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
September is characterized by a slight reduction in average high-temperature, easing from 81.7°F (27.6°C) in August to a still warm 76.1°F (24.5°C). Mediapolis encounters an average low-temperature of 56.7°F (13.7°C) during September nights.Humidity
In Mediapolis, the average relative humidity in September is 75%.Rainfall
In Mediapolis, in September, it is raining for 10.1 days, with typically 2.01" (51mm) of accumulated precipitation. Throughout the year, in Mediapolis, Iowa, there are 130.4 rainfall days, and 21.81" (554mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In Mediapolis, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:36 pm. On the last day of September, in Mediapolis, Iowa, sunrise is at 7:01 am and sunset at 6:47 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Act with care - The need to guard against sun damage is communicated. The Sun's radiation is especially intense around midday; try to stay in shade during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are the temperatures in Mediapolis in September?
What is the average humidity in September in Mediapolis?
How much does it rain in Mediapolis in September?
When it does not snow in Mediapolis?
Does it snow in Mediapolis in September?
What is the average length of the day in September in Mediapolis?
When are sunrise and sunset in September in Mediapolis?
How long on average sun shines in September in Mediapolis?
How high is the UV index in September in Mediapolis?
Average temperature in September
Mediapolis, IA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in September
Mediapolis, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Mediapolis, IA
- Average wind speed in September: 7.9mph
The windiest months (with the highest average wind speed) are January, February, March and April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Mediapolis, IA
- Average humidity in September: 75%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Mediapolis, IA
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is December (0.87").
Average rainfall days in September
Mediapolis, IA
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (4.7 days).
Average snowfall in September
Mediapolis, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Mediapolis, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10 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
Mediapolis, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Mediapolis, IA
- Average sunshine days in September: 17.9 days
The months with the most sunshine days are October and December (18.5 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in September
Mediapolis, 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
Mediapolis, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Mediapolis, IA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Mediapolis, Iowa, USA
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