Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a tropical 31°C (87.8°F) in August to a warm 27.2°C (81°F). During September, Narjeh's temperature falls to a steady low-temperature average of 15.4°C (59.7°F).Heat index
The average heat index in September is calculated to be 27°C (80.6°F). Persistently participating in activities during exposure may lead to fatigue and induce heat cramps.Heat index's context suggests values are appropriate for shady areas and slight breezes. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', evaluates the perceived heat by adding the effect of moisture in the air. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
In Narjeh, the average relative humidity in September is 45%.Rainfall
The month with the least rainfall in Narjeh 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 in Narjeh.Daylight
The average length of the day in September in Narjeh is 12h and 25min.On the first day of the month, sunrise is at 05:43 and sunset at 18:39. On the last day of September, sunrise is at 06:06 and sunset at 17:56 +0330.
Sunshine
The average sunshine in September in Narjeh, Iran, is 11.4h.UV index
The average daily maximum UV index in September in Narjeh 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 the ordinary person.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Narjeh?
What is the average humidity in September in Narjeh?
What is the driest month in Narjeh?
How many days does it rain in September in Narjeh?
When it does not snow in Narjeh?
What is the average length of the day in September in Narjeh?
What time are sunrise and sunset in September in Narjeh?
How many hours of sunshine does Narjeh have in September?
What is the UV index reading in September in Narjeh?
Average temperature in September
Narjeh, 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
Narjeh, 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
Narjeh, 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
Narjeh, 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
Narjeh, 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
Narjeh, 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
Narjeh, 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
Narjeh, 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
Narjeh, Iran
- Average daylight in September: 12h and 2min
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 2min
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
Narjeh, 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
Narjeh, 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
Narjeh, 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
Narjeh, 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).
