospheric pressure is July (1010.6mbar).
Average wind speed in September
Dian, Armenia
- Average wind speed in September: 6.9km/h
The windiest months (with the highest average wind speed) are July and August (8km/h).
The calmest months (with the lowest average wind speed) are November and December (5.3km/h).
Average humidity in September
Dian, Armenia
- Average humidity in September: 48%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is August (46%).
Average rainfall in September
Dian, Armenia
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is May (58mm).
The driest month (with the least rainfall) is November (12mm).
Average rainfall days in September
Dian, Armenia
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (20.9 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
Dian, Armenia
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dian, Armenia
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (8.1 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in September /
Average sunshine in September
Dian, Armenia
- 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 48min
The month with the most sunshine is June (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in September
Dian, Armenia
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is May (4.3 days).
Average UV index in September
Dian, Armenia
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Dian, Armenia
- Average cloud cover in September: 10
The month with the most cloud cover is January (Cloud cover 29).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Dian, Armenia
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
