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
As September arrives, Bloomingdale's weather displays a minor decrease in high-temperatures, transitioning from August's warm 80.2°F (26.8°C) to a still moderately hot 73.6°F (23.1°C). In Bloomingdale, September nights witness a steady temperature drop to a moderate 57.2°F (14°C).Humidity
In September, the average relative humidity is 76%.Rainfall
In September, in Bloomingdale, the rain falls for 10.3 days. Throughout September, 0.83" (21mm) of precipitation is accumulated. In Bloomingdale, Illinois, during the entire year, the rain falls for 119.1 days and collects up to 10.83" (275mm) of precipitation.Snowfall
In Bloomingdale, Illinois, snow does not fall in May through September.Daylight
The average length of the day in September in Bloomingdale is 12h and 28min.On the first day of September, sunrise is at 6:18 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:49 am and sunset at 6:35 pm CDT.
Sunshine
The average sunshine in September in Bloomingdale, Illinois, is 8.8h.UV index
In Bloomingdale, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Take precautions - Protection against sun damage is advised. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Frequently asked questions
What is the usual temperature for Bloomingdale in September?
What is the average humidity in September in Bloomingdale?
How many days does it rain in September in Bloomingdale?
When it does not snow in Bloomingdale?
Does it snow in Bloomingdale in September?
How many hours of daylight does Bloomingdale have in September?
When is the sunrise / sunset in September in Bloomingdale?
How many hours of sunshine does Bloomingdale have in September?
What is the UV index intensity in September in Bloomingdale?
Average temperature in September
Bloomingdale, IL
- Average high temperature in September: 73.6°F
The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (16.7°F).
Average pressure in September
Bloomingdale, IL
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Bloomingdale, IL
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in September
Bloomingdale, IL
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Bloomingdale, IL
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is May (1.65").
The driest months (with the least rainfall) are February, November and December (0.51").
Average rainfall days in September
Bloomingdale, IL
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in September
Bloomingdale, IL
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Bloomingdale, IL
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bloomingdale, IL
- 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 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Bloomingdale, IL
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Bloomingdale, IL
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Bloomingdale, IL
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are July, August and September (Cloud cover 32).
Average visibility in September
Bloomingdale, IL
- 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).
Bloomingdale, Illinois, USA
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