September weather forecast
Vastan, Iran

September

Weather in September

The first month of the autumn, September, is still a hot month in Vastan, Iran, with an average temperature fluctuating between 30°C (86°F) and 19.8°C (67.6°F).

Temperature

Vastan experiences a minor change to a still tropical 30°C (86°F) in average high-temperature during September, closely reflecting August. Throughout the September nights, Vastan encounters a low-temperature of 19.8°C (67.6°F).

Heat index

The heat index in September is computed to be a hot 34°C (93.2°F). Implement additional preventive actions, heat cramps and heat exhaustion are potential hazards. Heatstroke could follow prolonged activity.
Understanding the heat index involves considering values for shaded locales with light wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children usually face more risks than adults as their ability to sweat is less. Additionally, their larger skin surface in relation to their petite bodies and higher heat output due to their activities increases their vulnerability.

Humidity

The average relative humidity in September in Vastan, Iran, is 64%.

Rainfall

In September, the rain falls for 7 days. Throughout September, 19mm (0.75") of precipitation is accumulated. In Vastan, Iran, during the entire year, the rain falls for 101.4 days and collects up to 414mm (16.3") of precipitation.

Snowfall

In Vastan, snow does not fall in April through October.

Daylight

The average length of the day in September in Vastan is 12h and 25min.
On the first day of the month, sunrise is at 05:29 and sunset at 18:25. On the last day of September, in Vastan, sunrise is at 05:51 and sunset at 17:42 +0330.

Sunshine

The average sunshine in September is 10.4h.

UV index

In Vastan, Iran, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 6 during September leads to these advisories:
Escape overexposure. People with light skin may incur burns in fewer than 20 minutes. 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. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

Frequently asked questions

Is it hot in Vastan during September?
In Vastan, in September, the average high-temperature is 30°C (86°F), and the average low-temperature is 19.8°C (67.6°F). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is computed to be 34°C (93.2°F).
What is the average humidity in September in Vastan?
In September, the average relative humidity in Vastan, Iran, is 64%.
How much does it rain in Vastan in September?
In September, in Vastan, the rain falls for 7 days. Throughout September, 19mm (0.75") of precipitation is accumulated.
When it does not snow in Vastan?
In Vastan, Iran, snow does not fall in April through October.
How many hours of daylight does Vastan have in September?
In September, the average day length is 12h and 25min.
What time are sunrise and sunset in September in Vastan?
On the first day of September in Vastan, sunrise is at 05:29 and sunset at 18:25. On the last day of the month, sunrise is at 05:51 and sunset at 17:42 +0330.
How many hours of sunshine does Vastan have in September?
In Vastan, the average sunshine duration in September is 10.4h.
What is the UV index reading in September in Vastan?
In Vastan, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Vastan, Iran
Average temperature in September
Vastan, Iran
  • Average high temperature in September: 30°C

The warmest month (with the highest average high temperature) is August (32.8°C).
The months with the lowest average high temperature are January and February (13.6°C).

  • Average low temperature in September: 19.8°C

The months with the highest average low temperature are July and August (22.3°C).
The coldest month (with the lowest average low temperature) is February (5.4°C).

Average pressure in September - Vastan, Iran
Average pressure in September
Vastan, Iran
  • Average pressure in September: 1013.6mbar

The month with the highest atmospheric pressure is December (1021.5mbar).
The month with the lowest atmospheric pressure is July (1007.9mbar).

Average wind speed in September - Vastan, Iran
Average wind speed in September
Vastan, Iran
  • Average wind speed in September: 8.2km/h

The windiest months (with the highest average wind speed) are June and July (9km/h).
The calmest months (with the lowest average wind speed) are November and December (7.5km/h).

Average humidity in September - Vastan, Iran
Average humidity in September
Vastan, Iran
  • Average humidity in September: 64%

The month with the highest relative humidity is February (65%).
The month with the lowest relative humidity is June (59%).

Average rainfall in September - Vastan, Iran
Average rainfall in September
Vastan, Iran
  • Average rainfall in September: 19mm

The wettest month (with the highest rainfall) is October (64mm).
The driest month (with the least rainfall) is August (9mm).

Average rainfall days in September - Vastan, Iran
Average rainfall days in September
Vastan, Iran
  • Average rainfall days in September: 7 days

The month with the highest number of rainy days is March (11.2 days).
The month with the least rainy days is June (5.3 days).

Average snowfall in September - Vastan, Iran
Average snowfall in September
Vastan, Iran
  • Average snowfall in September: 0mm

The month with the highest snowfall is February (51mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September - Vastan, Iran
Average snowfall days in September
Vastan, Iran
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (1.6 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 - Vastan, Iran
Average daylight in September /
Average sunshine in September
Vastan, 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 42min).

  • Average sunshine in September: 10h and 2min

The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).

Average sunshine days in September - Vastan, Iran
Average sunshine days in September
Vastan, Iran
  • Average sunshine days in September: 20.3 days

The month with the most sunshine days is July (24.4 days).
The month with the least sunshine days is May (15.9 days).

Average UV index in September - Vastan, Iran
Average UV index in September
Vastan, Iran
  • Average UV index in September: 6

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 March (UV index 3).

Average cloud cover in September - Vastan, Iran
Average cloud cover in September
Vastan, Iran
  • Average cloud cover in September: 17

The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is June (Cloud cover 15).

Average visibility in September - Vastan, Iran
Average visibility in September
Vastan, Iran
  • Average visibility in September: 10km

The months with the highest visibility are January, June, August, September, October and December (10km).
The months with the lowest visibility are February, March, April, May, July and November (9km).

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