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
Hatley records an average high-temperature of a warm 85.8°F (29.9°C) in September, closely mirroring the climate of the previous month. During the month of September, the nighttime temperature falls to an average of 65.5°F (18.6°C).Heat index
The heat index in September is evaluated at a very hot 95°F (35°C). Ensure heightened precautions, risk of heat cramps and heat exhaustion is significant. Sustained activity could provoke heatstroke.The standards for the heat index are set for locations in shade and under light breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is a single figure representing how weather conditions feel when combining temperature and humidity. The influence of weather is personal, with a diverse population experiencing it differently due to differences in body mass, stature, and degree of activity. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
In the face of high temperatures, the human body's reflex is to perspire, leveraging sweat evaporation for cooling. 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 surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
In Hatley, the average relative humidity in September is 72%.Rainfall
In September, the rain falls for 11.9 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. Throughout the year, there are 161.3 rainfall days, and 40.91" (1039mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Hatley is 12h and 22min.On the first day of September, sunrise is at 6:27 am and sunset at 7:19 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 6:38 pm CDT.
Sunshine
In Hatley, the average sunshine in September is 9.2h.UV index
In Hatley, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Take precautions - Protection against skin and eye damage is obliged. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
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 in Hatley?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Hatley have in September?
How high is the UV index in September?
Average temperature in September
Hatley, MS
- Average high temperature in September: 85.8°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (50.4°F).
- Average low temperature in September: 65.5°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in September
Hatley, MS
- Average pressure in September: 30"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
Hatley, MS
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Hatley, MS
- Average humidity in September: 72%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Hatley, MS
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is February (4.45").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in September
Hatley, MS
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in September
Hatley, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Hatley, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Hatley, 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 and July (Average sunshine: 10h and 24min).
The months with the least sunshine are February and December (Average sunshine: 4h and 36min).
Average sunshine days in September
Hatley, MS
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (20 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Hatley, MS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Hatley, MS
- Average cloud cover in September: 29
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Hatley, MS
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Hatley, Mississippi, USA
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