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
As September arrives, Cromwell's weather displays a minor decrease in high-temperatures, transitioning from August's moderately hot 78.3°F (25.7°C) to an agreeable 72.7°F (22.6°C). Cromwell records a consistent low-temperature of 54.5°F (12.5°C) during September nights.Humidity
In Cromwell, the average relative humidity in September is 80%.Rainfall
In Cromwell, in September, it is raining for 13.2 days, with typically 1.89" (48mm) of accumulated precipitation. In Cromwell, during the entire year, the rain falls for 157.5 days and collects up to 28.82" (732mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Cromwell, Indiana, is 12h and 28min.On the first day of the month, sunrise is at 7:09 am and sunset at 8:14 pm. On the last day of September, sunrise is at 7:38 am and sunset at 7:25 pm EDT.
Sunshine
In Cromwell, Indiana, the average sunshine in September is 7.8h.UV index
In Cromwell, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Cromwell?
What is the average humidity in September in Cromwell?
How much does it rain in Cromwell in September?
When it does not snow in Cromwell?
Does it snow in Cromwell in September?
What is the average length of the day in September in Cromwell?
When are sunrise and sunset in September in Cromwell?
How long on average sun shines in September in Cromwell?
What is the UV index reading in September in Cromwell?
Average temperature in September
Cromwell, IN
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.5°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (62.6°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Cromwell, IN
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Cromwell, IN
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Cromwell, IN
- Average humidity in September: 80%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Cromwell, IN
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is December (1.61").
Average rainfall days in September
Cromwell, IN
- Average rainfall days in September: 13.2 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
Cromwell, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cromwell, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cromwell, 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 12min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Cromwell, IN
- Average sunshine days in September: 15 days
The month with the most sunshine days is September (15 days).
The month with the least sunshine days is February (8.9 days).
Average UV index in September
Cromwell, IN
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Cromwell, IN
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Cromwell, IN
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).
Cromwell, Indiana, USA
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