September weather forecastLaurel, IA
September
Weather in September
The first month of the autumn, September, is still a warm month in Laurel, Iowa, with an average temperature ranging between min 55.8°F (13.2°C) and max 74.7°F (23.7°C).Temperature
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's 80.2°F (26.8°C) to a still warm 74.7°F (23.7°C). In the month of September, the average low-temperature usually rests at a mild 55.8°F (13.2°C).Humidity
In Laurel, the average relative humidity in September is 77%.Rainfall
In Laurel, in September, it is raining for 11.1 days, with typically 2.68" (68mm) of accumulated precipitation. In Laurel, during the entire year, the rain falls for 132.2 days and collects up to 26.65" (677mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:44 pm. On the last day of September, sunrise is at 7:08 am and sunset at 6:54 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 reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Laurel, IA
- Average high temperature in September: 74.7°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (26.6°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.8°F).
Average pressure in September
Laurel, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Laurel, IA
- Average wind speed in September: 8.1mph
The windiest month (with the highest average wind speed) is April (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Laurel, IA
- Average humidity in September: 77%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Laurel, IA
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Laurel, IA
- Average rainfall days in September: 11.1 days
The months with the highest number of rainy days are May and June (17.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Laurel, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.37").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Laurel, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Laurel, IA
- Average daylight in September: 12h and 30min
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 12min).
- Average sunshine in September: 9h and 24min
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 6min).
Average sunshine days in September
Laurel, IA
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is December (18.1 days).
The month with the least sunshine days is June (10.9 days).
Average UV index in September
Laurel, 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
Laurel, IA
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is September (Cloud cover 29).
Average visibility in September
Laurel, 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).
