September weather forecastBirdaf, Iran
September
Weather in September
The first month of the autumn, September, is also a hot month in Birdaf, Iran, with an average temperature varying between 27.7°C (81.9°F) and 32.3°C (90.1°F).Temperature
September's onset brings an average high-temperature of a still hot 32.3°C (90.1°F), nearly the same as August. Birdaf registers a gentle descent to an average nighttime low of 27.7°C (81.9°F) in September from its daytime highs.Heat index
The heat index value for September is calculated to be an extremely hot 40°C (104°F). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Heat index data is primarily for areas with shade and subjected to light winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the result of factoring in humidity to the air temperature, indicating perceived warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
In Birdaf, the average relative humidity in September is 67%.Rainfall
May and September are months without rainfall.Daylight
In September, the average length of the day is 12h and 18min.On the first day of September, sunrise is at 05:11 and sunset at 17:49. On the last day of the month, sunrise is at 05:22 and sunset at 17:18 +0330.
Sunshine
In Birdaf, the average sunshine in September is 9.8h.UV index
The months with the highest UV index are April through September, with an average maximum UV index of 8. A UV Index reading of 8 to 10 represents a very high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 8 during September leads to these instructions:
Ensure precautions are always in place. The risk to skin and eyes is high without them. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Birdaf, Iran
- Average high temperature in September: 32.3°C
The warmest month (with the highest average high temperature) is May (35.6°C).
The month with the lowest average high temperature is January (23.2°C).
- Average low temperature in September: 27.7°C
The month with the highest average low temperature is June (30.3°C).
The coldest month (with the lowest average low temperature) is January (18.5°C).
Average pressure in September
Birdaf, Iran
- Average pressure in September: 1005.1mbar
The month with the highest atmospheric pressure is January (1017.1mbar).
The month with the lowest atmospheric pressure is July (998.1mbar).
Average wind speed in September
Birdaf, Iran
- Average wind speed in September: 12.6km/h
The windiest month (with the highest average wind speed) is May (15.9km/h).
The calmest month (with the lowest average wind speed) is December (10.3km/h).
Average humidity in September
Birdaf, Iran
- Average humidity in September: 67%
The month with the highest relative humidity is August (71%).
The month with the lowest relative humidity is December (46%).
Average rainfall in September
Birdaf, Iran
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is January (14mm).
The driest months (with the least rainfall) are May and September (0mm).
Average rainfall days in September
Birdaf, Iran
- Average rainfall days in September: 0.5 days
The month with the highest number of rainy days is January (3.6 days).
The month with the least rainy days is May (0.2 days).
Average daylight in September /
Average sunshine in September
Birdaf, Iran
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 24min).
Average sunshine days in September
Birdaf, Iran
- Average sunshine days in September: 29.5 days
The month with the most sunshine days is May (30.8 days).
The month with the least sunshine days is February (24.3 days).
Average UV index in September
Birdaf, Iran
- Average UV index in September: 8
The months with the highest UV index are April, May, June, July, August and September (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in September
Birdaf, Iran
- Average cloud cover in September: 6
The months with the most cloud cover are July and August (Cloud cover 16).
The month with the least cloud cover is October (Cloud cover 3).
Average visibility in September
Birdaf, 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).
