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 snowfall in September
- Average snowfall 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 weather during September records an average high-temperature of a still hot 87.3°F (30.7°C), closely mirroring the preceding month. In Merry Hell, the nighttime temperature averages to an enjoyable 67.3°F (19.6°C) during September.Heat index
During September, the heat index is evaluated at a torrid 100.4°F (38°C). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.In the scope of the heat index, its values resonate with shade and light wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', combines air temperature and relative humidity to represent a human perceived temperature equivalent. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Recognize that direct exposure to the sun can escalate the heat effect, potentially adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are especially crucial for babies and toddlers. 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.
The body's inherent cooling system operates through perspiration, wherein evaporating sweat offsets excessive heat. An upsurge in relative humidity affects normal body cooling mechanisms by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When heat gain exceeds the level the body can remove, body temperature begins to rise, and heat-related illnesses and disorders may develop.
Humidity
The average relative humidity in September is 74%.Rainfall
In September, in Merry Hell, the rain falls for 14.2 days. Throughout September, 1.73" (44mm) of precipitation is accumulated. In Merry Hell, during the entire year, the rain falls for 151.1 days and collects up to 22.28" (566mm) of precipitation.Snowfall
In Merry Hell, snow does not fall in March through November.Daylight
The average length of the day in September is 12h and 21min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:22 pm. On the last day of September, in Merry Hell, sunrise is at 6:52 am and sunset at 6:44 pm CDT.
Sunshine
In Merry Hell, the average sunshine in September is 9.4h.UV index
In Merry Hell, Mississippi, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. Avoid direct sunlight between the hours of 10 a.m. and 4 p.m., when UV radiation is at its peak. Keep in mind that shade structures may not provide complete protection. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Frequently asked questions
Is it hot in Merry Hell during September?
What is the average humidity in September in Merry Hell?
How many days does it rain in September in Merry Hell?
When it does not snow in Merry Hell?
What is the average length of the day in September in Merry Hell?
What time are sunrise and sunset in September in Merry Hell?
How long on average sun shines in September in Merry Hell?
How high is the UV index in September in Merry Hell?
Average temperature in September
Merry Hell, MS
- Average high temperature in September: 87.3°F
The warmest months (with the highest average high temperature) are July and August (91.4°F).
The month with the lowest average high temperature is January (55.2°F).
- Average low temperature in September: 67.3°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in September
Merry Hell, MS
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in September
Merry Hell, MS
- Average wind speed in September: 5.1mph
The windiest months (with the highest average wind speed) are January and February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Merry Hell, MS
- Average humidity in September: 74%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Merry Hell, MS
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is August (2.76").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in September
Merry Hell, MS
- Average rainfall days in September: 14.2 days
The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (7.5 days).
Average snowfall in September
Merry Hell, MS
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (0.28").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Merry Hell, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Merry Hell, MS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in September
Merry Hell, MS
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is October (21.2 days).
The months with the least sunshine days are July and August (9.3 days).
Average UV index in September
Merry Hell, MS
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Merry Hell, MS
- Average cloud cover in September: 31
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in September
Merry Hell, MS
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Merry Hell, Mississippi, USA
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