September weather forecastMoulton, IA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Moulton, Iowa, with an average temperature ranging between max 76.1°F (24.5°C) and min 56.5°F (13.6°C).Temperature
Start of September brings a slight shift in the average high-temperature, dipping a bit from August's 82°F (27.8°C) to a still warm 76.1°F (24.5°C). An average low-temperature of 56.5°F (13.6°C) is anticipated throughout the nights in Moulton, Iowa, during September.Humidity
In Moulton, Iowa, the average relative humidity in September is 77%.Rainfall
In Moulton, in September, during 12.1 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 143.2 rainfall days, and 27.48" (698mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Moulton, Iowa.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:42 pm. On the last day of September, in Moulton, sunrise is at 7:06 am and sunset at 6:53 pm CDT.
Sunshine
In September, the average sunshine is 9.4h.UV index
The average daily maximum UV index in September in Moulton is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Put precautions into practice - Guidance to elude sunburn is provided. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Moulton, IA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 56.5°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.5°F).
Average pressure in September
Moulton, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Moulton, IA
- Average wind speed in September: 8mph
The windiest months (with the highest average wind speed) are January, February and March (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Moulton, IA
- Average humidity in September: 77%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Moulton, IA
- Average rainfall in September: 2.8"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Moulton, IA
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (5 days).
Average snowfall in September
Moulton, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.33").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Moulton, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Moulton, IA
- Average daylight in September: 12h and 24min
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 24min
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
Moulton, IA
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is June (8.8 days).
Average UV index in September
Moulton, 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
Moulton, 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
Moulton, 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).





