September weather forecastWhitewater, IN
September
Weather in September
September, the first month of the autumn in Whitewater, is still a warm month, with an average temperature fluctuating between 74.8°F (23.8°C) and 56.7°F (13.7°C).Temperature
Entering September, the average high-temperature is recorded at a still moderately hot 74.8°F (23.8°C), exhibiting a minimal shift from August's 79.3°F (26.3°C). In the month of September, the temperature generally rests at an average low of 56.7°F (13.7°C).Humidity
In Whitewater, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 14.3 days and accumulates 2.09" (53mm) of precipitation.Snowfall
In Whitewater, Indiana, snow does not fall in May through September.Daylight
In Whitewater, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:10 pm. On the last day of September, sunrise is at 7:35 am and sunset at 7:22 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The daily maximum UV index of 4 in September interprets into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Whitewater, IN
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).
Average pressure in September
Whitewater, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Whitewater, IN
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).
Average humidity in September
Whitewater, IN
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Whitewater, IN
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (4.25").
The driest month (with the least rainfall) is September (2.09").
Average rainfall days in September
Whitewater, IN
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Whitewater, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.23").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Whitewater, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.4 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
Whitewater, IN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Whitewater, IN
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (17 days).
The month with the least sunshine days is May (9.1 days).
Average UV index in September
Whitewater, IN
- 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, February, October, November and December (UV index 2).
Average cloud cover in September
Whitewater, IN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Whitewater, IN
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, July, August, October, November and December (6mi).
The months with the lowest visibility are January and September (5mi).
