September weather forecast
Arbo, MS

englishespañol中文
Share

Weather in September

The first month of the autumn, September, is still a tropical month in Arbo, Mississippi, with an average temperature varying between 67.8°F (19.9°C) and 87.4°F (30.8°C).

Temperature

As Arbo steps into September, the average high-temperature holds at a still hot 87.4°F (30.8°C), hinting at a minor fluctuation from the prior month. Arbo's nighttime temperature in September falls to an average of 67.8°F (19.9°C).

Heat index

September's mean heat index is evaluated at a very hot 102.2°F (39°C). Adopt additional preventive measures, heat cramps and heat exhaustion are potential outcomes. Prolonged activity may trigger heatstroke.
Thinking about the heat index, one should account for its values in shaded areas with gentle breezes. Exposure to direct sunshine can increase heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is the outcome of merging air's temperature and its humidity metrics. This effect is personal, influenced by the individual's physical activity and heat sensitivity, shaped by factors including wind, attire, and metabolic variations. It is noteworthy to mention that direct sunlight exposure can augment the felt temperature, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for babies and toddlers. Youngsters are usually more at risk than adults, considering they sweat less. Additionally, their high skin surface area compared to their little bodies and their high heat production due to activity increases their risk.
The process of perspiration is vital for the human body to get rid of excess warmth by allowing sweat to evaporate. During conditions of high air temperature and humidity (high heat index), the body's ability to perspire is inhibited, increasing the sensation of warmth. Heat-related complications, like dehydration, can manifest if the body's heat gain exceeds its dissipation capacity.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Arbo, during September, the rain falls for 15 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Arbo, during the entire year, the rain falls for 168 days and collects up to 34.17" (868mm) of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In Arbo, the average length of the day in September is 12h and 21min.
On the first day of the month, sunrise is at 6:34 am and sunset at 7:22 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:44 pm CDT.

Sunshine

In September, the average sunshine is 9.3h.

UV index

In Arbo, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 5 in September translates into the following instructions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.

Frequently asked questions

Is it hot during September?

In September, in Arbo, the average high-temperature is 87.4°F (30.8°C), and the average low-temperature is 67.8°F (19.9°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 102.2°F (39°C).

What is the average humidity in September?

In Arbo, the average relative humidity in September is 75%.

How many days does it rain in September in Arbo?

In Arbo, in September, it is raining for 15 days, with typically 2.56" (65mm) of accumulated precipitation.

When it does not snow?

In Arbo, snow does not fall in April through November.

What is the average length of the day in September?

In September, the average day length is 12h and 21min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:34 am and sunset at 7:22 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:44 pm CDT.

How long on average sun shines in September?

In September, the average sunshine duration is 9.3h.

How high is the UV index in September?

In Arbo, Mississippi, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Arbo, MS

Average temperature in September - Arbo, MS
  • Average high temperature in September: 87.4°F

The warmest month (with the highest average high temperature) is August (91.4°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in September: 67.8°F

The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (39°F).

Average pressure in September
Arbo, MS

Average pressure in September - Arbo, MS
  • Average pressure in September: 29.99"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
Arbo, MS

Average wind speed in September - Arbo, MS
  • Average wind speed in September: 5mph

The windiest months (with the highest average wind speed) are January, February and April (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

Average humidity in September
Arbo, MS

Average humidity in September - Arbo, MS
  • Average humidity in September: 75%

The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).

Average rainfall in September
Arbo, MS

Average rainfall in September - Arbo, MS
  • Average rainfall in September: 2.56"

The wettest month (with the highest rainfall) is December (3.74").
The driest month (with the least rainfall) is November (2.01").

Average rainfall days in September
Arbo, MS

Average rainfall days in September - Arbo, MS
  • Average rainfall days in September: 15 days

The month with the highest number of rainy days is August (20.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in September
Arbo, MS

Average snowfall in September - Arbo, MS
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in September
Arbo, MS

Average snowfall days in September - Arbo, MS
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (0.3 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
Arbo, MS

Average daylight in September / Average sunshine in September - Arbo, MS
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days in September
Arbo, MS

Average sunshine days in September - Arbo, MS
  • Average sunshine days in September: 13.4 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is August (9 days).

Average UV index in September
Arbo, MS

Average UV index in September - Arbo, 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 and December (UV index 3).

Average cloud cover in September
Arbo, MS

Average cloud cover in September - Arbo, MS
  • Average cloud cover in September: 31

The months with the most cloud cover are February and December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
Arbo, MS

Average visibility in September - Arbo, MS
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).

Arbo, Mississippi, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location