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
The introduction of September sees an average high-temperature of a still moderately hot 74.3°F (23.5°C), hardly deviating from August. Throughout the nights in September, an average low-temperature of 54.9°F (12.7°C) is noted in Lehigh.Humidity
In September, the average relative humidity in Lehigh is 76%.Rainfall
In September, the rain falls for 12.4 days. Throughout September, 2.6" (66mm) of precipitation is accumulated. Throughout the year, in Lehigh, there are 135.2 rainfall days, and 26.5" (673mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Lehigh.Daylight
The average length of the day in September in Lehigh, Iowa, is 12h and 28min.On the first day of the month, sunrise is at 6:42 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:13 am and sunset at 6:58 pm CDT.
Sunshine
In September, the average sunshine in Lehigh is 9.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests this advice:
Exercise prevention - Protecting skin and eyes from harm is required. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Lehigh?
What is the average humidity in September in Lehigh?
How much does it rain in Lehigh in September?
When it does not snow in Lehigh?
Does it snow in Lehigh in September?
How many hours of daylight does Lehigh have in September?
When are sunrise and sunset in September in Lehigh?
How long on average sun shines in September in Lehigh?
How high is the UV index in September in Lehigh?
Average temperature in September
Lehigh, IA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 54.9°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).
Average pressure in September
Lehigh, IA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Lehigh, IA
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.2mph).
Average humidity in September
Lehigh, IA
- Average humidity in September: 76%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Lehigh, IA
- Average rainfall in September: 2.6"
The wettest month (with the highest rainfall) is June (4.02").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Lehigh, IA
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is June (18.1 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Lehigh, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Lehigh, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lehigh, IA
- Average daylight in September: 12h and 3min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Lehigh, IA
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Lehigh, 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
Lehigh, IA
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is September (Cloud cover 31).
Average visibility in September
Lehigh, 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).
Lehigh, Iowa, USA
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