September weather forecastNajaf, Iraq
September
Weather in September
September signals the onset of fall in Najaf and ushers in a respite from the intense summers. The decrease in temperature is noticeable from the intense heat of August. Daylight shrinks to 12.4 hours, implying a reduction of exposure to the sun. A marginal increase in atmospheric pressure and a reduction in wind speed set the precedent for the coming months. The return to comfortable weather commences in September.Temperature
Najaf's progression into September involves a minor drop in the average high-temperature, slightly receding from a burning hot 45.3°C (113.5°F) in August to a blisteringly hot 41.2°C (106.2°F). In September, the temperature in Najaf sees a substantial plunge from daytime highs to a low average of 28.5°C (83.3°F).Humidity
The average relative humidity in September in Najaf is 15%.Rainfall
In Najaf, Iraq, rain does not fall in June through September.Daylight
In September, the average length of the day in Najaf, Iraq, is 12h and 22min.On the first day of the month, sunrise is at 05:38 and sunset at 18:26. On the last day of September, in Najaf, Iraq, sunrise is at 05:56 and sunset at 17:48 +03.
Sunshine
In Najaf, Iraq, the average sunshine in September is 11.6h.UV index
In Najaf, the average daily maximum UV index in September is 8. A UV Index value of 8 to 10 symbolizes a very high health hazard from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 8 in September translates into these instructions:
Being careless can result in skin and eye damage. Always take the necessary safety measures. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Najaf, Iraq
- Average high temperature in September: 41.2°C
The warmest months (with the highest average high temperature) are July and August (45.3°C).
The month with the lowest average high temperature is January (17.6°C).
- Average low temperature in September: 28.5°C
The month with the highest average low temperature is July (33.4°C).
The coldest month (with the lowest average low temperature) is January (9.4°C).
Average pressure in September
Najaf, Iraq
- Average pressure in September: 1005.9mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is July (998.8mbar).
Average wind speed in September
Najaf, Iraq
- Average wind speed in September: 13.2km/h
The windiest month (with the highest average wind speed) is July (17.9km/h).
The calmest month (with the lowest average wind speed) is November (11.6km/h).
Average humidity in September
Najaf, Iraq
- Average humidity in September: 15%
The month with the highest relative humidity is January (43%).
The month with the lowest relative humidity is July (11%).
Average rainfall in September
Najaf, Iraq
- Average rainfall in September: 0mm
The wettest month (with the highest rainfall) is November (15mm).
The driest months (with the least rainfall) are June, July, August and September (0mm).
Average rainfall days in September
Najaf, Iraq
- Average rainfall days in September: 0.2 days
The months with the highest number of rainy days are March and April (5.5 days).
The month with the least rainy days is August (0 days).
Average daylight in September /
Average sunshine in September
Najaf, Iraq
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 11h and 36min
The month with the most sunshine is August (Average sunshine: 12h and 30min).
The month with the least sunshine is January (Average sunshine: 7h and 0min).
Average sunshine days in September
Najaf, Iraq
- Average sunshine days in September: 29.5 days
The month with the most sunshine days is August (30.9 days).
The month with the least sunshine days is April (23.2 days).
Average UV index in September
Najaf, Iraq
- Average UV index in September: 8
The month with the highest UV index is July (UV index 10).
The months with the lowest UV index are January and December (UV index 4).
Average cloud cover in September
Najaf, Iraq
- Average cloud cover in September: 2
The month with the most cloud cover is January (Cloud cover 18).
The months with the least cloud cover are July and August (Cloud cover 1).
Average visibility in September
Najaf, Iraq
- 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).
