Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
September involves a decrease in temperature, down from a sweltering 38.2°C (100.8°F) in August to a tropical 32.9°C (91.2°F). Khalan's September nights cool down significantly from the day's heat, to an average low-temperature of 18.4°C (65.1°F).Humidity
The average relative humidity in September is 24%.Rainfall
Months with rainfall are January through June, September through December. September is the first month it rains. Throughout September, in the average 1.3 rainfall days, it receives 3mm (0.12") of precipitation. In Khalan, during the entire year, the rain falls for 94.6 days and collects up to 592mm (23.31") of precipitation.Snowfall
In Khalan, snow does not fall in April through November.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 05:33 and sunset at 18:30. On the last day of September, sunrise is at 05:57 and sunset at 17:47 +03.
Sunshine
In Khalan, the average sunshine in September is 11.7h.UV index
In Khalan, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. 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
How hot does it get in September?
What is the average humidity in September?
When does it start raining?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Khalan, Iraq
- Average high temperature in September: 32.9°C
The warmest month (with the highest average high temperature) is July (38.3°C).
The month with the lowest average high temperature is January (7.9°C).
- Average low temperature in September: 18.4°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 (1.6°C).
Average pressure in September
Khalan, Iraq
- Average pressure in September: 1009.9mbar
The month with the highest atmospheric pressure is December (1021.3mbar).
The month with the lowest atmospheric pressure is July (1003.2mbar).
Average wind speed in September
Khalan, Iraq
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is July (8.6km/h).
The calmest months (with the lowest average wind speed) are November and December (5.7km/h).
Average humidity in September
Khalan, Iraq
- Average humidity in September: 24%
The month with the highest relative humidity is January (63%).
The month with the lowest relative humidity is July (18%).
Average rainfall in September
Khalan, Iraq
- Average rainfall in September: 3mm
The wettest month (with the highest rainfall) is March (117mm).
The driest months (with the least rainfall) are July and August (0mm).
Average rainfall days in September
Khalan, Iraq
- Average rainfall days in September: 1.3 days
The month with the highest number of rainy days is March (16.3 days).
The month with the least rainy days is August (0.3 days).
Average snowfall in September
Khalan, Iraq
- Average snowfall in September: 0mm
The month with the highest snowfall is February (36mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Khalan, Iraq
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Khalan, Iraq
- Average daylight in September: 12h and 2min
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: 11h and 4min
The month with the most sunshine is August (Average sunshine: 12h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in September
Khalan, Iraq
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is August (30.3 days).
The month with the least sunshine days is April (12.9 days).
Average UV index in September
Khalan, Iraq
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 8).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Khalan, Iraq
- Average cloud cover in September: 3
The months with the most cloud cover are January, March and December (Cloud cover 34).
The month with the least cloud cover is August (Cloud cover 1).
Average visibility in September
Khalan, Iraq
- 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).
