September weather forecastKhiaraj, Iran

September

Weather in September

September, the first month of the autumn in Khiaraj, is also a moderately hot month, with an average temperature ranging between max 27.2°C (81°F) and min 15.4°C (59.7°F).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's tropical 31°C (87.8°F) to a moderately hot 27.2°C (81°F). The average nighttime temperature lowers to a refreshing 15.4°C (59.7°F) throughout September.

Heat index

During September, the heat index is calculated to be 27°C (80.6°F). Prolonged exposure and physical activity might induce exhaustion, potentially causing heat cramps.
Take into consideration that the heat index values are calculated for shade and light wind conditions. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is a calculated temperature value of how hot it feels when the moisture in the air is factored in. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. One should be aware that direct sunshine can amplify the perceived temperature, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children frequently do not understand the need for recuperation and hydration. Thirst, being a late manifestation of dehydration, underlines the need to hydrate frequently, especially when engaging in prolonged physical exercises.

Humidity

In September, the average relative humidity is 45%.

Rainfall

The month with the least rainfall is September, when the rain falls for 2.3 days and typically collects 2mm (0.08") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In Khiaraj, the average length of the day in September is 12h and 25min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:38. On the last day of September, sunrise is at 06:05 and sunset at 17:56 +0330.

Sunshine

In September, the average sunshine is 11.4h.

UV index

In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 5 in September leads to these recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

Frequently asked questions

During September, Khiaraj experiences an average high-temperature of 27.2°C (81°F) and a low-temperature of 15.4°C (59.7°F). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 27°C (80.6°F).

In Khiaraj, the average relative humidity in September is 45%.

The month with the least rainfall is September, when the rain falls for 2.3 days and typically collects 2mm (0.08") of precipitation.

In Khiaraj, in September, it is raining for 2.3 days, with typically 2mm (0.08") of accumulated precipitation.

May through October are months without snowfall.

In September, the average day length in Khiaraj is 12h and 25min.

On the first day of September in Khiaraj, sunrise is at 05:43 and sunset at 18:38. On the last day of the month, sunrise is at 06:05 and sunset at 17:56 +0330.

In September, the average sunshine duration is 11.4h.

In Khiaraj, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health threat from unsafe 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Khiaraj, Iran

  • Average high temperature in September: 27.2°C

The warmest month (with the highest average high temperature) is July (32.7°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in September: 15.4°C

The month with the highest average low temperature is July (19.1°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).

Average pressure in September
Khiaraj, Iran

  • Average pressure in September: 1013.9mbar

The month with the highest atmospheric pressure is December (1021.9mbar).
The month with the lowest atmospheric pressure is July (1008.3mbar).

Average wind speed in September
Khiaraj, Iran

  • Average wind speed in September: 10.8km/h

The windiest month (with the highest average wind speed) is July (12.8km/h).
The calmest month (with the lowest average wind speed) is December (9.1km/h).

Average humidity in September
Khiaraj, Iran

  • Average humidity in September: 45%

The month with the highest relative humidity is February (60%).
The month with the lowest relative humidity is June (39%).

Average rainfall in September
Khiaraj, Iran

  • Average rainfall in September: 2mm

The wettest month (with the highest rainfall) is April (43mm).
The driest month (with the least rainfall) is September (2mm).

Average rainfall days in September
Khiaraj, Iran

  • Average rainfall days in September: 2.3 days

The month with the highest number of rainy days is March (12.5 days).
The month with the least rainy days is August (1.5 days).

Average snowfall in September
Khiaraj, Iran

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (128mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in September
Khiaraj, Iran

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (6.8 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
Khiaraj, Iran

  • Average daylight in September: 12h and 24min

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: 11h and 24min

The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 48min).

Average sunshine days in September
Khiaraj, Iran

  • Average sunshine days in September: 25.5 days

The month with the most sunshine days is July (27.3 days).
The month with the least sunshine days is April (13.8 days).

Average UV index in September
Khiaraj, Iran

  • Average UV index in September: 5

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in September
Khiaraj, Iran

  • Average cloud cover in September: 6

The month with the most cloud cover is February (Cloud cover 26).
The months with the least cloud cover are August and September (Cloud cover 6).

Average visibility in September
Khiaraj, 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).