September weather forecastBradford, IA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Bradford, Iowa, with temperature in the range of an average high of 72.5°F (22.5°C) and an average low of 54.3°F (12.4°C).Temperature
Transition into September subtly marks a drop in the average high-temperature, moderately moving from a moderately hot 78.3°F (25.7°C) in August to a pleasant 72.5°F (22.5°C). Bradford throughout September, experiences an average nighttime temperature of 54.3°F (12.4°C).Humidity
In September, the average relative humidity is 77%.Rainfall
In Bradford, during September, the rain falls for 12.5 days and regularly aggregates up to 2.56" (65mm) of precipitation. In Bradford, during the entire year, the rain falls for 146.2 days and collects up to 29.69" (754mm) of precipitation.Snowfall
In Bradford, snow does not fall in June through September.Daylight
In Bradford, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:55 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The average daily UV index of 4 in September transforms into the following instructions:
Be vigilant - Preventing sunburn is recommended. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bradford, IA
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in September
Bradford, IA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Bradford, IA
- Average wind speed in September: 8.5mph
The windiest months (with the highest average wind speed) are January and April (10.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.2mph).
Average humidity in September
Bradford, IA
- Average humidity in September: 77%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Bradford, IA
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is June (4.69").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Bradford, IA
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is June (20.2 days).
The month with the least rainy days is February (4 days).
Average snowfall in September
Bradford, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Bradford, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bradford, IA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Bradford, IA
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is June (7.8 days).
Average UV index in September
Bradford, IA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Bradford, IA
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in September
Bradford, IA
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).





