September weather forecastBloomingdale, IN
September
Weather in September
September, the first month of the autumn in Bloomingdale, is still a warm month, with an average temperature fluctuating between 76.1°F (24.5°C) and 57.9°F (14.4°C).Temperature
The beginning of September reveals an average high-temperature of a still warm 76.1°F (24.5°C), showing minimal deviation from the previous month. Nighttime temperatures in September average to a moderate 57.9°F (14.4°C).Humidity
In Bloomingdale, the average relative humidity in September is 77%.Rainfall
In Bloomingdale, during September, the rain falls for 10.9 days and regularly aggregates up to 1.1" (28mm) of precipitation. Throughout the year, there are 138.6 rainfall days, and 19.09" (485mm) of precipitation is accumulated.Snowfall
In Bloomingdale, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 7:17 am and sunset at 8:19 pm. On the last day of September, sunrise is at 7:44 am and sunset at 7:32 pm EDT.
Sunshine
In Bloomingdale, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index is 5. 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 5 translates into these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bloomingdale, IN
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 57.9°F
The month with the highest average low temperature is July (65.1°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in September
Bloomingdale, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Bloomingdale, IN
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).
Average humidity in September
Bloomingdale, IN
- Average humidity in September: 77%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Bloomingdale, IN
- Average rainfall in September: 1.1"
The wettest months (with the highest rainfall) are April and May (2.52").
The driest month (with the least rainfall) is February (1.06").
Average rainfall days in September
Bloomingdale, IN
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (6.9 days).
Average snowfall in September
Bloomingdale, IN
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Bloomingdale, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Bloomingdale, IN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Bloomingdale, IN
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is May (10 days).
Average UV index in September
Bloomingdale, IN
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Bloomingdale, IN
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and September (Cloud cover 31).
Average visibility in September
Bloomingdale, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





