September weather forecastLirdaf, Iran
September
Weather in September
September, the first month of the autumn in Lirdaf, is still a tropical month, with an average temperature varying between 29.5°C (85.1°F) and 33.5°C (92.3°F).Temperature
Lirdaf's shift from August to September is accompanied by an average high-temperature of a still hot 33.5°C (92.3°F), a slight deviation from 34.1°C (93.4°F). Lirdaf records a mild decrease in temperature during the nights of September, averaging a warm 29.5°C (85.1°F).Heat index
September's average heat index is estimated at a blistering 41°C (105.8°F). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Know that the heat index computations account for shaded terrains and slight winds. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements of metabolic variation, physical activity, and clothing contribute to the effect of temperature on an individual. Consider the fact that direct sun exposure can influence how hot one feels, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
In Lirdaf, the average relative humidity in September is 61%.Rainfall
In Lirdaf, rain does not fall in June, July and September.Daylight
In Lirdaf, the average length of the day in September is 12h and 18min.On the first day of September, sunrise is at 05:15 and sunset at 17:53. On the last day of the month, sunrise is at 05:26 and sunset at 17:22 +0330.
Sunshine
The average sunshine in September in Lirdaf is 10h.UV index
In Lirdaf, the average daily maximum UV index in September is 8. A UV Index estimate of 8 to 10 represents a very high health risk from unsafe exposure to UV radiation for the average person.Note: In September, a daily UV index of 8 turns into the following recommendations:
Always use protective measures; unprotected skin might suffer damage in a short span. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lirdaf, Iran
- Average high temperature in September: 33.5°C
The warmest month (with the highest average high temperature) is June (35.9°C).
The month with the lowest average high temperature is January (23.2°C).
- Average low temperature in September: 29.5°C
The month with the highest average low temperature is June (31.8°C).
The coldest month (with the lowest average low temperature) is January (19.3°C).
Average pressure in September
Lirdaf, Iran
- Average pressure in September: 1004.5mbar
The month with the highest atmospheric pressure is January (1017.3mbar).
The month with the lowest atmospheric pressure is July (997.1mbar).
Average wind speed in September
Lirdaf, Iran
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is July (15.3km/h).
The calmest month (with the lowest average wind speed) is November (11.1km/h).
Average humidity in September
Lirdaf, Iran
- Average humidity in September: 61%
The month with the highest relative humidity is August (65%).
The month with the lowest relative humidity is May (46%).
Average rainfall in September
Lirdaf, Iran
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is January (23mm).
The driest months (with the least rainfall) are June, July and September (0mm).
Average rainfall days in September
Lirdaf, Iran
- Average rainfall days in September: 0.3 days
The month with the highest number of rainy days is March (5.2 days).
The month with the least rainy days is June (0.2 days).
Average daylight in September /
Average sunshine in September
Lirdaf, 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: 10h and 0min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The months with the least sunshine are January and February (Average sunshine: 7h and 24min).
Average sunshine days in September
Lirdaf, Iran
- Average sunshine days in September: 29.8 days
The month with the most sunshine days is July (30.6 days).
The month with the least sunshine days is February (23.7 days).
Average UV index in September
Lirdaf, Iran
- Average UV index in September: 8
The month with the highest UV index is May (UV index 9).
The months with the lowest UV index are January, February, November and December (UV index 6).
Average cloud cover in September
Lirdaf, Iran
- Average cloud cover in September: 1
The months with the most cloud cover are February and March (Cloud cover 12).
The month with the least cloud cover is September (Cloud cover 1).
Average visibility in September
Lirdaf, 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).
