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
With September's onset, the weather reveals a slight temperature decrease, transitioning from 34.5°C (94.1°F) in August to a still hot 30.7°C (87.3°F). From the heights of the September heat, Sin records a mean nighttime low of 17.8°C (64°F).Humidity
In September, the average relative humidity is 17%.Rainfall
July through September are months without rainfall.Snowfall
March through October are months without snowfall.Daylight
In Sin, the average length of the day in September is 12h and 22min.On the first day of the month, sunrise is at 05:38 and sunset at 18:28. On the last day of September, sunrise is at 05:57 and sunset at 17:49 +0330.
Sunshine
The average sunshine in September in Sin is 11.6h.UV index
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 ordinary individuals.Note: The maximum daily UV index, 6 in September, converts into the following recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September in Sin?
What is the driest month?
Does it rain in September?
When it does not snow?
How many hours of daylight does Sin have in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Sin have in September?
How high is the UV index in September?
Average temperature in September
Sin, Iran
- Average high temperature in September: 30.7°C
The warmest month (with the highest average high temperature) is July (35.8°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in September: 17.8°C
The month with the highest average low temperature is July (23.6°C).
The coldest month (with the lowest average low temperature) is January (-0.5°C).
Average pressure in September
Sin, Iran
- Average pressure in September: 1012.3mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is July (1005.8mbar).
Average wind speed in September
Sin, Iran
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is July (10.9km/h).
The calmest month (with the lowest average wind speed) is December (5.3km/h).
Average humidity in September
Sin, Iran
- Average humidity in September: 17%
The month with the highest relative humidity is January (45%).
The month with the lowest relative humidity is July (14%).
Average rainfall in September
Sin, Iran
- Average rainfall in September: 0mm
The wettest months (with the highest rainfall) are March, April and May (10mm).
The driest months (with the least rainfall) are July, August and September (0mm).
Average rainfall days in September
Sin, Iran
- Average rainfall days in September: 0.1 days
The month with the highest number of rainy days is April (6.9 days).
The month with the least rainy days is September (0.1 days).
Average snowfall in September
Sin, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are March, April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Sin, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Sin, Iran
- Average daylight in September: 12h and 2min
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 4min
The month with the most sunshine is June (Average sunshine: 12h and 18min).
The months with the least sunshine are January, February, November and December (Average sunshine: 7h and 24min).
Average sunshine days in September
Sin, Iran
- Average sunshine days in September: 29.7 days
The months with the most sunshine days are July and August (30.8 days).
The month with the least sunshine days is April (19.8 days).
Average UV index in September
Sin, Iran
- Average UV index in September: 6
The month with the highest UV index is June (UV index 8).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Sin, Iran
- Average cloud cover in September: 3
The month with the most cloud cover is April (Cloud cover 15).
The month with the least cloud cover is September (Cloud cover 3).
Average visibility in September
Sin, Iran
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
