September weather forecastDike, IA
September
Weather in September
The first month of the autumn, September, is still a warm month in Dike, Iowa, with an average temperature ranging between max 73.6°F (23.1°C) and min 54.7°F (12.6°C).Temperature
September's advent denotes a minor fluctuation in the average high-temperature to a still warm 73.6°F (23.1°C) from August's 78.6°F (25.9°C). During the month of September, Dike anticipates a mean low-temperature of 54.7°F (12.6°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Dike, Iowa, in September, it is raining for 12.7 days, with typically 2.52" (64mm) of accumulated precipitation. In Dike, during the entire year, the rain falls for 144.6 days and collects up to 30.75" (781mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:07 am and sunset at 6:53 pm CDT.
Sunshine
In Dike, the average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 suggests this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dike, IA
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in September
Dike, IA
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Dike, IA
- Average wind speed in September: 8.3mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7.1mph).
Average humidity in September
Dike, IA
- Average humidity in September: 78%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Dike, IA
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (4.76").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Dike, IA
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (19.6 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Dike, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Dike, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dike, IA
- Average daylight in September: 12h and 30min
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 6min).
- Average sunshine in September: 9h and 18min
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 54min).
Average sunshine days in September
Dike, IA
- Average sunshine days in September: 14.7 days
The months with the most sunshine days are October and November (16.9 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in September
Dike, IA
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Dike, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 30).
Average visibility in September
Dike, 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).





