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
The initiation of September records an average high-temperature of a still warm 82.6°F, displaying a near consistency with the previous month. A consistent average low-temperature of 75.9°F, with a minor variance from the daytime highs, is noted during the nights of September.Heat index
September's average heat index is evaluated at a hot 91.4°F. Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.Heat index guidelines indicate values are for light wind scenarios and shaded regions. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines air temperature and relative humidity to represent a human perceived temperature equivalent. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. In direct sunlight, the heat's impact can be heightened, potentially leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young ones regularly neglect the requirement for rest and fluid replenishment. Thirst is a late stage of dehydration - so, it is necessary to keep hydrated, particularly during extended periods of physical exertion.
Humidity
In September, the average relative humidity is 85%.Rainfall
In September, in Makumri, the rain falls for 28.6 days. Throughout September, 8.66" of precipitation is accumulated. Throughout the year, there are 205.9 rainfall days, and 59.33" of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 10min.On the first day of the month, sunrise is at 06:42 and sunset at 18:59. On the last day of September, sunrise is at 06:39 and sunset at 18:42 GMT.
Sunshine
In Makumri, the average sunshine in September is 6.7h.UV index
The months with the highest UV index are January through June, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A typical high UV index of 7 in September suggests the following recommendations:
Evade overexposure. Individuals with fair skin risk burning in under 20 minutes. It's important to stay in the shade and limit exposure to the sun from 10 a.m. to 4 p.m., when UV radiation is most intense, although remember that shade structures may not provide full sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How many days does it rain in September?
How many hours of daylight does Makumri have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Makumri?
When is the highest UV index in Makumri?
What is the UV index reading in September in Makumri?
Average temperature in September
Makumri, Sierra Leone
- Average high temperature in September: 82.6°F
The warmest month (with the highest average high temperature) is January (88.5°F).
The month with the lowest average high temperature is August (81.1°F).
- Average low temperature in September: 75.9°F
The month with the highest average low temperature is May (79.2°F).
The coldest month (with the lowest average low temperature) is August (75°F).
Average pressure in September
Makumri, Sierra Leone
- Average pressure in September: 29.91"Hg
The month with the highest atmospheric pressure is July (29.94"Hg).
The months with the lowest atmospheric pressure are February, March and April (29.84"Hg).
Average wind speed in September
Makumri, Sierra Leone
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is August (7.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in September
Makumri, Sierra Leone
- Average humidity in September: 85%
The month with the highest relative humidity is August (86%).
The month with the lowest relative humidity is January (68%).
Average rainfall in September
Makumri, Sierra Leone
- Average rainfall in September: 8.66"
The wettest month (with the highest rainfall) is August (15.39").
The driest month (with the least rainfall) is February (0.04").
Average rainfall days in September
Makumri, Sierra Leone
- Average rainfall days in September: 28.6 days
The month with the highest number of rainy days is July (30.3 days).
The month with the least rainy days is February (0.8 days).
Average daylight in September /
Average sunshine in September
Makumri, Sierra Leone
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 36min).
The month with the shortest days is December (Average daylight: 11h and 36min).
- Average sunshine in September: 6h and 4min
The month with the most sunshine is February (Average sunshine: 9h and 54min).
The month with the least sunshine is August (Average sunshine: 4h and 48min).
Average sunshine days in September
Makumri, Sierra Leone
- Average sunshine days in September: 0.8 days
The month with the most sunshine days is January (29 days).
The month with the least sunshine days is August (0.5 days).
Average UV index in September
Makumri, Sierra Leone
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, September, October, November and December (UV index 7).
The months with the lowest UV index are July and August (UV index 6).
Average cloud cover in September
Makumri, Sierra Leone
- Average cloud cover in September: 55
The month with the most cloud cover is August (Cloud cover 67).
The month with the least cloud cover is February (Cloud cover 11).
Average visibility in September
Makumri, Sierra Leone
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
