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 arrival of September is marked by an average high-temperature of a still warm 28.2°C (82.8°F), bearing a close resemblance to August. Yoff encounters an average temperature dip to a still moderately hot 26.8°C (80.2°F) throughout September, subtly lower than its daytime maximum.Heat index
For September, the heat index is computed to be a tropical 33°C (91.4°F). Adopt special protective actions against heat exhaustion and heat cramps. Long-duration activity risks heatstroke.It is emphasized that the heat index's values are meant for shaded zones with mild winds. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. Awareness is key; direct sunlight can enhance the weather's impact, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Humidity
In Yoff, the average relative humidity in September is 81%.Rainfall
The month with the most rainfall is September, when the rain falls for 13.3 days and typically aggregates up to 88mm (3.46") of precipitation.Daylight
In Yoff, the average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 06:57 and sunset at 19:21. On the last day of September, sunrise is at 06:59 and sunset at 18:59 GMT.
Sunshine
The average sunshine in September is 8.6h.UV index
The months with the highest UV index in Yoff are June through November, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, a daily UV index of 7 turns into the following recommendations:
Persist in precautions and follow sun safety policies. Keeping sunburn at bay is imperative. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Frequently asked questions
Is it hot in Yoff during September?
What is the average humidity in September in Yoff?
What is the rainiest month in Yoff?
How many days does it rain in September in Yoff?
What is the average length of the day in September in Yoff?
When are sunrise and sunset in September in Yoff?
How many hours of sunshine does Yoff have in September?
What is the month with the highest UV index in Yoff?
What is the UV index reading in September in Yoff?
Average temperature in September
Yoff, Senegal
- Average high temperature in September: 28.2°C
The warmest month (with the highest average high temperature) is October (29°C).
The month with the lowest average high temperature is April (22.2°C).
- Average low temperature in September: 26.8°C
The month with the highest average low temperature is October (27.5°C).
The coldest month (with the lowest average low temperature) is March (20.2°C).
Average pressure in September
Yoff, Senegal
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is January (1013.5mbar).
The month with the lowest atmospheric pressure is October (1011.3mbar).
Average wind speed in September
Yoff, Senegal
- Average wind speed in September: 15.2km/h
The windiest month (with the highest average wind speed) is February (27.2km/h).
The calmest month (with the lowest average wind speed) is September (15.2km/h).
Average humidity in September
Yoff, Senegal
- Average humidity in September: 81%
The month with the highest relative humidity is July (82%).
The months with the lowest relative humidity are January and December (59%).
Average rainfall in September
Yoff, Senegal
- Average rainfall in September: 88mm
The wettest month (with the highest rainfall) is September (88mm).
The driest months (with the least rainfall) are January, February, March and December (0mm).
Average rainfall days in September
Yoff, Senegal
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is August (14.2 days).
The months with the least rainy days are February and March (0.3 days).
Average daylight in September /
Average sunshine in September
Yoff, Senegal
- 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: 8h and 4min
The months with the most sunshine are April and May (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 7h and 42min).
Average sunshine days in September
Yoff, Senegal
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is March (30.6 days).
The month with the least sunshine days is August (13.3 days).
Average UV index in September
Yoff, Senegal
- Average UV index in September: 7
The months with the highest UV index are June, July, August, September, October and November (UV index 7).
The months with the lowest UV index are January, February, March, April, May and December (UV index 6).
Average cloud cover in September
Yoff, Senegal
- Average cloud cover in September: 32
The month with the most cloud cover is August (Cloud cover 43).
The month with the least cloud cover is April (Cloud cover 6).
Average visibility in September
Yoff, Senegal
- 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).
Yoff, Senegal
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