September weather forecastRayen, Iran
September
Weather in September
The first month of the autumn, September, is still a warm month in Rayen, Iran, with an average temperature varying between 16.2°C (61.2°F) and 27.3°C (81.1°F).Temperature
With the commencement of September, Rayen records a moderate temperature decline, with the average high easing from August's hot 30.3°C (86.5°F) to a moderately hot 27.3°C (81.1°F). Throughout September, Rayen anticipates an average low-temperature of 16.2°C (61.2°F).Humidity
In September, the average relative humidity is 17%.Rainfall
June, July and September are months without rainfall.Snowfall
In Rayen, snow does not fall in March through October.Daylight
In September, the average length of the day is 12h and 20min.On the first day of the month, sunrise is at 05:17 and sunset at 18:02. On the last day of September, in Rayen, sunrise is at 05:33 and sunset at 17:27 +0330.
Sunshine
The average sunshine in September is 10.3h.UV index
The average daily maximum UV index in September in Rayen, Iran, is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 6 in September transforms into the following instructions:
Guard against overexposure. Protection from sun-induced harm is essential. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rayen, Iran
- Average high temperature in September: 27.3°C
The warmest month (with the highest average high temperature) is July (31.9°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in September: 16.2°C
The month with the highest average low temperature is July (21.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in September
Rayen, Iran
- Average pressure in September: 1009.9mbar
The month with the highest atmospheric pressure is December (1019.6mbar).
The month with the lowest atmospheric pressure is July (1002.8mbar).
Average wind speed in September
Rayen, Iran
- Average wind speed in September: 7.2km/h
The windiest month (with the highest average wind speed) is March (11.3km/h).
The calmest month (with the lowest average wind speed) is December (6.5km/h).
Average humidity in September
Rayen, Iran
- Average humidity in September: 17%
The month with the highest relative humidity is February (40%).
The months with the lowest relative humidity are June and July (14%).
Average rainfall in September
Rayen, Iran
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is April (28mm).
The driest months (with the least rainfall) are June, July and September (0mm).
Average rainfall days in September
Rayen, Iran
- Average rainfall days in September: 0.3 days
The month with the highest number of rainy days is April (11.6 days).
The month with the least rainy days is September (0.3 days).
Average snowfall in September
Rayen, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Rayen, Iran
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and 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
Rayen, Iran
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in September: 10h and 18min
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 18min).
Average sunshine days in September
Rayen, Iran
- Average sunshine days in September: 29.1 days
The month with the most sunshine days is July (30.1 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in September
Rayen, Iran
- Average UV index in September: 6
The months with the highest UV index are May, June and July (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in September
Rayen, Iran
- Average cloud cover in September: 3
The months with the most cloud cover are February and April (Cloud cover 16).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in September
Rayen, 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).
