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
Weather in September
Temperature
The arrival of September signals a subtle shift in temperature, down from a tropical 31.8°C (89.2°F) in August to a warm 27.7°C (81.9°F). Khomein registers a pronounced decline from daytime peak temperatures, averaging a moderate 14.1°C (57.4°F) lows in September.Humidity
In September, the average relative humidity in Khomein, Iran, is 23%.Rainfall
July through September are months with the least rain in Khomein when the rain falls for 0.7 days and typically aggregates up to 1mm (0.04") of rain.Snowfall
In Khomein, Iran, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 05:43 and sunset at 18:35. On the last day of September, sunrise is at 06:03 and sunset at 17:55 +0330.
Sunshine
The average sunshine in September is 11.3h.UV index
In Khomein, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the usual temperature for Khomein in September?
What is the average humidity in September in Khomein?
What is the driest month in Khomein?
How much does it rain in Khomein in September?
When it does not snow in Khomein?
What is the average length of the day in September in Khomein?
When is the sunrise / sunset in September in Khomein?
How many hours of sunshine does Khomein have in September?
What is the UV index reading in September in Khomein?
Average temperature in September
Khomein, Iran
- Average high temperature in September: 27.7°C
The warmest month (with the highest average high temperature) is July (33.2°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in September: 14.1°C
The month with the highest average low temperature is July (19.6°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Khomein, Iran
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is December (1021.6mbar).
The month with the lowest atmospheric pressure is July (1005.8mbar).
Average wind speed in September
Khomein, Iran
- Average wind speed in September: 8.7km/h
The windiest month (with the highest average wind speed) is March (12.5km/h).
The calmest month (with the lowest average wind speed) is November (7.1km/h).
Average humidity in September
Khomein, Iran
- Average humidity in September: 23%
The month with the highest relative humidity is January (62%).
The month with the lowest relative humidity is July (18%).
Average rainfall in September
Khomein, Iran
- Average rainfall in September: 1mm
The wettest month (with the highest rainfall) is March (22mm).
The driest months (with the least rainfall) are July, August and September (1mm).
Average rainfall days in September
Khomein, Iran
- Average rainfall days in September: 0.7 days
The month with the highest number of rainy days is April (8.3 days).
The month with the least rainy days is September (0.7 days).
Average snowfall in September
Khomein, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is March (56mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Khomein, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 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
Khomein, Iran
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 11h and 2min
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
Khomein, Iran
- Average sunshine days in September: 28.9 days
The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is April (21.2 days).
Average UV index in September
Khomein, 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, November and December (UV index 2).
Average cloud cover in September
Khomein, Iran
- Average cloud cover in September: 5
The month with the most cloud cover is January (Cloud cover 26).
The month with the least cloud cover is September (Cloud cover 5).
Average visibility in September
Khomein, 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).
Khomein, Iran
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