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
The onset of September is marked by a minor decrease in temperature, transitioning from a hot 89.8°F (32.1°C) in August to a moderately hot 82.4°F (28°C). September's nights in Tecumseh exhibit a sharp contrast from day highs, with an average temperature of 60.3°F (15.7°C).Heat index
The average heat index in September is estimated at a tropical 87.8°F (31°C). Exposure and extended activity could potentially cause a state of fatigue and lead to heat cramps.When referencing the heat index, its values are suitable for shady environments and light breezes. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', marries air temperature and humidity to produce a value illustrating perceived warmth. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Do note, being directly under sun rays can amplify the heat you feel, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. In general, children are more at risk than adults because they sweat less. Furthermore, the large skin surface compared to their small bodies and the high heat production due to their actions contribute to this vulnerability.
Humidity
The average relative humidity in September in Tecumseh is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.8 days and typically collects 1.73" (44mm) of precipitation.Snowfall
In Tecumseh, snow does not fall in April through October.Daylight
In Tecumseh, Missouri, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:36 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:53 pm CDT.
Sunshine
In Tecumseh, Missouri, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Frequently asked questions
How hot does it get in Tecumseh in September?
What is the average humidity in September in Tecumseh?
What is the driest month in Tecumseh?
How many days does it rain in September in Tecumseh?
When it does not snow in Tecumseh?
How many hours of daylight does Tecumseh have in September?
What time are sunrise and sunset in September in Tecumseh?
How many hours of sunshine does Tecumseh have in September?
What is the UV index intensity in September in Tecumseh?
Average temperature in September
Tecumseh, MO
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (44.2°F).
- Average low temperature in September: 60.3°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (28.2°F).
Average pressure in September
Tecumseh, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Tecumseh, MO
- Average wind speed in September: 4.7mph
The windiest months (with the highest average wind speed) are January, February, March and April (7mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Tecumseh, MO
- Average humidity in September: 74%
The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July, August and October (73%).
Average rainfall in September
Tecumseh, MO
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is May (4.33").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Tecumseh, MO
- Average rainfall days in September: 10.8 days
The month with the highest number of rainy days is May (15.9 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Tecumseh, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.77").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Tecumseh, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tecumseh, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).
Average sunshine days in September
Tecumseh, MO
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (20.4 days).
The month with the least sunshine days is May (12.7 days).
Average UV index in September
Tecumseh, MO
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Tecumseh, MO
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 49).
The months with the least cloud cover are June and July (Cloud cover 30).
Average visibility in September
Tecumseh, MO
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, October, November and December (6mi).
The months with the lowest visibility are April, May, June, July, August and September (5mi).
Tecumseh, Missouri, USA
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