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
In September, the average high-temperature marginally drops from 80.2°F (26.8°C) in August to a still warm 74.8°F (23.8°C). In Harcourt, the expected average low-temperature for September is a mild 55.9°F (13.3°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In Harcourt, in September, during 11.6 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. Throughout the year, in Harcourt, there are 126.1 rainfall days, and 26.85" (682mm) of precipitation is accumulated.Snowfall
In Harcourt, snow does not fall in June through September.Daylight
In Harcourt, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:42 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 6:59 pm CDT.
Sunshine
In September, the average sunshine in Harcourt, Iowa, is 9.2h.UV index
In Harcourt, Iowa, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Frequently asked questions
What is the usual temperature for Harcourt in September?
What is the average humidity in September in Harcourt?
How many days does it rain in September in Harcourt?
When it does not snow in Harcourt?
Does it snow in Harcourt in September?
What is the average length of the day in September in Harcourt?
When is the sunrise / sunset in September in Harcourt?
How long on average sun shines in September in Harcourt?
How high is the UV index in September in Harcourt?
Average temperature in September
Harcourt, IA
- Average high temperature in September: 74.8°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 (26.8°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in September
Harcourt, IA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Harcourt, IA
- Average wind speed in September: 8.2mph
The windiest month (with the highest average wind speed) is April (10.7mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Harcourt, IA
- Average humidity in September: 75%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Harcourt, IA
- Average rainfall in September: 3.03"
The wettest month (with the highest rainfall) is May (4.06").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Harcourt, IA
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is June (16.7 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Harcourt, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Harcourt, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Harcourt, IA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 1min
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 0min).
Average sunshine days in September
Harcourt, IA
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (19 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Harcourt, IA
- Average UV index in September: 4
The months with the highest UV index are June and July (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
Harcourt, IA
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in September
Harcourt, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Harcourt, Iowa, USA
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