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
Stringtown's weather subtly changes with the onset of September, barely falling from a warm 81.1°F (27.3°C) in August to a still moderately hot 75.6°F (24.2°C). In Stringtown, an average low-temperature of 56.1°F (13.4°C) is recorded during September nights.Humidity
In September, the average relative humidity is 76%.Rainfall
In September, the rain falls for 10.4 days. Throughout September, 1.5" (38mm) of precipitation is accumulated. In Stringtown, during the entire year, the rain falls for 115.1 days and collects up to 19.21" (488mm) of precipitation.Snowfall
In Stringtown, snow does not fall in May through September.Daylight
In September, the average length of the day in Stringtown is 12h and 27min.On the first day of September in Stringtown, sunrise is at 6:45 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:01 pm CDT.
Sunshine
In Stringtown, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Frequently asked questions
What is the temperature in September in Stringtown?
What is the average humidity in September in Stringtown?
How many days does it rain in September in Stringtown?
When it does not snow in Stringtown?
Does it snow in Stringtown in September?
What is the average length of the day in September in Stringtown?
When is the sunrise / sunset in September in Stringtown?
How long on average sun shines in September in Stringtown?
What is the UV index reading in September in Stringtown?
Average temperature in September
Stringtown, IA
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (16°F).
Average pressure in September
Stringtown, 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 (29.88"Hg).
Average wind speed in September
Stringtown, IA
- Average wind speed in September: 8.2mph
The windiest months (with the highest average wind speed) are March and April (10.5mph).
The calmest month (with the lowest average wind speed) is July (7mph).
Average humidity in September
Stringtown, IA
- Average humidity in September: 76%
The months with the highest relative humidity are January and June (81%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Stringtown, IA
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is June (3.74").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in September
Stringtown, IA
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is February (3 days).
Average snowfall in September
Stringtown, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.28").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Stringtown, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stringtown, 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 1min
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 24min).
Average sunshine days in September
Stringtown, IA
- Average sunshine days in September: 17.5 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is May (12 days).
Average UV index in September
Stringtown, IA
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Stringtown, IA
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are July and September (Cloud cover 29).
Average visibility in September
Stringtown, 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).
Stringtown, Iowa, USA
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