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
The average high-temperature for September is a still moderately hot 25°C (77°F), closely aligning with the temperature of the preceding month. Sana'a's average low-temperature in September is measured at a comfortable 16.2°C (61.2°F).Humidity
The average relative humidity in September is 33%.Rainfall
In September, the rain falls for 8.9 days. Throughout September, 18mm (0.71") of precipitation is accumulated. In Sana'a, during the entire year, the rain falls for 151.7 days and collects up to 526mm (20.71") of precipitation.Daylight
In Sana'a, 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 18:15. On the last day of the month, sunrise is at 05:52 and sunset at 17:53 +03.
Sunshine
In September, the average sunshine is 11.2h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Sana'a in 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?
What time are sunrise and sunset in September?
How many hours of sunshine does Sana'a have in September?
How high is the UV index in September?
Average temperature in September
Sana'a, Yemen
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is June (26.8°C).
The month with the lowest average high temperature is December (19.7°C).
- Average low temperature in September: 16.2°C
The month with the highest average low temperature is July (18.5°C).
The coldest month (with the lowest average low temperature) is December (9.3°C).
Average pressure in September
Sana'a, Yemen
- Average pressure in September: 1010.1mbar
The month with the highest atmospheric pressure is December (1016.9mbar).
The month with the lowest atmospheric pressure is July (1006.8mbar).
Average wind speed in September
Sana'a, Yemen
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is June (10.6km/h).
The calmest month (with the lowest average wind speed) is January (5.2km/h).
Average humidity in September
Sana'a, Yemen
- Average humidity in September: 33%
The month with the highest relative humidity is August (48%).
The month with the lowest relative humidity is October (29%).
Average rainfall in September
Sana'a, Yemen
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is August (111mm).
The driest months (with the least rainfall) are October and December (5mm).
Average rainfall days in September
Sana'a, Yemen
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is July (26.2 days).
The month with the least rainy days is October (2.5 days).
Average daylight in September /
Average sunshine in September
Sana'a, 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 12min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is May (Average sunshine: 11h and 54min).
The months with the least sunshine are January, November and December (Average sunshine: 7h and 42min).
Average sunshine days in September
Sana'a, Yemen
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (27.5 days).
The month with the least sunshine days is July (2.8 days).
Average UV index in September
Sana'a, Yemen
- Average UV index in September: 5
The months with the highest UV index are May, June and August (UV index 6).
The months with the lowest UV index are November and December (UV index 4).
Average cloud cover in September
Sana'a, Yemen
- Average cloud cover in September: 11
The month with the most cloud cover is July (Cloud cover 36).
The month with the least cloud cover is October (Cloud cover 4).
Average visibility in September
Sana'a, Yemen
- 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).
Sana'a, Yemen
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