September weather forecastTecumseh, MO
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Tecumseh, Missouri, with temperature in the range of an average high of 82.4°F (28°C) and an average low of 60.3°F (15.7°C).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from a hot 89.8°F (32.1°C) in August to a warm 82.4°F (28°C). Tecumseh records a consistent low-temperature average of 60.3°F (15.7°C) during September, indicating a significant difference from the daytime heat.Heat index
The heat index for September is appraised at a tropical 87.8°F (31°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Remember, direct sunlight exposure can heighten the heat impact and might increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Humidity
In September, the average relative humidity 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
April through October are months without snowfall in Tecumseh.Daylight
In September, the average length of the day is 12h and 24min.On the first day of September, sunrise is at 6:40 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:53 pm CDT.
Sunshine
The average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 24min
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 12min
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).
