September weather forecastKheydar, Iran
September
Weather in September
September, the first month of the autumn in Kheydar, is still a warm month, with an average temperature fluctuating between 27.1°C (80.8°F) and 12.8°C (55°F).Temperature
September implies a soft temperature shift, with average high-temperatures reducing from August's tropical 32°C (89.6°F) to a moderately hot 27.1°C (80.8°F). With a notable difference from peak temperatures, an average of 12.8°C (55°F) marks the nights in Kheydar in September.Humidity
The average relative humidity in September in Kheydar is 29%.Rainfall
January through July, September through December are months with rainfall in Kheydar. September is the first month it rains in Kheydar, Iran. Throughout September, in the average 1.1 rainfall days, it receives 2mm (0.08") of precipitation. Throughout the year, there are 72.3 rainfall days, and 259mm (10.2") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In Kheydar, the average length of the day in September is 12h and 25min.On the first day of September, sunrise is at 05:56 and sunset at 18:52. On the last day of the month, sunrise is at 06:19 and sunset at 18:10 +0330.
Sunshine
In Kheydar, the average sunshine in September is 10.3h.UV index
The average daily maximum UV index in September in Kheydar is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kheydar, Iran
- Average high temperature in September: 27.1°C
The warmest month (with the highest average high temperature) is July (32.8°C).
The month with the lowest average high temperature is January (1.9°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (-5.6°C).
Average pressure in September
Kheydar, Iran
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is December (1022mbar).
The month with the lowest atmospheric pressure is July (1006.2mbar).
Average wind speed in September
Kheydar, Iran
- Average wind speed in September: 9.1km/h
The windiest month (with the highest average wind speed) is May (12km/h).
The calmest month (with the lowest average wind speed) is November (7.2km/h).
Average humidity in September
Kheydar, Iran
- Average humidity in September: 29%
The month with the highest relative humidity is January (76%).
The months with the lowest relative humidity are July and August (24%).
Average rainfall in September
Kheydar, Iran
- Average rainfall in September: 2mm
The wettest month (with the highest rainfall) is December (51mm).
The driest month (with the least rainfall) is August (0mm).
Average rainfall days in September
Kheydar, Iran
- Average rainfall days in September: 1.1 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in September
Kheydar, Iran
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (225mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Kheydar, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Kheydar, Iran
- Average daylight in September: 12h and 24min
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 18min
The month with the most sunshine is August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 6h and 36min).
Average sunshine days in September
Kheydar, Iran
- Average sunshine days in September: 28.2 days
The month with the most sunshine days is August (30.2 days).
The month with the least sunshine days is March (14.3 days).
Average UV index in September
Kheydar, Iran
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Kheydar, Iran
- Average cloud cover in September: 3
The months with the most cloud cover are January, February and March (Cloud cover 30).
The months with the least cloud cover are August and September (Cloud cover 3).
Average visibility in September
Kheydar, Iran
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February, March and December (9km).





