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 brings an average high-temperature of a still hot 30.2°C (86.4°F), showing a slight difference from August's 31.4°C (88.5°F). In Từ Nham, an average temperature of 25°C (77°F) is noted during September nights.Heat index
The heat index value during September is appraised at a fiery hot 38°C (100.4°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.Heat index determinations are made taking into account the shade and light air movements. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. 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.
The evaporation of sweat is a natural cooling mechanism of the human body, facilitated by perspiration. An elevated level of relative humidity hinders evaporation, leading to decreased heat elimination from the body, inducing a sensation of excess heat. When the heat gained surpasses the body's cooling capacity, temperatures rise, signaling potential health concerns.
Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 24.8 days. Throughout September, 134mm (5.28") of precipitation is accumulated. Throughout the year, there are 260 rainfall days, and 1343mm (52.87") of precipitation is accumulated.Daylight
In Từ Nham, the average length of the day in September is 12h and 13min.On the first day of September, sunrise is at 05:31 and sunset at 17:54. On the last day of the month, sunrise is at 05:32 and sunset at 17:33 +07.
Sunshine
The average sunshine in September is 8.6h.UV index
The months with the highest UV index are March through September, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the average maximum UV index of 7 translates into the following recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. During the period from 10 a.m. to 4 p.m., UV radiation is highest. Try to avoid direct sunlight during these hours. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Từ Nham have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September in Từ Nham?
What is the month with the highest UV index?
What is the UV index reading in September?
Average temperature in September
Từ Nham, Vietnam
- Average high temperature in September: 30.2°C
The warmest month (with the highest average high temperature) is May (31.8°C).
The month with the lowest average high temperature is January (24.5°C).
- Average low temperature in September: 25°C
The month with the highest average low temperature is June (26°C).
The coldest month (with the lowest average low temperature) is February (21.3°C).
Average pressure in September
Từ Nham, Vietnam
- Average pressure in September: 1008.1mbar
The month with the highest atmospheric pressure is January (1014.7mbar).
The month with the lowest atmospheric pressure is July (1006.6mbar).
Average wind speed in September
Từ Nham, Vietnam
- Average wind speed in September: 10.6km/h
The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is May (10.3km/h).
Average humidity in September
Từ Nham, Vietnam
- Average humidity in September: 80%
The month with the highest relative humidity is December (87%).
The months with the lowest relative humidity are June, July and August (76%).
Average rainfall in September
Từ Nham, Vietnam
- Average rainfall in September: 134mm
The wettest month (with the highest rainfall) is November (283mm).
The driest month (with the least rainfall) is March (45mm).
Average rainfall days in September
Từ Nham, Vietnam
- Average rainfall days in September: 24.8 days
The month with the highest number of rainy days is October (27.1 days).
The months with the least rainy days are March and April (14.8 days).
Average daylight in September /
Average sunshine in September
Từ Nham, Vietnam
- 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: 8h and 4min
The month with the most sunshine is June (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 3h and 48min).
Average sunshine days in September
Từ Nham, Vietnam
- Average sunshine days in September: 4.1 days
The month with the most sunshine days is March (12.8 days).
The month with the least sunshine days is December (2.4 days).
Average UV index in September
Từ Nham, Vietnam
- Average UV index in September: 7
The months with the highest UV index are March, April, May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in September
Từ Nham, Vietnam
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 74).
The month with the least cloud cover is May (Cloud cover 27).
Average visibility in September
Từ Nham, Vietnam
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are November and December (9km).
Từ Nham, Vietnam
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