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
September denotes a minimal variation in the average high-temperature to a still hot 87.8°F (31°C) from August's 91.6°F (33.1°C). In September, the average low-temperature records at a comfortable 67.6°F (19.8°C) during the nights.Heat index
September's average heat index is calculated to be a fiery hot 102.2°F (39°C). Incorporate additional preventive steps, heat exhaustion and heat cramps are possible. Long-lasting activity may cause heatstroke.Keep in mind the heat index values are meant for areas in shade and with light wind. When exposed to the direct sun, the heat index may augment by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', is a single figure representing how weather conditions feel when combining temperature and humidity. The effect of weather is individual, with a variety of people experiencing it differently due to distinctions in body mass, height, and level of activity. It is essential to be conscious of the fact that direct sunlight can intensify the felt heat, leading to an elevation in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant 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.
When faced with excessive heat, the human body begins to perspire, utilizing the cooling benefits of sweat evaporation. Under high air temperature coupled with high humidity (high heat index), the body's perspiration is reduced, intensifying the sensation of heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
In Walsh, the average relative humidity in September is 73%.Rainfall
In Walsh, Mississippi, in September, during 15 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, there are 169.7 rainfall days, and 38.82" (986mm) of precipitation is accumulated.Snowfall
In Walsh, snow does not fall in April through October.Daylight
In Walsh, the average length of the day in September is 12h and 22min.On the first day of September, sunrise is at 6:38 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:48 pm CDT.
Sunshine
The average sunshine in September is 9.8h.UV index
In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 6 turns into the following recommendations:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September?
What is the average humidity in September?
How many days does it rain in September in Walsh?
When it does not snow?
How many hours of daylight does Walsh have in September?
When are sunrise and sunset in September in Walsh?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Walsh, MS
- Average high temperature in September: 87.8°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in September: 67.6°F
The month with the highest average low temperature is July (72.7°F).
The coldest month (with the lowest average low temperature) is January (39.6°F).
Average pressure in September
Walsh, 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
Walsh, MS
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Walsh, MS
- Average humidity in September: 73%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Walsh, MS
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is November (2.28").
Average rainfall days in September
Walsh, MS
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is October (8.9 days).
Average snowfall in September
Walsh, 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
Walsh, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (1 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
Walsh, MS
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in September: 9h and 5min
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: 5h and 0min).
Average sunshine days in September
Walsh, MS
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is August (9.9 days).
Average UV index in September
Walsh, 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
Walsh, MS
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in September
Walsh, 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).
Walsh, Mississippi, USA
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