September weather forecastKeh, Iran
September
Weather in September
The first month of the autumn, September, is still a warm month in Keh, Iran, with an average temperature ranging between max 27.2°C (81°F) and min 14.4°C (57.9°F).Temperature
A moderate decline in average high-temperatures is noted in September, moving from a hot 31.5°C (88.7°F) in August to a warm 27.2°C (81°F). With a notable difference from peak temperatures, an average of 14.4°C (57.9°F) marks the nights in September.Heat index
The heat index in September is appraised at 27°C (80.6°F). If one persists in activity during exposure, it could induce weariness and subsequently, heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. 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. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children often do not understand the need to rest and hydrate. Thirst is a late manifestation of dehydration - therefore, it is essential to stay hydrated, particularly during prolonged physical activities.
Humidity
In September, the average relative humidity in Keh 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
In Keh, snow does not fall in May through October.Daylight
In Keh, the average length of the day in September is 12h and 26min.On the first day of September in Keh, Iran, 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 18:03 +0330.
Sunshine
The average sunshine in September is 11h.UV index
In Keh, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, a regular UV index of 5 translates into these guidelines:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Keh, 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
Keh, 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
Keh, 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
Keh, 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
Keh, 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
Keh, 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
Keh, 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
Keh, 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
Keh, 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
Keh, 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
Keh, 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
Keh, 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
Keh, 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).
