September weather forecast and climate
Chaman, Iran

The first month of the autumn, September, is also a hot month in Chaman, Iran, with temperature in the range of an average low of 19.8°C (67.6°F) and an average high of 30°C (86°F).

Temperature

In September, the average high-temperature is essentially the same as in August - a still hot 30°C (86°F). In September, in Chaman, the average low-temperature is 19.8°C (67.6°F).

Heat index

The average heat index in September is estimated at a hot 33.7°C (92.7°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.
Take into consideration that the heat index values are calculated for shade and light wind conditions. With the exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel', 'felt air temperature', 'apparent temperature', or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. Additional factors like wind, pregnancy, clothing, and activity influence one's weather impression. Be aware that direct exposure to sunlight increases heat impact, and may raise the heat index additionally, by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children are often less aware of the need to rest and re-hydrate. Thirst is a late sign of dehydration - it is vital to remain hydrated, particularly during prolonged physical activities.

Humidity

In September, the average relative humidity in Chaman is 64%.

Rainfall

In Chaman, during 7 rainfall days, 19mm (0.75") of precipitation is typically accumulated. In Chaman, during the entire year, the rain falls for 101.4 days and collects up to 413mm (16.26") of precipitation.

Snowfall

In Chaman, Iran, snow does not fall in April through October.

Daylight

In Chaman, the average length of the day in September is 12.4h.

Sunshine

The average sunshine in September is 10.5h.

UV index

In Chaman, Iran, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: The average daily UV index of 6 in September transform into the following instructions:
Take precautions against overexposure. Protection against sun damage is needed. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Chaman?

In Chaman, 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', 'feels like'), that represents influence of the relative humidity to air temperaure, is evaluated at 33.7°C (92.7°F).

What is the average humidity in September in Chaman?

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

How many days does it rain in September in Chaman?

In September, the rain falls for 7 days. Throughout September, 19mm (0.75") of precipitation is accumulated.

When it does not snow in Chaman?

In Chaman, Iran, snow does not fall in April through October.

What is the average length of the day in September in Chaman?

The average length of the day in September in Chaman is 12.4h.

How many hours of sunshine does Chaman have in September?

The average sunshine in September in Chaman, Iran, is 10.5h.

How high is the UV index in September in Chaman?

In Chaman, Iran, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health risk from the exposure to the Sun's UV rays.
Average temperature in September - Chaman, Iran
  • Average high temperature in September: 30°C

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

  • Average low temperature in September: 19.8°C

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

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

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

The month with the highest number of snowfall days is February (1.6 days).
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 - Chaman, Iran
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 14.6h).
The month with the shortest days is December (Average daylight: 9.7h).

  • Average sunshine in September: 10.5h

The month with the most sunshine is June (Average sunshine: 11.5h).
The month with the least sunshine is February (Average sunshine: 6.1h).

Average sunshine days in September - Chaman, 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 - Chaman, Iran
  • Average UV index in September: 6

Months with the highest UV index are June, July and August (UV index 7).
Months with the lowest UV index are January and March (UV index 3).

Average cloud cover in September - Chaman, 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 - Chaman, Iran
  • Average visibility in September: 10km

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