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
Denham registers an average high-temperature of a still warm 73.9°F (23.3°C) at the commencement of September, closely related to the preceding month. Denham's average low-temperature during September nights is observed to be a moderate 56.7°F (13.7°C).Humidity
The average relative humidity in September in Denham is 79%.Rainfall
In Denham, in September, during 12.5 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, in Denham, there are 156.1 rainfall days, and 22.44" (570mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Denham is 12h and 28min.On the first day of the month, sunrise is at 7:14 am and sunset at 8:19 pm. On the last day of September, sunrise is at 7:43 am and sunset at 7:29 pm EDT.
Sunshine
In Denham, Indiana, the average sunshine in September is 8.4h.UV index
In Denham, Indiana, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Adopt protective measures - Suggestions to resist sunburn are offered. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What are the temperatures in Denham in September?
What is the average humidity in September in Denham?
How many days does it rain in September in Denham?
When it does not snow in Denham?
Does it snow in Denham in September?
What is the average length of the day in September in Denham?
When is the sunrise / sunset in September in Denham?
How long on average sun shines in September in Denham?
How high is the UV index in September in Denham?
Average temperature in September
Denham, IN
- Average high temperature in September: 73.9°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°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Denham, 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
Denham, IN
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Denham, IN
- Average humidity in September: 79%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Denham, IN
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Denham, IN
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Denham, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Denham, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Denham, IN
- Average daylight in September: 12h and 3min
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 2min
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 30min).
Average sunshine days in September
Denham, IN
- Average sunshine days in September: 15 days
The month with the most sunshine days is November (16 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Denham, IN
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Denham, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Denham, IN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Denham, Indiana, USA
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