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 transition into September involves a small decrease in the average high-temperature, dipping slightly from 82.8°F (28.2°C) in August to a still moderately hot 76.5°F (24.7°C). During September, the average low-temperature is recorded at a refreshing 57.4°F (14.1°C).Humidity
The average relative humidity in September is 75%.Rainfall
In September, the rain falls for 10.7 days. Throughout September, 2.44" (62mm) of precipitation is accumulated. In Cantril, during the entire year, the rain falls for 136.6 days and collects up to 28.5" (724mm) of precipitation.Snowfall
In Cantril, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Cantril, sunrise is at 6:36 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:51 pm CDT.
Sunshine
In Cantril, the average sunshine in September is 9.4h.UV index
In Cantril, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What are the temperatures in Cantril in September?
What is the average humidity in September in Cantril?
How much does it rain in Cantril in September?
When it does not snow in Cantril?
Does it snow in Cantril in September?
What is the average length of the day in September in Cantril?
What time are sunrise and sunset in September in Cantril?
How long on average sun shines in September in Cantril?
What is the UV index intensity in September in Cantril?
Average temperature in September
Cantril, IA
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (31.3°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Cantril, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Cantril, IA
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in September
Cantril, IA
- Average humidity in September: 75%
The month with the highest relative humidity is June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Cantril, IA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is June (4.09").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in September
Cantril, IA
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is June (17.9 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Cantril, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cantril, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 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
Cantril, IA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Cantril, IA
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is December (19.7 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in September
Cantril, IA
- Average UV index in September: 4
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, November and December (UV index 2).
Average cloud cover in September
Cantril, IA
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in September
Cantril, 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).
Cantril, Iowa, USA
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