September weather forecastVartavan, Iran
September
Weather in September
The first month of the autumn, September, is still a warm month in Vartavan, Iran, with an average temperature varying between 27.2°C (81°F) and 15.4°C (59.7°F).Temperature
September brings a slight decrease in temperature, down from a hot 31°C (87.8°F) in August to a moderately hot 27.2°C (81°F). Vartavan, during the nights of September, experiences an average temperature drop to a refreshing 15.4°C (59.7°F).Heat index
The heat index in September is estimated at 27°C (80.6°F). Ongoing activity coupled with exposure often results in weariness and could induce heat cramps.In reference to the heat index, it's for places in shade and with a slight wind. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', offers an insight into how hot it feels when we factor in moisture content. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. With direct sunlight, be aware that it might enhance the heat sensation, raising the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
The average relative humidity in September in Vartavan, Iran, is 45%.Rainfall
The month with the least rainfall in Vartavan, Iran, is September, when the rain falls for 2.3 days and typically collects 2mm (0.08") of precipitation.Snowfall
In Vartavan, Iran, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of September in Vartavan, sunrise is at 05:40 and sunset at 18:37. On the last day of the month, sunrise is at 06:03 and sunset at 17:54 +0330.
Sunshine
The average sunshine in September in Vartavan is 11.6h.UV index
In Vartavan, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Vartavan, Iran
- Average high temperature in September: 27.2°C
The warmest month (with the highest average high temperature) is July (32.7°C).
The month with the lowest average high temperature is January (5.5°C).
- Average low temperature in September: 15.4°C
The month with the highest average low temperature is July (19.1°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).
Average pressure in September
Vartavan, Iran
- Average pressure in September: 1013.9mbar
The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is July (1008.3mbar).
Average wind speed in September
Vartavan, Iran
- Average wind speed in September: 10.8km/h
The windiest month (with the highest average wind speed) is July (12.8km/h).
The calmest month (with the lowest average wind speed) is December (9.1km/h).
Average humidity in September
Vartavan, Iran
- Average humidity in September: 45%
The month with the highest relative humidity is February (60%).
The month with the lowest relative humidity is June (39%).
Average rainfall in September
Vartavan, Iran
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is April (43mm).
The driest month (with the least rainfall) is September (2mm).
Average rainfall days in September
Vartavan, Iran
- Average rainfall days in September: 2.3 days
The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.5 days).
Average snowfall in September
Vartavan, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (128mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Vartavan, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 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
Vartavan, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 11h and 36min
The month with the most sunshine is August (Average sunshine: 12h and 18min).
The months with the least sunshine are January and December (Average sunshine: 6h and 48min).
Average sunshine days in September
Vartavan, Iran
- Average sunshine days in September: 25.5 days
The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is April (13.8 days).
Average UV index in September
Vartavan, Iran
- Average UV index in September: 5
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Vartavan, Iran
- Average cloud cover in September: 6
The month with the most cloud cover is February (Cloud cover 26).
The months with the least cloud cover are August and September (Cloud cover 6).
Average visibility in September
Vartavan, Iran
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





