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
September
Weather in September
Temperature
As August turns into September, the average high-temperatures rest at a still tropical 34.9°C (94.8°F), showing a minor variation from the prior month. In Yolo, an average temperature of 24.7°C (76.5°F) is noted during September nights.Heat index
The heat index for September is evaluated at a life-threatening hot 45°C (113°F). Keep on guard: Heat exhaustion and heat cramps are probable. Heatstroke is a possible danger with ongoing physical activity.In reference to the heat index, it's for places in shade and with a slight wind. Exposing to direct sunshine may enhance heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Perspiration, which is the evaporation of sweat, is a primary way the human body manages and dispels excessive warmth. An increase in relative humidity hinders the body's normal cooling function by reducing evaporation, thereby decreasing the rate of body cooling and enhancing the sense of warmth. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.
Humidity
In September, the average relative humidity in Yolo is 61%.Rainfall
In Yolo, during September, the rain falls for 11.7 days and regularly aggregates up to 45mm (1.77") of precipitation. Throughout the year, in Yolo, there are 69.7 rainfall days, and 299mm (11.77") of precipitation is accumulated.Daylight
In Yolo, the average length of the day in September is 12h and 12min.On the first day of the month, sunrise is at 06:11 and sunset at 18:33. On the last day of September, in Yolo, sunrise is at 06:11 and sunset at 18:12 GMT.
Sunshine
In September, the average sunshine is 9.5h.UV index
In Yolo, 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 rays for ordinary individuals.Note: In September, an average UV index of 8 transforms into the following instructions:
Prioritize protection; rapid damage can occur to unprotected eyes and skin. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in Yolo in September?
What is the average humidity in September in Yolo?
How much does it rain in Yolo in September?
How many hours of daylight does Yolo have in September?
What time are sunrise and sunset in September in Yolo?
How many hours of sunshine does Yolo have in September?
How high is the UV index in September in Yolo?
Average temperature in September
Yolo, Mali
- Average high temperature in September: 34.9°C
The warmest month (with the highest average high temperature) is April (41.6°C).
The month with the lowest average high temperature is August (33°C).
- Average low temperature in September: 24.7°C
The month with the highest average low temperature is May (29.6°C).
The coldest month (with the lowest average low temperature) is January (17.2°C).
Average pressure in September
Yolo, Mali
- Average pressure in September: 1011.3mbar
The month with the highest atmospheric pressure is January (1013.2mbar).
The month with the lowest atmospheric pressure is April (1007.9mbar).
Average wind speed in September
Yolo, Mali
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (13.2km/h).
The calmest month (with the lowest average wind speed) is October (8.6km/h).
Average humidity in September
Yolo, Mali
- Average humidity in September: 61%
The month with the highest relative humidity is August (68%).
The month with the lowest relative humidity is February (13%).
Average rainfall in September
Yolo, Mali
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is August (128mm).
The driest months (with the least rainfall) are February and December (0mm).
Average rainfall days in September
Yolo, Mali
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is December (0 days).
Average daylight in September /
Average sunshine in September
Yolo, Mali
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 30min).
The month with the least sunshine is November (Average sunshine: 7h and 36min).
Average sunshine days in September
Yolo, Mali
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is December (31 days).
The month with the least sunshine days is August (9.8 days).
Average UV index in September
Yolo, Mali
- Average UV index in September: 8
The months with the highest UV index are April and May (UV index 9).
The month with the lowest UV index is December (UV index 6).
Average cloud cover in September
Yolo, Mali
- Average cloud cover in September: 22
The month with the most cloud cover is August (Cloud cover 34).
The months with the least cloud cover are February and December (Cloud cover 7).
Average visibility in September
Yolo, Mali
- 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).
