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
Dinan observes a minor difference in average high-temperatures between August's 90.5°F (32.5°C) and September's 87.1°F (30.6°C). Throughout September, the temperature in Dinan, Mississippi, tends to fall to a consistent average low of 68.4°F (20.2°C).Heat index
September's heat index is estimated at a sweltering 102.2°F (39°C). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.Heat index evaluations are typically in the context of light winds and shaded environments. The heat index might be elevated by 15 Fahrenheit (8 Celsius) degrees due to direct sun exposure.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is an aggregate value of air's warmth and moisture to show the human-felt temperature. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Given direct exposure to sunlight, one might experience a rise in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
When it comes to cooling down, the human body's primary method is through perspiration, making use of sweat evaporation to eliminate excess heat. With excessive moisture in the atmosphere, the effectiveness of the evaporation process is decreased, causing the body to cool down less efficiently, leading to a sensation of overheating. When heat gain surpasses the level the body can shed, body temperature begins to increase, and consequently, overheating and dehydration can occur, with varying severity.
Humidity
The average relative humidity in September in Dinan, Mississippi, is 77%.Rainfall
In Dinan, during September, the rain falls for 16.9 days and regularly aggregates up to 2.56" (65mm) of precipitation. Throughout the year, in Dinan, there are 174 rainfall days, and 34.29" (871mm) of precipitation is accumulated.Snowfall
In Dinan, snow does not fall in April through November.Daylight
In Dinan, Mississippi, the average length of the day in September is 12h and 20min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:23 pm. On the last day of September, in Dinan, Mississippi, sunrise is at 6:54 am and sunset at 6:46 pm CDT.
Sunshine
In Dinan, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 6 in September translates into the following instructions:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Dinan?
What is the average humidity in September in Dinan?
How much does it rain in Dinan in September?
When it does not snow in Dinan?
How many hours of daylight does Dinan have in September?
When are sunrise and sunset in September in Dinan?
How long on average sun shines in September in Dinan?
What is the UV index intensity in September in Dinan?
Average temperature in September
Dinan, MS
- Average high temperature in September: 87.1°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in September: 68.4°F
The months with the highest average low temperature are July and August (72.7°F).
The coldest month (with the lowest average low temperature) is January (40.3°F).
Average pressure in September
Dinan, MS
- Average pressure in September: 29.98"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in September
Dinan, MS
- Average wind speed in September: 4.8mph
The windiest months (with the highest average wind speed) are February and April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in September
Dinan, MS
- Average humidity in September: 77%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Dinan, MS
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is November (1.93").
Average rainfall days in September
Dinan, MS
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in September
Dinan, MS
- Average snowfall in September: 0"
The months with the highest snowfall are January and December (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Dinan, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Dinan, MS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Dinan, MS
- Average sunshine days in September: 11.2 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (8.5 days).
Average UV index in September
Dinan, MS
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in September
Dinan, MS
- Average cloud cover in September: 33
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in September
Dinan, MS
- Average visibility in September: 5mi
The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).
Dinan, Mississippi, USA
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