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
Theo's weather in September, with an average high-temperature of a warm 84°F (28.9°C), subtly shifts from August's 89.2°F (31.8°C). Throughout September, Theo's nights cool down to an average of 63.7°F (17.6°C).Heat index
September's heat index is calculated to be a tropical 91.4°F (33°C). Implement additional safety measures to avoid heat cramps and heat exhaustion. Persistent activity might trigger heatstroke.Heat index evaluations are typically in the context of light winds and shaded environments. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly important for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
Humidity
The average relative humidity in September is 74%.Rainfall
The month with the least rainfall in Theo is September, when the rain falls for 13.5 days and typically collects 2.01" (51mm) of precipitation.Snowfall
In Theo, snow does not fall in April through October.Daylight
In Theo, Mississippi, 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 6:39 pm CDT.
Sunshine
In September, the average sunshine is 9h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 5 during September leads to these advisories:
Undertake protective steps - Recommendations to avoid sunburn are issued. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Frequently asked questions
Is it hot in Theo during September?
What is the average humidity in September in Theo?
What is the driest month in Theo?
How many days does it rain in September in Theo?
When it does not snow in Theo?
How many hours of daylight does Theo have in September?
What time are sunrise and sunset in September in Theo?
How many hours of sunshine does Theo have in September?
How high is the UV index in September in Theo?
Average temperature in September
Theo, MS
- Average high temperature in September: 84°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (47.5°F).
- Average low temperature in September: 63.7°F
The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (32.9°F).
Average pressure in September
Theo, 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
Theo, MS
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in September
Theo, MS
- Average humidity in September: 74%
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
Theo, MS
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is February (4.69").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Theo, MS
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in September
Theo, 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
Theo, MS
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 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
Theo, MS
- Average daylight in September: 12h and 2min
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 0min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).
Average sunshine days in September
Theo, MS
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Theo, 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
Theo, MS
- Average cloud cover in September: 30
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June, August and September (Cloud cover 30).
Average visibility in September
Theo, MS
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and May (5mi).
Theo, Mississippi, USA
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