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 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
Weather in September
Temperature
September signals a high temperature of a still warm 28.8°C (83.8°F), showing little variation from August. Nighttime temperature experiences an average drop to an agreeable 21.5°C (70.7°F) in September.Heat index
For September, the heat index is appraised at a hot 30°C (86°F). If activity and exposure persist, they could induce fatigue, leading to possible heat cramps.It is essential to grasp that the heat index's numbers are for shade and light wind settings. A direct sunlight exposure may boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', gives an indication of how one might feel in terms of heat after considering humidity. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
The average relative humidity in September is 53%.Rainfall
In September, the rain falls for 27.3 days. Throughout September, 174mm (6.85") of precipitation is accumulated. In Najd al `Azab, during the entire year, the rain falls for 204.2 days and collects up to 983mm (38.7") of precipitation.Daylight
The average length of the day in September is 12h and 13min.On the first day of September, sunrise is at 05:50 and sunset at 18:14. On the last day of the month, sunrise is at 05:52 and sunset at 17:52 +03.
Sunshine
In September, the average sunshine is 10.9h.UV index
In Najd al `Azab, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum high daily UV index of 6 during September translates into the following directions:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. Avoid direct Sun exposure and stay in the shade between 10 a.m. and 4 p.m., a time when UV radiation is most intense, noting that not all shade structures offer full protection. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Najd al `Azab have in September?
What is the UV index reading in September?
Average temperature in September
Najd al `Azab, Yemen
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is June (30.8°C).
The month with the lowest average high temperature is January (22.7°C).
- Average low temperature in September: 21.5°C
The month with the highest average low temperature is June (23.4°C).
The coldest month (with the lowest average low temperature) is January (14.8°C).
Average pressure in September
Najd al `Azab, Yemen
- Average pressure in September: 1008.7mbar
The month with the highest atmospheric pressure is January (1015.7mbar).
The month with the lowest atmospheric pressure is July (1005.6mbar).
Average wind speed in September
Najd al `Azab, Yemen
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is July (9.9km/h).
The calmest months (with the lowest average wind speed) are September and October (6km/h).
Average humidity in September
Najd al `Azab, Yemen
- Average humidity in September: 53%
The month with the highest relative humidity is January (64%).
The month with the lowest relative humidity is June (44%).
Average rainfall in September
Najd al `Azab, Yemen
- Average rainfall in September: 174mm
The wettest month (with the highest rainfall) is August (192mm).
The driest month (with the least rainfall) is January (11mm).
Average rainfall days in September
Najd al `Azab, Yemen
- Average rainfall days in September: 27.3 days
The month with the highest number of rainy days is August (29.3 days).
The month with the least rainy days is February (8.1 days).
Average daylight in September /
Average sunshine in September
Najd al `Azab, Yemen
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 10h and 5min
The months with the most sunshine are May and June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).
Average sunshine days in September
Najd al `Azab, Yemen
- Average sunshine days in September: 1.3 days
The month with the most sunshine days is January (18.5 days).
The month with the least sunshine days is August (0.9 days).
Average UV index in September
Najd al `Azab, Yemen
- Average UV index in September: 6
The months with the highest UV index are May, June and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 5).
Average cloud cover in September
Najd al `Azab, Yemen
- Average cloud cover in September: 18
The months with the most cloud cover are July and August (Cloud cover 29).
The month with the least cloud cover is October (Cloud cover 13).
Average visibility in September
Najd al `Azab, Yemen
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (10km).
The month with the lowest visibility is August (9km).
Najd al `Azab, Yemen
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