September weather forecastDelp, IN
September
Weather in September
September, the first month of the autumn in Delp, is still a warm month, with an average temperature ranging between min 57°F (13.9°C) and max 75.6°F (24.2°C).Temperature
Delp experiences an average high-temperature of a still warm 75.6°F (24.2°C) in September, subtly different from August's 80.2°F (26.8°C). In Delp, in September, the average low-temperature is a refreshing 57°F (13.9°C).Humidity
In Delp, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.2 days and typically collects 1.1" (28mm) of precipitation.Snowfall
In Delp, Indiana, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 7:15 am and sunset at 8:18 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 7:30 pm EDT.
Sunshine
In Delp, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum daily UV index of 5 during September morphs into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Delp, IN
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.8°F).
- Average low temperature in September: 57°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Delp, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Delp, IN
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Delp, IN
- Average humidity in September: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Delp, IN
- Average rainfall in September: 1.1"
The wettest months (with the highest rainfall) are April and May (2.8").
The driest month (with the least rainfall) is September (1.1").
Average rainfall days in September
Delp, IN
- Average rainfall days in September: 11.2 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in September
Delp, IN
- Average snowfall in September: 0"
The months with the highest snowfall are January and February (2.44").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Delp, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Delp, 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 18min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are June and July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Delp, IN
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in September
Delp, IN
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Delp, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 60).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in September
Delp, 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).
