September weather forecastJericho, MS
September
Weather in September
The first month of the autumn, September, is still a warm month in Jericho, Mississippi, with temperature in the range of an average low of 64.8°F (18.2°C) and an average high of 84.9°F (29.4°C).Temperature
With the onset of September, Jericho's average high-temperature slightly adjusts, moderately receding from August's tropical 90.3°F (32.4°C) to a moderately hot 84.9°F (29.4°C). Throughout the nights in September, an average low-temperature of 64.8°F (18.2°C) is noted.Heat index
Throughout September, the heat index is estimated at a hot 93.2°F (34°C). More safety actions are required, heat exhaustion and heat cramps are probable. Long-term activity may precipitate heatstroke.Realize that the values for the heat index are set for shaded places and light winds. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
In Jericho, the average relative humidity in September is 72%.Rainfall
September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 2.24" (57mm) of precipitation.Snowfall
In Jericho, snow does not fall in April through October.Daylight
In Jericho, the average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:28 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
The average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jericho, MS
- Average high temperature in September: 84.9°F
The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in September: 64.8°F
The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in September
Jericho, 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
Jericho, MS
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in September
Jericho, 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
Jericho, MS
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is February (4.29").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in September
Jericho, MS
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in September
Jericho, MS
- Average snowfall in September: 0"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Jericho, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.8 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
Jericho, MS
- Average daylight in September: 12h and 24min
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 6min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Jericho, MS
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in September
Jericho, MS
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Jericho, MS
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Jericho, 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).





