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 shift into September in Valparaiso records an average high-temperature of a still moderately hot 73.4°F (23°C), subtly varied from August's 78.6°F (25.9°C). September's average low-temperature reading settles at a moderate 56.8°F (13.8°C).Humidity
In September, the average relative humidity in Valparaiso is 79%.Rainfall
In Valparaiso, in September, during 11.9 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Valparaiso, Indiana, during the entire year, the rain falls for 133.4 days and collects up to 19.09" (485mm) of precipitation.Snowfall
June through September are months without snowfall in Valparaiso.Daylight
In Valparaiso, the average length of the day in September is 12h and 28min.On the first day of September in Valparaiso, sunrise is at 6:15 am and sunset at 7:20 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 6:31 pm CDT.
Sunshine
In September, the average sunshine in Valparaiso, Indiana, is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. It's recommended to limit sun exposure when its radiation is at its peak during midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Frequently asked questions
What are September temperatures in Valparaiso?
What is the average humidity in September in Valparaiso?
How many days does it rain in September in Valparaiso?
When it does not snow in Valparaiso?
Does it snow in Valparaiso in September?
What is the average length of the day in September in Valparaiso?
What time are sunrise and sunset in September in Valparaiso?
How long on average sun shines in September in Valparaiso?
How high is the UV index in September in Valparaiso?
Average temperature in September
Valparaiso, IN
- Average high temperature in September: 73.4°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 (30°F).
- Average low temperature in September: 56.8°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°F).
Average pressure in September
Valparaiso, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Valparaiso, IN
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in September
Valparaiso, IN
- Average humidity in September: 79%
The months with the highest relative humidity are July and August (84%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Valparaiso, IN
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is May (2.56").
The driest month (with the least rainfall) is February (0.87").
Average rainfall days in September
Valparaiso, IN
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is January (4.9 days).
Average snowfall in September
Valparaiso, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.48").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Valparaiso, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Valparaiso, 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: 8h and 2min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Valparaiso, IN
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is June (11.3 days).
Average UV index in September
Valparaiso, IN
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Valparaiso, IN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Valparaiso, IN
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, July and August (5mi).
Valparaiso, Indiana, USA
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