September weather forecastRienzi, MS
September
Weather in September
September, the first month of the autumn in Rienzi, is still a warm month, with temperature in the range of an average high of 84.7°F (29.3°C) and an average low of 64.6°F (18.1°C).Temperature
September's weather records an average high-temperature of a moderately hot 84.7°F (29.3°C), showing little deviation from August. Rienzi's temperature tends to fall to an average low of 64.6°F (18.1°C) during the nights of September.Heat index
September's 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.Take note of the fact that heat index values are based on shaded circumstances with light airflows. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', measures the perceived warmth when incorporating the humidity present in the air. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular importance 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.
Humidity
In September, the average relative humidity in Rienzi is 73%.Rainfall
In September, in Rienzi, Mississippi, the rain falls for 12.7 days. Throughout September, 2.01" (51mm) of precipitation is accumulated. In Rienzi, during the entire year, the rain falls for 158.6 days and collects up to 32.95" (837mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Rienzi, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:27 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 6:39 pm CDT.
Sunshine
The average sunshine in September in Rienzi is 9.2h.UV index
The average daily maximum UV index in September in Rienzi, Mississippi, is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Act with care - The suggestion to avoid sunburn is emphasized. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rienzi, MS
- Average high temperature in September: 84.7°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (48.4°F).
- Average low temperature in September: 64.6°F
The month with the highest average low temperature is July (70.5°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in September
Rienzi, 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
Rienzi, 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 (4.5mph).
Average humidity in September
Rienzi, MS
- Average humidity in September: 73%
The months with the highest relative humidity are March and December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Rienzi, MS
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is February (3.94").
The driest month (with the least rainfall) is November (1.85").
Average rainfall days in September
Rienzi, MS
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in September
Rienzi, MS
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Rienzi, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Rienzi, MS
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Rienzi, MS
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Rienzi, 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
Rienzi, MS
- Average cloud cover in September: 29
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Rienzi, 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).
