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
Hillman ushers in September with an average high-temperature of a still tropical 87.6°F (30.9°C), showing a close resemblance to the previous month. Hillman's temperature lowers to a mean of 69.6°F (20.9°C) during the nights in September.Heat index
For most parts of September, the heat index is calculated to be a very hot 102.2°F (39°C). Extra safeguards are necessary to prevent heat exhaustion and heat cramps. Prolonged activity might cause heatstroke.Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Direct sunlight might lead to a heat index increase by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', gauges the sensation of temperature factoring in the air's moisture content. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. It is important to note that direct sunlight can intensify the weather impact, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Youngsters typically face more danger than adults since they sweat less. Their larger skin surface compared to their small bodies and heightened heat production from their activities augment their vulnerability.
Perspiration is the body's default response to elevated temperatures, as it promotes the evaporation of sweat to achieve cooling. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. The body is at risk of dehydration and related complications when it fails to shed excessive heat.
Humidity
In Hillman, the average relative humidity in September is 76%.Rainfall
In Hillman, in September, during 18.1 rainfall days, 2.72" (69mm) of precipitation is typically accumulated. Throughout the year, there are 172.4 rainfall days, and 32.48" (825mm) of precipitation is accumulated.Snowfall
February through November are months without snowfall.Daylight
In Hillman, Mississippi, the average length of the day in September is 12h and 20min.On the first day of September, sunrise is at 6:31 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:40 pm CDT.
Sunshine
In Hillman, the average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 5 in September suggests the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Hillman have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Hillman have in September?
What is the UV index reading in September?
Average temperature in September
Hillman, MS
- Average high temperature in September: 87.6°F
The warmest months (with the highest average high temperature) are July and August (91.6°F).
The month with the lowest average high temperature is January (58.6°F).
- Average low temperature in September: 69.6°F
The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).
Average pressure in September
Hillman, 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
Hillman, MS
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.2mph).
Average humidity in September
Hillman, MS
- Average humidity in September: 76%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Hillman, MS
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is August (4.57").
The driest month (with the least rainfall) is November (1.73").
Average rainfall days in September
Hillman, MS
- Average rainfall days in September: 18.1 days
The month with the highest number of rainy days is July (23.6 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in September
Hillman, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.35").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Hillman, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.6 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
Hillman, 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 48min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in September
Hillman, MS
- Average sunshine days in September: 10.2 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (5.1 days).
Average UV index in September
Hillman, MS
- Average UV index in September: 5
The months with the highest UV index are May, 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
Hillman, MS
- Average cloud cover in September: 29
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in September
Hillman, MS
- Average visibility in September: 5mi
The months with the highest visibility are June, July, August, October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, September and December (5mi).
Hillman, Mississippi, USA
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