September weather forecast
Chay Talvar, Iran

September

Weather in September

September, the first month of the autumn in Chay Talvar, is still a warm month, with an average temperature varying between 14.4°C (57.9°F) and 27.2°C (81°F).

Temperature

Chay Talvar experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from a tropical 31.5°C (88.7°F) in August to a moderately hot 27.2°C (81°F). Chay Talvar, in September, displays a significant temperature downturn during the night, with an average reading of 14.4°C (57.9°F).

Heat index

September's average heat index is estimated at 27°C (80.6°F). Persisting in activity during exposure could lead to weariness and subsequently to heat cramps.
Heat index details are generally centered around shaded locations and a mild breeze. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a metric representing the sensation of warmth when air temperature and moisture come together. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.

Humidity

The average relative humidity in September is 43%.

Rainfall

August and September are months with the least rain when the rain falls for 2.1 days and typically aggregates up to 2mm (0.08") of rain.

Snowfall

May through October are months without snowfall.

Daylight

In Chay Talvar, the average length of the day in September is 12h and 25min.
On the first day of September, sunrise is at 05:50 and sunset at 18:48. On the last day of the month, sunrise is at 06:14 and sunset at 18:04 +0330.

Sunshine

In September, the average sunshine is 11h.

UV index

In September, the average daily maximum UV index in Chay Talvar, Iran, is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

What are the temperatures in September?
The high-temperature, in September, in Chay Talvar, is 27.2°C (81°F), while the low-temperature averages to 14.4°C (57.9°F). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, in September is estimated at 27°C (80.6°F).
What is the average humidity in September?
The average relative humidity in September is 43%.
What is the driest month?
August and September are months with the least rain in Chay Talvar when the rain falls for 2.1 days and typically aggregates up to 2mm (0.08") of rain.
How much does it rain in September?
In September, the rain falls for 2.1 days. Throughout September, 2mm (0.08") of precipitation is accumulated.
When it does not snow?
May through October are months without snowfall.
How many hours of daylight does Chay Talvar have in September?
In September, the average day length in Chay Talvar is 12h and 25min.
When is the sunrise / sunset in September?
In September, on the first day of the month, sunrise is at 05:50 and sunset at 18:48. On the last day of the month, sunrise is at 06:14 and sunset at 18:04 +0330.
How long on average sun shines in September?
In September, the average sunshine duration is 11h.
What is the UV index reading in September?
In Chay Talvar, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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 - Chay Talvar, Iran
Average temperature in September
Chay Talvar, Iran
  • Average high temperature in September: 27.2°C

The warmest month (with the highest average high temperature) is July (32.6°C).
The month with the lowest average high temperature is January (3.2°C).

  • Average low temperature in September: 14.4°C

The month with the highest average low temperature is July (18.9°C).
The coldest month (with the lowest average low temperature) is January (-3.7°C).

Average pressure in September - Chay Talvar, Iran
Average pressure in September
Chay Talvar, Iran
  • Average pressure in September: 1014.4mbar

The month with the highest atmospheric pressure is December (1022.2mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).

Average wind speed in September - Chay Talvar, Iran
Average wind speed in September
Chay Talvar, Iran
  • Average wind speed in September: 8.9km/h

The windiest month (with the highest average wind speed) is July (11.3km/h).
The calmest month (with the lowest average wind speed) is December (5.1km/h).

Average humidity in September - Chay Talvar, Iran
Average humidity in September
Chay Talvar, Iran
  • Average humidity in September: 43%

The months with the highest relative humidity are January and February (68%).
The month with the lowest relative humidity is June (35%).

Average rainfall in September - Chay Talvar, Iran
Average rainfall in September
Chay Talvar, Iran
  • Average rainfall in September: 2mm

The wettest month (with the highest rainfall) is March (26mm).
The driest months (with the least rainfall) are August and September (2mm).

Average rainfall days in September - Chay Talvar, Iran
Average rainfall days in September
Chay Talvar, Iran
  • Average rainfall days in September: 2.1 days

The month with the highest number of rainy days is March (11.8 days).
The month with the least rainy days is August (1.3 days).

Average snowfall in September - Chay Talvar, Iran
Average snowfall in September
Chay Talvar, Iran
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (96mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September - Chay Talvar, Iran
Average snowfall days in September
Chay Talvar, Iran
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.3 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 - Chay Talvar, Iran
Average daylight in September /
Average sunshine in September
Chay Talvar, Iran
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).

  • Average sunshine in September: 11h and 0min

The months with the most sunshine are June and August (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).

Average sunshine days in September - Chay Talvar, Iran
Average sunshine days in September
Chay Talvar, Iran
  • Average sunshine days in September: 26.7 days

The month with the most sunshine days is August (28.4 days).
The month with the least sunshine days is April (15.1 days).

Average UV index in September - Chay Talvar, Iran
Average UV index in September
Chay Talvar, 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 and December (UV index 2).

Average cloud cover in September - Chay Talvar, Iran
Average cloud cover in September
Chay Talvar, Iran
  • Average cloud cover in September: 7

The month with the most cloud cover is February (Cloud cover 27).
The months with the least cloud cover are June, August and September (Cloud cover 7).

Average visibility in September - Chay Talvar, Iran
Average visibility in September
Chay Talvar, 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).

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