September weather forecastKhorramabad, Iran
September
Weather in September
The welcoming arms of September bring a mild respite to Khorramabad from the relentless summer. Temperatures, though still high, start to experience a gradual decline compared to August. The once deserted parks begin to fill as the weather becomes increasingly bearable towards the end of the month. Rainfall slowly inches its way back, marking the first inklings of the incoming fall. While remnants of summer still linger, the essence of fall becomes increasingly evident with each passing day.Temperature
The average high-temperature shows a slight dip in September, from August's very hot 35.6°C (96.1°F) to a hot 30.8°C (87.4°F). Despite a significant deviation from daily highs, September sees an average nighttime temperature of 13.1°C (55.6°F) in Khorramabad.Humidity
In Khorramabad, the average relative humidity in September is 26%.Rainfall
January through May, September through December are months with rainfall in Khorramabad. September is the first month it rains. Throughout September, in the average 0.5 rainfall days, it receives 1mm (0.04") of precipitation. In Khorramabad, during the entire year, the rain falls for 66.1 days and collects up to 338mm (13.31") of precipitation.Snowfall
In Khorramabad, snow does not fall in April through October.Daylight
The average length of the day in September in Khorramabad is 12h and 23min.On the first day of the month, sunrise is at 05:50 and sunset at 18:42. On the last day of September, in Khorramabad, Iran, sunrise is at 06:10 and sunset at 18:02 +0330.
Sunshine
The average sunshine in September in Khorramabad, Iran, is 11.1h.UV index
In Khorramabad, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. 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
Khorramabad, Iran
- Average high temperature in September: 30.8°C
The warmest month (with the highest average high temperature) is July (36.2°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in September: 13.1°C
The month with the highest average low temperature is July (19.2°C).
The coldest month (with the lowest average low temperature) is January (-0.1°C).
Average pressure in September
Khorramabad, Iran
- Average pressure in September: 1010.5mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is July (1003.2mbar).
Average wind speed in September
Khorramabad, Iran
- Average wind speed in September: 7.3km/h
The windiest month (with the highest average wind speed) is May (8.8km/h).
The calmest month (with the lowest average wind speed) is November (5.9km/h).
Average humidity in September
Khorramabad, Iran
- Average humidity in September: 26%
The month with the highest relative humidity is January (61%).
The month with the lowest relative humidity is July (17%).
Average rainfall in September
Khorramabad, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (67mm).
The driest months (with the least rainfall) are June, July and August (0mm).
Average rainfall days in September
Khorramabad, Iran
- Average rainfall days in September: 0.5 days
The month with the highest number of rainy days is April (11.1 days).
The month with the least rainy days is August (0.1 days).
Average snowfall in September
Khorramabad, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (156mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Khorramabad, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.5 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
Khorramabad, Iran
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 11h and 6min
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 42min).
Average sunshine days in September
Khorramabad, Iran
- Average sunshine days in September: 29.4 days
The month with the most sunshine days is July (30.7 days).
The month with the least sunshine days is February (16.5 days).
Average UV index in September
Khorramabad, Iran
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Khorramabad, Iran
- Average cloud cover in September: 2
The month with the most cloud cover is January (Cloud cover 27).
The month with the least cloud cover is September (Cloud cover 2).
Average visibility in September
Khorramabad, Iran
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (10km).
The month with the lowest visibility is January (9km).





