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
In September, the average high-temperature marginally decreases from a hot 90.3°F (32.4°C) in August to a warm 84.9°F (29.4°C). During September, Chapelville witnesses a consistent average low-temperature of 64.8°F (18.2°C).Heat index
For September, the heat index is appraised at a hot 93.2°F (34°C). Take more caution, heat exhaustion and heat cramps may occur. Long-lasting activity may cause heatstroke.Research indicates the heat index considers values in shaded locales and with light winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', shows a temperature sensation when both heat and moisture conditions are combined. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. Direct sunlight can potentially raise the heat index by 15 Fahrenheit (8 Celsius) degrees, so it's crucial to consider. Heat index values hold particular significance for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
Humidity
In Chapelville, the average relative humidity in September is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 2.24" (57mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:20 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:39 pm CDT.
Sunshine
In Chapelville, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index in Chapelville is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 5 during September translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot does it get in September?
What is the average humidity in September?
What is the driest month?
How many days does it rain in September in Chapelville?
When it does not snow?
How many hours of daylight does Chapelville have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Chapelville have in September?
How high is the UV index in September?
Average temperature in September
Chapelville, MS
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 64.8°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in September
Chapelville, 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
Chapelville, MS
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Chapelville, MS
- Average humidity in September: 72%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Chapelville, MS
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is February (4.29").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in September
Chapelville, MS
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Chapelville, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Chapelville, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Chapelville, MS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Chapelville, MS
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in September
Chapelville, 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
Chapelville, MS
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Chapelville, MS
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Chapelville, Mississippi, USA
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