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
The onset of September results in a small decrease in the average high-temperature, moderately receding from 84.2°F (29°C) in August to a still moderately hot 78.6°F (25.9°C). An average low-temperature of 59.9°F (15.5°C) is noted during the nights in September.Humidity
In September, the average relative humidity is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 13.1 days and accumulates 1.89" (48mm) of precipitation.Snowfall
In Alfordsville, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:17 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:43 am and sunset at 7:31 pm EDT.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Take precautions - Protection against skin and eye damage is obliged. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Alfordsville?
What is the average humidity in September in Alfordsville?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Alfordsville have in September?
What time are sunrise and sunset in September in Alfordsville?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Alfordsville, IN
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in September
Alfordsville, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Alfordsville, IN
- Average wind speed in September: 5.9mph
The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in September
Alfordsville, IN
- Average humidity in September: 75%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Alfordsville, IN
- Average rainfall in September: 1.89"
The wettest month (with the highest rainfall) is April (4.69").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in September
Alfordsville, IN
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is January (9.4 days).
Average snowfall in September
Alfordsville, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Alfordsville, IN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (7.3 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Alfordsville, IN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
Alfordsville, IN
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Alfordsville, IN
- Average UV index in September: 5
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, November and December (UV index 2).
Average cloud cover in September
Alfordsville, IN
- Average cloud cover in September: 31
The months with the most cloud cover are January and February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Alfordsville, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).
Alfordsville, Indiana, USA
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