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
Irab's progression into September involves a gentle drop in the average high-temperature, from a hot 32°C (89.6°F) in August to a warm 27.1°C (80.8°F). A pronounced dip becomes evident during the nights in September as Irab logs a consistent average temperature of 12.8°C (55°F).Humidity
In Irab, Iran, the average relative humidity in September is 29%.Rainfall
January through July, September through December are months with rainfall. September is the first month it rains. Throughout September, in the average 1.1 rainfall days, it receives 2mm (0.08") of precipitation. In Irab, during the entire year, the rain falls for 72.3 days and collects up to 259mm (10.2") of precipitation.Snowfall
May through October are months without snowfall in Irab.Daylight
In Irab, the average length of the day in September is 12h and 25min.On the first day of September in Irab, sunrise is at 05:55 and sunset at 18:51. On the last day of the month, sunrise is at 06:17 and sunset at 18:08 +0330.
Sunshine
In Irab, the average sunshine in September is 10.3h.UV index
In Irab, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Irab?
What is the average humidity in September in Irab?
When does it start raining in Irab?
When it does not snow in Irab?
What is the average length of the day in September in Irab?
When is the sunrise / sunset in September in Irab?
How many hours of sunshine does Irab have in September?
What is the UV index reading in September in Irab?
Average temperature in September
Irab, 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
Irab, 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
Irab, 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
Irab, 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
Irab, 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
Irab, 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
Irab, 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
Irab, 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
Irab, Iran
- 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 48min).
- Average sunshine in September: 10h 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 36min).
Average sunshine days in September
Irab, 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
Irab, 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
Irab, 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
Irab, 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).
