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
September witnesses a gentle descent in average high-temperature, descending from August's moderately hot 80.6°F (27°C) to a still warm 75.2°F (24°C). Cosgrove, in September, observes a steady average low-temperature of 55.8°F (13.2°C).Humidity
The average relative humidity in September is 76%.Rainfall
In Cosgrove, in September, during 12 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Cosgrove, during the entire year, the rain falls for 140.4 days and collects up to 29.57" (751mm) of precipitation.Snowfall
May through September are months without snowfall in Cosgrove, Iowa.Daylight
In Cosgrove, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:33 am and sunset at 7:39 pm. On the last day of September, in Cosgrove, sunrise is at 7:03 am and sunset at 6:49 pm CDT.
Sunshine
The average sunshine in September in Cosgrove is 9.3h.UV index
In September, the average daily maximum UV index in Cosgrove is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the average September temperature in Cosgrove?
What is the average humidity in September in Cosgrove?
How many days does it rain in September in Cosgrove?
When it does not snow in Cosgrove?
Does it snow in Cosgrove in September?
What is the average length of the day in September in Cosgrove?
When are sunrise and sunset in September in Cosgrove?
How long on average sun shines in September in Cosgrove?
How high is the UV index in September in Cosgrove?
Average temperature in September
Cosgrove, IA
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.3°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in September
Cosgrove, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Cosgrove, IA
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in September
Cosgrove, IA
- Average humidity in September: 76%
The months with the highest relative humidity are January and July (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Cosgrove, IA
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is May (4.69").
The driest months (with the least rainfall) are January and February (1.34").
Average rainfall days in September
Cosgrove, IA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (5 days).
Average snowfall in September
Cosgrove, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Cosgrove, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 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
Cosgrove, 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 12min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Cosgrove, IA
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10 days).
Average UV index in September
Cosgrove, IA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Cosgrove, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Cosgrove, IA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Cosgrove, Iowa, USA
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