September weather forecastDavis City, IA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Davis City, Iowa, with an average temperature fluctuating between 56.3°F (13.5°C) and 76.1°F (24.5°C).Temperature
The arrival of September signals a subtle shift in temperature, down from 82°F (27.8°C) in August to a still warm 76.1°F (24.5°C). Davis City, during September, witnesses an average low-temperature of 56.3°F (13.5°C).Humidity
In September, the average relative humidity is 76%.Rainfall
In Davis City, in September, it is raining for 10.5 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 124.4 rainfall days, and 21.42" (544mm) of precipitation is accumulated.Snowfall
In Davis City, snow does not fall in June through September.Daylight
In Davis City, Iowa, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:58 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Davis City, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 5 during September translates into the following guidance:
Make use of precautions - Suggestions to resist sunburn are communicated. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Davis City, IA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (30.7°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Davis City, 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 (29.89"Hg).
Average wind speed in September
Davis City, IA
- Average wind speed in September: 7.8mph
The windiest months (with the highest average wind speed) are January, February and March (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Davis City, IA
- Average humidity in September: 76%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Davis City, IA
- Average rainfall in September: 2.2"
The wettest month (with the highest rainfall) is June (3.43").
The driest months (with the least rainfall) are January, February and December (0.71").
Average rainfall days in September
Davis City, IA
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (17.3 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Davis City, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Davis City, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Davis City, 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 18min
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 30min).
Average sunshine days in September
Davis City, IA
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is December (21.5 days).
The month with the least sunshine days is May (11.4 days).
Average UV index in September
Davis City, IA
- Average UV index in September: 5
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, October, November and December (UV index 2).
Average cloud cover in September
Davis City, IA
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in September
Davis City, 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).





