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 commencement of September introduces an average high-temperature of a warm 84°F (28.9°C), closely mirroring the preceding month. The average temperature in Allentown drops to a refreshing 63.7°F (17.6°C) during the night in the month of September.Heat index
For most parts of September, the heat index is appraised at a tropical 91.4°F (33°C). Exercise heightened safety, heat cramps and heat exhaustion are probable. Persistent activity may provoke heatstroke.Evaluating the heat index requires understanding its values in the shade and with gentle winds. The heat index could experience an increase of 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. 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 hold particular importance 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 in Allentown, Mississippi, is 74%.Rainfall
The month with the least rainfall in Allentown is September, when the rain falls for 13.5 days and typically collects 2.01" (51mm) of precipitation.Snowfall
In Allentown, snow does not fall in April through October.Daylight
In Allentown, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:27 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:39 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
In September, the average daily maximum UV index in Allentown, Mississippi, is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily high UV index of 5 in September leads to these guidelines:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
How hot is September in Allentown?
What is the average humidity in September in Allentown?
What is the driest month in Allentown?
How many days does it rain in September in Allentown?
When it does not snow in Allentown?
What is the average length of the day in September in Allentown?
When are sunrise and sunset in September in Allentown?
How long on average sun shines in September in Allentown?
How high is the UV index in September in Allentown?
Average temperature in September
Allentown, MS
- Average high temperature in September: 84°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in September
Allentown, MS
- Average pressure in September: 30.01"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
Allentown, MS
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in September
Allentown, MS
- Average humidity in September: 74%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Allentown, MS
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is February (4.69").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Allentown, MS
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in September
Allentown, MS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Allentown, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Allentown, MS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Allentown, MS
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Allentown, MS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Allentown, MS
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 30).
Average visibility in September
Allentown, MS
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and May (5mi).
Allentown, Mississippi, USA
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