September weather forecastDerend, Iran
September
Weather in September
The first month of the autumn, September, is still a hot month in Derend, Iran, with an average temperature fluctuating between 30°C (86°F) and 20°C (68°F).Temperature
The beginning of September brings a minor change in the average high-temperature, shifting from a hot 33.3°C (91.9°F) in August to a still tropical 30°C (86°F). Derend's temperature tends to fall to an average low of 20°C (68°F) during the nights of September.Humidity
In Derend, the average relative humidity in September is 16%.Rainfall
In Derend, rain does not fall in July and September.Snowfall
March through October and December are months without snowfall.Daylight
In Derend, Iran, the average length of the day in September is 12h and 22min.On the first day of September in Derend, sunrise is at 05:26 and sunset at 18:16. On the last day of the month, sunrise is at 05:45 and sunset at 17:37 +0330.
Sunshine
In September, the average sunshine is 11h.UV index
In September, the average daily maximum UV index is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Follow precautions and abide by sun safety rules. Deterrence of sunburn is imperative. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Derend, Iran
- Average high temperature in September: 30°C
The warmest month (with the highest average high temperature) is July (35.2°C).
The month with the lowest average high temperature is January (11.1°C).
- Average low temperature in September: 20°C
The month with the highest average low temperature is July (24.9°C).
The coldest month (with the lowest average low temperature) is January (2.4°C).
Average pressure in September
Derend, Iran
- Average pressure in September: 1011mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is July (1004.2mbar).
Average wind speed in September
Derend, Iran
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is July (8.8km/h).
The calmest months (with the lowest average wind speed) are September and October (6km/h).
Average humidity in September
Derend, Iran
- Average humidity in September: 16%
The month with the highest relative humidity is January (39%).
The month with the lowest relative humidity is July (13%).
Average rainfall in September
Derend, Iran
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is April (15mm).
The driest months (with the least rainfall) are July and September (0mm).
Average rainfall days in September
Derend, Iran
- Average rainfall days in September: 0.4 days
The month with the highest number of rainy days is April (9.2 days).
The month with the least rainy days is September (0.4 days).
Average snowfall in September
Derend, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (35mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Derend, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.3 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
Derend, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 11h 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
Derend, Iran
- Average sunshine days in September: 29.3 days
The month with the most sunshine days is July (30.7 days).
The month with the least sunshine days is April (15.7 days).
Average UV index in September
Derend, 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
Derend, Iran
- Average cloud cover in September: 3
The month with the most cloud cover is April (Cloud cover 17).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in September
Derend, 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).
