September weather forecastKasalan, Iran

September

Weather in September

September, the first month of the autumn in Kasalan, is also a moderately hot month, with temperature in the range of an average low of 14.4°C (57.9°F) and an average high of 27.2°C (81°F).

Temperature

September's arrival signals a moderate reduction in the average high-temperature, easing from a hot 31.5°C (88.7°F) in August to a warm 27.2°C (81°F). Kasalan anticipates a considerable cooling off from the daytime high to an average minimum temperature of 14.4°C (57.9°F) in September.

Heat index

For most parts of September, the heat index is estimated at 27°C (80.6°F). When exposure and activity are sustained, they could induce fatigue, with a chance of heat cramps.
The heat index's values are generally associated with conditions in shade and light breezes. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is the outcome of merging air's temperature and its humidity metrics. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.

Humidity

In Kasalan, the average relative humidity in September is 43%.

Rainfall

The months with the least rainfall are August and September Rain falls for 2.1 days and accumulates 2mm (0.08") of rain.

Snowfall

In Kasalan, Iran, snow does not fall in May through October.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 05:49 and sunset at 18:48. On the last day of September, sunrise is at 06:14 and sunset at 18:04 +0330.

Sunshine

The average sunshine in September is 11h.

UV index

In Kasalan, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. To cut down UV radiation exposure by about half, sport a wide-brim hat.

Frequently asked questions

September temperatures vary between a 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 combines relative humidity and air temperature, is estimated at 27°C (80.6°F).

The average relative humidity in September in Kasalan is 43%.

The months with the least rainfall are August and September Rain falls for 2.1 days and accumulates 2mm (0.08") of rain.

In Kasalan, in September, during 2.1 rainfall days, 2mm (0.08") of precipitation is typically accumulated.

In Kasalan, snow does not fall in May through October.

In Kasalan, the average day length in September is 12h and 26min.

On the first day of September, sunrise is at 05:49 and sunset at 18:48. On the last day of the month, sunrise is at 06:14 and sunset at 18:04 +0330.

The average sunshine duration in September is 11h.

In Kasalan, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Kasalan, 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
Kasalan, 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
Kasalan, 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
Kasalan, 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
Kasalan, 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
Kasalan, 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
Kasalan, 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
Kasalan, 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
Kasalan, Iran

  • Average daylight in September: 12h and 24min

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
Kasalan, 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
Kasalan, 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
Kasalan, 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
Kasalan, 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).