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
As Jonestown steps into September, the average high-temperature is measured at a moderately hot 84.9°F (29.4°C), displaying minor differences from August's 88.7°F (31.5°C). Jonestown, in September, experiences an average temperature of 66.2°F (19°C) at night.Heat index
The heat index value during September is computed to be a tropical 93.2°F (34°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.In terms of the heat index, values are set with light wind and shade conditions in mind. Heat index values may be hiked up by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'apparent temperature', measures the perceived warmth when incorporating the humidity present in the air. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Exposure to direct sun rays can influence the heat you feel, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In Jonestown, the average relative humidity in September is 72%.Rainfall
The month with the least rainfall is September, when the rain falls for 13.2 days and typically collects 2.05" (52mm) of precipitation.Snowfall
In Jonestown, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:35 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:56 am and sunset at 6:46 pm CDT.
Sunshine
In September, the average sunshine is 9.7h.UV index
In Jonestown, Mississippi, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
How hot is September in Jonestown?
What is the average humidity in September in Jonestown?
What is the driest month in Jonestown?
How much does it rain in Jonestown in September?
When it does not snow in Jonestown?
What is the average length of the day in September in Jonestown?
When is the sunrise / sunset in September in Jonestown?
How many hours of sunshine does Jonestown have in September?
What is the UV index intensity in September in Jonestown?
Average temperature in September
Jonestown, MS
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in September: 66.2°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (35.8°F).
Average pressure in September
Jonestown, 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 (29.95"Hg).
Average wind speed in September
Jonestown, MS
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Jonestown, MS
- Average humidity in September: 72%
The months with the highest relative humidity are February, March and December (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Jonestown, MS
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is April (5.04").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in September
Jonestown, MS
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is August (18.3 days).
The months with the least rainy days are October and November (9.6 days).
Average snowfall in September
Jonestown, MS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Jonestown, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jonestown, 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 4min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Jonestown, MS
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is October (19.8 days).
The month with the least sunshine days is August (10.8 days).
Average UV index in September
Jonestown, 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 and December (UV index 3).
Average cloud cover in September
Jonestown, MS
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Jonestown, 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).
Jonestown, Mississippi, USA
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