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 arrival of September denotes a barely perceptible change in the average high-temperatures to a still warm 76.6°F (24.8°C) from August's 81.9°F (27.7°C). Stennett, during the month of September, experiences an average low-temperature of 56.5°F (13.6°C).Humidity
In Stennett, the average relative humidity in September is 74%.Rainfall
In Stennett, in September, it is raining for 11.5 days, with typically 1.77" (45mm) of accumulated precipitation. In Stennett, during the entire year, the rain falls for 117.2 days and collects up to 21.77" (553mm) of precipitation.Snowfall
In Stennett, snow does not fall in May through September.Daylight
In September, the average length of the day in Stennett is 12h and 27min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:52 pm. On the last day of September, in Stennett, sunrise is at 7:17 am and sunset at 7:03 pm CDT.
Sunshine
The average sunshine in September is 9.1h.UV index
In Stennett, Iowa, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What are the temperatures in Stennett in September?
What is the average humidity in September in Stennett?
How much does it rain in Stennett in September?
When it does not snow in Stennett?
Does it snow in Stennett in September?
What is the average length of the day in September in Stennett?
When are sunrise and sunset in September in Stennett?
How many hours of sunshine does Stennett have in September?
What is the UV index intensity in September in Stennett?
Average temperature in September
Stennett, IA
- Average high temperature in September: 76.6°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in September
Stennett, IA
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Stennett, IA
- Average wind speed in September: 8.1mph
The windiest months (with the highest average wind speed) are March and April (10.4mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Stennett, IA
- Average humidity in September: 74%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Stennett, IA
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is June (4.06").
The driest months (with the least rainfall) are January and February (0.63").
Average rainfall days in September
Stennett, IA
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is February (2.9 days).
Average snowfall in September
Stennett, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Stennett, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.9 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
Stennett, IA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Stennett, IA
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is December (23.1 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in September
Stennett, IA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Stennett, IA
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Stennett, IA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Stennett, Iowa, USA
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