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
With September's onset, the weather reveals a slight temperature decrease, transitioning from 81.1°F (27.3°C) in August to a still moderately hot 75.6°F (24.2°C). In September, the average low-temperature in Lenox records at a mild 56.1°F (13.4°C) during the nights.Humidity
In September, the average relative humidity is 76%.Rainfall
In Lenox, Iowa, during September, the rain falls for 10.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, in Lenox, there are 115.1 rainfall days, and 19.21" (488mm) of precipitation is accumulated.Snowfall
In Lenox, snow does not fall in May through September.Daylight
In Lenox, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:50 pm. On the last day of September, in Lenox, sunrise is at 7:14 am and sunset at 7:01 pm CDT.
Sunshine
In Lenox, the average sunshine in September is 9.2h.UV index
In September, the average daily maximum UV index in Lenox is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a regular UV index of 5 translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What is the usual temperature for Lenox in September?
What is the average humidity in September in Lenox?
How many days does it rain in September in Lenox?
When it does not snow in Lenox?
Does it snow in Lenox in September?
How many hours of daylight does Lenox have in September?
When is the sunrise / sunset in September in Lenox?
How many hours of sunshine does Lenox have in September?
What is the UV index intensity in September in Lenox?
Average temperature in September
Lenox, 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
Lenox, 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
Lenox, 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
Lenox, 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
Lenox, 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
Lenox, 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
Lenox, 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
Lenox, 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
Lenox, 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
Lenox, 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
Lenox, 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
Lenox, 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
Lenox, 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).
Lenox, Iowa, USA
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