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 average high-temperature slightly decreases in September, shifting from a warm 82.6°F (28.1°C) in August to a still moderately hot 77°F (25°C). September nights in Pilot Grove are marked by an average low-temperature of 57.4°F (14.1°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In Pilot Grove, in September, during 12 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, in Pilot Grove, there are 145.2 rainfall days, and 28.98" (736mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Pilot Grove.Daylight
In September, the average length of the day in Pilot Grove is 12h and 27min.On the first day of September, sunrise is at 6:33 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 6:49 pm CDT.
Sunshine
In September, the average sunshine in Pilot Grove, Iowa, is 9.5h.UV index
In September, the average daily maximum UV index in Pilot Grove is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Frequently asked questions
What are the temperatures in Pilot Grove in September?
What is the average humidity in September in Pilot Grove?
How much does it rain in Pilot Grove in September?
When it does not snow in Pilot Grove?
Does it snow in Pilot Grove in September?
What is the average length of the day in September in Pilot Grove?
What time are sunrise and sunset in September in Pilot Grove?
How many hours of sunshine does Pilot Grove have in September?
What is the UV index intensity in September in Pilot Grove?
Average temperature in September
Pilot Grove, IA
- Average high temperature in September: 77°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 57.4°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Pilot Grove, 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
Pilot Grove, IA
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in September
Pilot Grove, IA
- Average humidity in September: 75%
The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Pilot Grove, IA
- Average rainfall in September: 2.28"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is December (1.38").
Average rainfall days in September
Pilot Grove, IA
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.9 days).
Average snowfall in September
Pilot Grove, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.41").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Pilot Grove, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.2 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
Pilot Grove, 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 3min
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 12min).
Average sunshine days in September
Pilot Grove, IA
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (9.2 days).
Average UV index in September
Pilot Grove, 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
Pilot Grove, IA
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 54).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in September
Pilot Grove, 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).
Pilot Grove, Iowa, USA
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