September weather forecast
Zereshlu, Iran

September

Weather in September

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

Temperature

Zereshlu's weather subtly changes with the onset of September, barely falling from a hot 31.5°C (88.7°F) in August to a warm 27.2°C (81°F). Zereshlu experiences a dramatic descent in temperature during September, with the average nighttime reading settling at a refreshing 14.4°C (57.9°F).

Heat index

In September, the heat index is estimated at 27°C (80.6°F). Exhaustion becomes probable with enduring exposure and activity, potentially causing heat cramps.
One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Direct sunlight has the potential to heighten heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.

Humidity

In September, the average relative humidity 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 in Zereshlu.

Daylight

In September, the average length of the day in Zereshlu is 12h and 25min.
On the first day of September, sunrise is at 05:51 and sunset at 18:49. On the last day of the month, sunrise is at 06:15 and sunset at 18:05 +0330.

Sunshine

In September, the average sunshine in Zereshlu is 11h.

UV index

In Zereshlu, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

What is the usual temperature for Zereshlu in September?
During September, Zereshlu experiences an average high-temperature of 27.2°C (81°F) and a low-temperature of 14.4°C (57.9°F). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 27°C (80.6°F).
What is the average humidity in September in Zereshlu?
In Zereshlu, the average relative humidity in September is 43%.
What is the driest month in Zereshlu?
The months with the least rainfall in Zereshlu are August and September Rain falls for 2.1 days and accumulates 2mm (0.08") of rain.
How much does it rain in Zereshlu in September?
In Zereshlu, Iran, during September, the rain falls for 2.1 days and regularly aggregates up to 2mm (0.08") of precipitation.
When it does not snow in Zereshlu?
In Zereshlu, snow does not fall in May through October.
How many hours of daylight does Zereshlu have in September?
The average day length in September is 12h and 25min.
What time are sunrise and sunset in September in Zereshlu?
In September, on the first day of the month, sunrise is at 05:51 and sunset at 18:49. On the last day of the month, in Zereshlu, Iran, sunrise is at 06:15 and sunset at 18:05 +0330.
How long on average sun shines in September in Zereshlu?
In September, the average sunshine duration in Zereshlu is 11h.
What is the UV index intensity in September in Zereshlu?
The average daily maximum UV index in September in Zereshlu is 5. A UV Index value of 3 to 5 symbolizes a moderate health threat 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 - Zereshlu, Iran
Average temperature in September
Zereshlu, 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 - Zereshlu, Iran
Average pressure in September
Zereshlu, 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 - Zereshlu, Iran
Average wind speed in September
Zereshlu, 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 - Zereshlu, Iran
Average humidity in September
Zereshlu, 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 - Zereshlu, Iran
Average rainfall in September
Zereshlu, 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 - Zereshlu, Iran
Average rainfall days in September
Zereshlu, 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 - Zereshlu, Iran
Average snowfall in September
Zereshlu, 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 - Zereshlu, Iran
Average snowfall days in September
Zereshlu, 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 - Zereshlu, Iran
Average daylight in September /
Average sunshine in September
Zereshlu, 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 - Zereshlu, Iran
Average sunshine days in September
Zereshlu, 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 - Zereshlu, Iran
Average UV index in September
Zereshlu, 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 - Zereshlu, Iran
Average cloud cover in September
Zereshlu, 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 - Zereshlu, Iran
Average visibility in September
Zereshlu, 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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