September weather forecastRiseh, Iran
September
Weather in September
September, the first month of the autumn in Riseh, is still a tropical month, with an average temperature ranging between max 30.4°C (86.7°F) and min 18.6°C (65.5°F).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's tropical 33.4°C (92.1°F) to a still hot 30.4°C (86.7°F). In Riseh, September's nights observe an average temperature dip to a comfortable 18.6°C (65.5°F).Humidity
The average relative humidity in September is 15%.Rainfall
In September, the rain falls for 0.7 days. Throughout September, 1mm (0.04") of precipitation is accumulated. In Riseh, during the entire year, the rain falls for 40.1 days and collects up to 97mm (3.82") of precipitation.Snowfall
March through October and December are months without snowfall in Riseh.Daylight
The average length of the day in September in Riseh is 12h and 21min.On the first day of the month, sunrise is at 05:25 and sunset at 18:11. On the last day of September, sunrise is at 05:41 and sunset at 17:35 +0330.
Sunshine
The average sunshine in September is 10.5h.UV index
In Riseh, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 6 in September leads to these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. 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. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Riseh, Iran
- Average high temperature in September: 30.4°C
The warmest month (with the highest average high temperature) is July (35.3°C).
The month with the lowest average high temperature is January (12°C).
- Average low temperature in September: 18.6°C
The month with the highest average low temperature is July (23.8°C).
The coldest month (with the lowest average low temperature) is January (3.3°C).
Average pressure in September
Riseh, Iran
- Average pressure in September: 1011.1mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (1004.1mbar).
Average wind speed in September
Riseh, Iran
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is March (15.1km/h).
The calmest month (with the lowest average wind speed) is October (8.9km/h).
Average humidity in September
Riseh, Iran
- Average humidity in September: 15%
The months with the highest relative humidity are January and February (39%).
The month with the lowest relative humidity is June (12%).
Average rainfall in September
Riseh, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is April (21mm).
The driest month (with the least rainfall) is June (0mm).
Average rainfall days in September
Riseh, Iran
- Average rainfall days in September: 0.7 days
The month with the highest number of rainy days is April (9 days).
The month with the least rainy days is June (0.3 days).
Average snowfall in September
Riseh, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (23mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Riseh, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Riseh, Iran
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 10h and 30min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The month with the least sunshine is February (Average sunshine: 7h and 12min).
Average sunshine days in September
Riseh, Iran
- Average sunshine days in September: 28.9 days
The month with the most sunshine days is July (29.2 days).
The month with the least sunshine days is April (18.2 days).
Average UV index in September
Riseh, Iran
- Average UV index in September: 6
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Riseh, Iran
- Average cloud cover in September: 3
The month with the most cloud cover is April (Cloud cover 16).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in September
Riseh, 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).
