September weather forecastUrmia, Iran
September
Weather in September
September in Urmia brings about a downturn from the summer highs into more manageable temperatures. With a hint of autumn in the air, the weather begins to take on a crisper tone. The daylight hours reduce, and the city undergoes a shift in character, from vibrant summer hues to autumnal tones. It signals the changing wardrobe requirements as the nights start to get colder. October will bring further signs of the shifting season.Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from a tropical 31°C (87.8°F) in August to a moderately hot 27.1°C (80.8°F). September nights in Urmia, Iran, showcase a dramatic shift from daytime highs to an average temperature of 11.5°C (52.7°F).Heat index
For September, the heat index is computed to be 27°C (80.6°F). Uninterrupted activity during exposure could lead to a sense of exhaustion, possibly causing heat cramps.Always consider that heat index estimations are for light winds and places in the shade. Direct sunlight might cause an increase of up to 15 Fahrenheit (8 Celsius) degrees in the heat index.
Note: The heat index, also known as 'apparent temperature' or 'feels like', unifies temperature and humidity readings to offer a comprehensive feel of warmth. Elements such as metabolic variations, being pregnant, and physical activity can impact one's weather perception. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Young ones are generally more prone to risk than adults due to their reduced ability to sweat. Their large skin surface area relative to their diminutive bodies and elevated heat production from their activities further enhance this risk.
Humidity
In September, the average relative humidity is 49%.Rainfall
In Urmia, during September, the rain falls for 2.1 days and regularly aggregates up to 4mm (0.16") of precipitation. In Urmia, during the entire year, the rain falls for 90 days and collects up to 341mm (13.43") of precipitation.Snowfall
May through September are months without snowfall in Urmia.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 06:00 and sunset at 18:58. On the last day of September, sunrise is at 06:24 and sunset at 18:14 +0330.
Sunshine
The average sunshine in September in Urmia is 9.8h.Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Urmia, Iran
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is July (31.2°C).
The month with the lowest average high temperature is January (2.6°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is July (16.6°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).
Average humidity in September
Urmia, Iran
- Average humidity in September: 49%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (48%).
Average rainfall in September
Urmia, Iran
- Average rainfall in September: 4.4mm
The wettest month (with the highest rainfall) is April (62.2mm).
The driest month (with the least rainfall) is August (2.1mm).
Average rainfall days in September
Urmia, Iran
- Average rainfall days in September: 2.1 days
The month with the highest number of rainy days is April (12.7 days).
The month with the least rainy days is August (1.7 days).
Average snowfall days in September
Urmia, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.5 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
Urmia, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).





