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 transition from August to September brings an average high-temperature of a warm 85.1°F (29.5°C), barely different from August's 90.3°F (32.4°C). During the nights in September, an average low-temperature of 65.3°F (18.5°C) is observed.Heat index
In September, the average heat index is evaluated at a hot 93.2°F (34°C). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.One should consider that heat index numbers are for shaded settings and light wind. Exposure to the sun directly might heighten the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Children often fail to understand the importance of rest and rehydration. Thirst is a late manifestation of dehydration - hence, it is crucial to stay hydrated, especially during ongoing physical activities.
Humidity
In September, the average relative humidity is 72%.Rainfall
In Palmetto, during September, the rain falls for 11.5 days and regularly aggregates up to 1.81" (46mm) of precipitation. Throughout the year, there are 159.4 rainfall days, and 32.09" (815mm) of precipitation is accumulated.Snowfall
In Palmetto, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:29 am and sunset at 7:20 pm. On the last day of September, sunrise is at 6:49 am and sunset at 6:40 pm CDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: An average maximum UV index of 5 in September leads to these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Stay sun-safe with clothing that is both closely woven and worn loosely.
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?
How many days does it rain in September in Palmetto?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Palmetto, MS
- Average high temperature in September: 85.1°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (49.5°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in September
Palmetto, 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
Palmetto, MS
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in September
Palmetto, 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
Palmetto, MS
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is July (3.46").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in September
Palmetto, MS
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in September
Palmetto, MS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Palmetto, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.9 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
Palmetto, 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 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Palmetto, MS
- Average sunshine days in September: 16 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Palmetto, 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
Palmetto, MS
- Average cloud cover in September: 28
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 28).
Average visibility in September
Palmetto, 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).
Palmetto, Mississippi, USA
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