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 average high-temperature during September is a warm 28.6°C (83.5°F), almost matching the conditions of the preceding month. Najafdar's average low-temperature in September is measured at a comfortable 19.1°C (66.4°F).Heat index
The heat index value for September is computed to be a tropical 31°C (87.8°F). Enduring exposure and ongoing activity could cause a sense of fatigue and subsequent heat cramps.The heat index's values are generally associated with conditions in shade and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.
Humidity
September and November, with an average relative humidity of 67%, are the most humid months.Rainfall
In Najafdar, in September, during 7.4 rainfall days, 11mm (0.43") of precipitation is typically accumulated. In Najafdar, during the entire year, the rain falls for 103.7 days and collects up to 326mm (12.83") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 05:32 and sunset at 18:28. On the last day of the month, sunrise is at 05:54 and sunset at 17:45 +0330.
Sunshine
The average sunshine in September is 10.4h.UV index
The average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index, 6 during September, leads to the following recommendations:
Prevent overexposure. Protection from the sun's harmful effects is needed. Between 10 a.m. and 4 p.m., the Sun emits the most powerful UV radiation. Limit direct exposure to the Sun during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot in Najafdar during September?
What are the most humid months?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Najafdar have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Najafdar have in September?
How high is the UV index in September?
Average temperature in September
Najafdar, Iran
- Average high temperature in September: 28.6°C
The warmest months (with the highest average high temperature) are July and August (31.3°C).
The months with the lowest average high temperature are January and February (12.8°C).
- Average low temperature in September: 19.1°C
The month with the highest average low temperature is July (21.7°C).
The coldest month (with the lowest average low temperature) is February (4.8°C).
Average pressure in September
Najafdar, Iran
- Average pressure in September: 1013.6mbar
The month with the highest atmospheric pressure is December (1021.4mbar).
The month with the lowest atmospheric pressure is July (1008mbar).
Average wind speed in September
Najafdar, Iran
- Average wind speed in September: 7.9km/h
The windiest months (with the highest average wind speed) are March, April and July (8.5km/h).
The calmest months (with the lowest average wind speed) are November and December (7.1km/h).
Average humidity in September
Najafdar, Iran
- Average humidity in September: 67%
The months with the highest relative humidity are September and November (67%).
The month with the lowest relative humidity is May (58%).
Average rainfall in September
Najafdar, Iran
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is October (56mm).
The driest month (with the least rainfall) is June (7mm).
Average rainfall days in September
Najafdar, Iran
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is March (11.9 days).
The month with the least rainy days is July (5 days).
Average snowfall in September
Najafdar, Iran
- Average snowfall in September: 0mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Najafdar, Iran
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Najafdar, Iran
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in September
Najafdar, Iran
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is May (11.9 days).
Average UV index in September
Najafdar, Iran
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and March (UV index 3).
Average cloud cover in September
Najafdar, Iran
- Average cloud cover in September: 18
The month with the most cloud cover is March (Cloud cover 31).
The month with the least cloud cover is June (Cloud cover 14).
Average visibility in September
Najafdar, Iran
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September and December (10km).
The months with the lowest visibility are January, February, March, April, October and November (9km).
