September weather forecastDenver, IN
September
Weather in September
September, the first month of the autumn in Denver, is also a moderately hot month, with an average temperature varying between 55.9°F (13.3°C) and 74.3°F (23.5°C).Temperature
The beginning of September records an average high-temperature of a still moderately hot 74.3°F (23.5°C), almost echoing the conditions of the previous month. During the month of September, Denver experiences a steady low-temperature average of 55.9°F (13.3°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In Denver, in September, during 12.9 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Denver, Indiana, during the entire year, the rain falls for 157.1 days and collects up to 23.27" (591mm) of precipitation.Snowfall
In Denver, snow does not fall in June through September.Daylight
In Denver, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 7:11 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:27 pm EDT.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. When the Sun is at its strongest around midday, find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Denver, IN
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 55.9°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in September
Denver, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Denver, IN
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in September
Denver, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January, February, July, August and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Denver, IN
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in September
Denver, IN
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Denver, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Denver, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Denver, IN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 6min
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 30min).
Average sunshine days in September
Denver, IN
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in September
Denver, IN
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Denver, IN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Denver, IN
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
