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
September's arrival signals a modest temperature shift, moving from a moderately hot 27.1°C (80.8°F) in August to a tropical 31.5°C (88.7°F). Marked by a significant temperature drop from daytime highs, the average nighttime temperature in Thornwood lowers to an enjoyable 18.3°C (64.9°F) throughout September.Heat index
In September, the average heat index is evaluated at a hot 33°C (91.4°F). Adopt heightened safety measures, heat cramps and heat exhaustion may occur. Sustained activity might cause heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'real feel' or 'feels like', gives a temperature feeling by integrating air temperature and humidity. The effect is personal, with varied weather perceptions among individuals due to differences in body mass, stature, and physical activity. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humidity
The least humid month in Thornwood is September, with an average relative humidity of 48%.Rainfall
September is the month with the least rainfall in Thornwood. Rain falls for 5.2 days and accumulates 7mm (0.28") of precipitation.Daylight
In September, the average length of the day in Thornwood is 12h and 1min.On the first day of September, sunrise is at 05:42 and sunset at 17:31. On the last day of the month, sunrise is at 05:19 and sunset at 17:34 CAT.
Sunshine
September has the most sunshine of the year, with an average of 9.5h of sunshine.UV index
The months with the highest UV index are September and October, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 7 translates into these guidelines:
Undertake precautions and comply with sun safety standards. Protection from skin and eye injury is vital. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Thornwood?
What is the least humid month in Thornwood?
What is the average humidity in September in Thornwood?
What is the driest month in Thornwood?
How much does it rain in Thornwood in September?
How many hours of daylight does Thornwood have in September?
When are sunrise and sunset in September in Thornwood?
What month has the most sunshine in Thornwood?
How long on average sun shines in September in Thornwood?
What is the month with the highest UV index in Thornwood?
What is the UV index intensity in September in Thornwood?
Average temperature in September
Thornwood, Malawi
- Average high temperature in September: 31.5°C
The warmest month (with the highest average high temperature) is October (32.9°C).
The month with the lowest average high temperature is July (22.9°C).
- Average low temperature in September: 18.3°C
The month with the highest average low temperature is December (21.2°C).
The coldest month (with the lowest average low temperature) is July (13.3°C).
Average pressure in September
Thornwood, Malawi
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is July (1021.5mbar).
The month with the lowest atmospheric pressure is January (1010.3mbar).
Average wind speed in September
Thornwood, Malawi
- Average wind speed in September: 7.8km/h
The windiest month (with the highest average wind speed) is October (8.4km/h).
The calmest month (with the lowest average wind speed) is February (5.5km/h).
Average humidity in September
Thornwood, Malawi
- Average humidity in September: 48%
The month with the highest relative humidity is March (87%).
The month with the lowest relative humidity is September (48%).
Average rainfall in September
Thornwood, Malawi
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is January (220mm).
The driest month (with the least rainfall) is September (7mm).
Average rainfall days in September
Thornwood, Malawi
- Average rainfall days in September: 5.2 days
The month with the highest number of rainy days is January (25.8 days).
The month with the least rainy days is September (5.2 days).
Average daylight in September /
Average sunshine in September
Thornwood, Malawi
- Average daylight in September: 12h and 0min
The month with the longest days is December (Average daylight: 13h and 6min).
The month with the shortest days is June (Average daylight: 11h and 12min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is September (Average sunshine: 9h and 30min).
The month with the least sunshine is July (Average sunshine: 6h and 6min).
Average sunshine days in September
Thornwood, Malawi
- Average sunshine days in September: 24.2 days
The month with the most sunshine days is September (24.2 days).
The month with the least sunshine days is January (3.8 days).
Average UV index in September
Thornwood, Malawi
- Average UV index in September: 7
The months with the highest UV index are September and October (UV index 7).
The months with the lowest UV index are April, May, June and July (UV index 5).
Average cloud cover in September
Thornwood, Malawi
- Average cloud cover in September: 16
The months with the most cloud cover are March and April (Cloud cover 56).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in September
Thornwood, Malawi
- Average visibility in September: 10km
The months with the highest visibility are September and October (10km).
The month with the lowest visibility is April (6km).
Thornwood, Malawi
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