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
Frith Spur's transition into September involves a gentle shift in temperature, receding from a warm 78.6°F (25.9°C) in August to a pleasant 72.5°F (22.5°C). An average minimum temperature of 53.2°F (11.8°C) marks the month of September in Frith Spur.Humidity
In September, the average relative humidity is 80%.Rainfall
In Frith Spur, Iowa, during September, the rain falls for 11.4 days and regularly aggregates up to 2.6" (66mm) of precipitation. In Frith Spur, during the entire year, the rain falls for 135.3 days and collects up to 27.4" (696mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
The average length of the day in September in Frith Spur is 12h and 28min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:36 pm. On the last day of September, in Frith Spur, sunrise is at 6:59 am and sunset at 6:45 pm CDT.
Sunshine
In Frith Spur, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Frith Spur is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Frith Spur in September?
What is the average humidity in September in Frith Spur?
How many days does it rain in September in Frith Spur?
When it does not snow in Frith Spur?
Does it snow in Frith Spur in September?
What is the average length of the day in September in Frith Spur?
What time are sunrise and sunset in September in Frith Spur?
How many hours of sunshine does Frith Spur have in September?
What is the UV index intensity in September in Frith Spur?
Average temperature in September
Frith Spur, 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 (25°F).
- Average low temperature in September: 53.2°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (12.4°F).
Average pressure in September
Frith Spur, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Frith Spur, IA
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.8mph).
Average humidity in September
Frith Spur, IA
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Frith Spur, IA
- Average rainfall in September: 2.6"
The wettest months (with the highest rainfall) are May and June (3.7").
The driest months (with the least rainfall) are January and February (1.14").
Average rainfall days in September
Frith Spur, IA
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (4.4 days).
Average snowfall in September
Frith Spur, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.88").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Frith Spur, 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 May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Frith Spur, IA
- Average daylight in September: 12h and 3min
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: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Frith Spur, IA
- Average sunshine days in September: 17.2 days
The months with the most sunshine days are November and December (17.5 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in September
Frith Spur, IA
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Frith Spur, IA
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Frith Spur, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Frith Spur, Iowa, USA
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