Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Rostam Rud's shift into September sets the average high-temperature at a warm 28.6°C (83.5°F), a figure that deviates only slightly from August's 31.3°C (88.3°F). September brings with it a nighttime average temperature of 19.1°C (66.4°F) in Rostam Rud.Heat index
The average heat index in September is estimated at a tropical 31°C (87.8°F). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.Heat index specifics point out values are for conditions of shade and a slight breeze. Direct sunlight exposure may result in a rise of the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
September and November, with an average relative humidity of 67%, are the most humid months.Rainfall
In Rostam Rud, Iran, in September, during 7.4 rainfall days, 11mm (0.43") of precipitation is typically accumulated. Throughout the year, there are 103.7 rainfall days, and 326mm (12.83") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Rostam Rud, sunrise is at 05:33 and sunset at 18:29. On the last day of the month, sunrise is at 05:56 and sunset at 17:46 +0330.
Sunshine
In September, the average sunshine in Rostam Rud is 10.5h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 6 suggests this advice:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
Is it hot in Rostam Rud during September?
What are the most humid months in Rostam Rud?
What is the average humidity in September in Rostam Rud?
How many days does it rain in September in Rostam Rud?
When it does not snow in Rostam Rud?
How many hours of daylight does Rostam Rud have in September?
When is the sunrise / sunset in September in Rostam Rud?
How many hours of sunshine does Rostam Rud have in September?
How high is the UV index in September in Rostam Rud?
Average temperature in September
Rostam Rud, Iran
- Average high temperature in September: 28.6°C
The warmest months (with the highest average high temperature) are July and August (31.3°C).
The months with the lowest average high temperature are January and February (12.8°C).
- Average low temperature in September: 19.1°C
The month with the highest average low temperature is July (21.7°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in September
Rostam Rud, Iran
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is July (1008mbar).
Average wind speed in September
Rostam Rud, Iran
- Average wind speed in September: 7.9km/h
The windiest months (with the highest average wind speed) are March, April and July (8.5km/h).
The calmest months (with the lowest average wind speed) are November and December (7.1km/h).
Average humidity in September
Rostam Rud, Iran
- Average humidity in September: 67%
The months with the highest relative humidity are September and November (67%).
The month with the lowest relative humidity is May (58%).
Average rainfall in September
Rostam Rud, Iran
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is October (56mm).
The driest month (with the least rainfall) is June (7mm).
Average rainfall days in September
Rostam Rud, Iran
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is July (5 days).
Average snowfall in September
Rostam Rud, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Rostam Rud, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rostam Rud, Iran
- Average daylight in September: 12h and 2min
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: 10h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in September
Rostam Rud, Iran
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in September
Rostam Rud, Iran
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, March and December (UV index 3).
Average cloud cover in September
Rostam Rud, Iran
- Average cloud cover in September: 18
The month with the most cloud cover is March (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in September
Rostam Rud, Iran
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and December (10km).
The months with the lowest visibility are January, February, March, April, October and November (9km).
Rostam Rud, Iran
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