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
Melcher-Dallas's progression into September involves a gentle drop in the average high-temperature, from 81.5°F (27.5°C) in August to a still warm 75.7°F (24.3°C). In Melcher-Dallas, the average nighttime temperature during September is a refreshing 56.1°F (13.4°C).Humidity
The average relative humidity in September in Melcher-Dallas is 77%.Rainfall
In Melcher-Dallas, during September, the rain falls for 9.8 days and regularly aggregates up to 1.5" (38mm) of precipitation. In Melcher-Dallas, during the entire year, the rain falls for 115.3 days and collects up to 13.31" (338mm) of precipitation.Snowfall
In Melcher-Dallas, snow does not fall in June through September.Daylight
In Melcher-Dallas, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:40 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:09 am and sunset at 6:55 pm CDT.
Sunshine
In September, the average sunshine in Melcher-Dallas is 9.4h.UV index
In September, the average daily maximum UV index in Melcher-Dallas is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 4 during September leads to these instructions:
Undertake protective steps - Preventing sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Frequently asked questions
What is the temperature in September in Melcher-Dallas?
What is the average humidity in September in Melcher-Dallas?
How many days does it rain in September in Melcher-Dallas?
When it does not snow in Melcher-Dallas?
Does it snow in Melcher-Dallas in September?
How many hours of daylight does Melcher-Dallas have in September?
When are sunrise and sunset in September in Melcher-Dallas?
How long on average sun shines in September in Melcher-Dallas?
What is the UV index intensity in September in Melcher-Dallas?
Average temperature in September
Melcher-Dallas, IA
- Average high temperature in September: 75.7°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (28.6°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (15.1°F).
Average pressure in September
Melcher-Dallas, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Melcher-Dallas, IA
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Melcher-Dallas, IA
- Average humidity in September: 77%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Melcher-Dallas, IA
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is May (2.24").
The driest months (with the least rainfall) are February and December (0.47").
Average rainfall days in September
Melcher-Dallas, IA
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Melcher-Dallas, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Melcher-Dallas, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Melcher-Dallas, IA
- 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: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in September
Melcher-Dallas, IA
- Average sunshine days in September: 18.4 days
The months with the most sunshine days are November and December (20.5 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in September
Melcher-Dallas, IA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Melcher-Dallas, IA
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 53).
The months with the least cloud cover are July, August and September (Cloud cover 29).
Average visibility in September
Melcher-Dallas, IA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Melcher-Dallas, Iowa, USA
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