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
Clear Lake, Indiana, sees the arrival of September with an average high-temperature of an agreeable 72.5°F (22.5°C), indicating a subtle variation from August. September brings an average low-temperature of 54.3°F (12.4°C) to Clear Lake.Humidity
In September, the average relative humidity is 80%.Rainfall
The months with the least rainfall in Clear Lake are September, November and December Rain falls for 14.1 days and accumulates 1.85" (47mm) of rain.Snowfall
June through September are months without snowfall in Clear Lake.Daylight
In Clear Lake, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 7:06 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 7:22 pm EDT.
Sunshine
In Clear Lake, Indiana, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index in Clear Lake is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are the temperatures in Clear Lake in September?
What is the average humidity in September in Clear Lake?
What is the driest month in Clear Lake?
How much does it rain in Clear Lake in September?
When it does not snow in Clear Lake?
Does it snow in Clear Lake in September?
How many hours of daylight does Clear Lake have in September?
When is the sunrise / sunset in September in Clear Lake?
How long on average sun shines in September in Clear Lake?
What is the UV index intensity in September in Clear Lake?
Average temperature in September
Clear Lake, IN
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 54.3°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
Clear Lake, IN
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Clear Lake, IN
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Clear Lake, IN
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are March, April and October (77%).
Average rainfall in September
Clear Lake, IN
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is April (3.98").
The driest months (with the least rainfall) are September, November and December (1.85").
Average rainfall days in September
Clear Lake, IN
- Average rainfall days in September: 14.1 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in September
Clear Lake, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.72").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Clear Lake, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clear Lake, IN
- 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 12min).
- Average sunshine in September: 8h and 0min
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 0min).
Average sunshine days in September
Clear Lake, IN
- Average sunshine days in September: 13.5 days
The month with the most sunshine days is November (13.8 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in September
Clear Lake, IN
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Clear Lake, IN
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Clear Lake, IN
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, July, October and November (6mi).
The months with the lowest visibility are January, February, August, September and December (5mi).
Clear Lake, Indiana, USA
Weather forecast for your location
2. Allow the app to use your location
