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
Varina marks the arrival of September with an average high-temperature of a still warm 73.9°F (23.3°C), hardly different from August's 78.8°F (26°C). Throughout the month of September, the nighttime temperature dips to an average of 54.5°F (12.5°C).Humidity
In September, the average relative humidity is 74%.Rainfall
In Varina, during September, the rain falls for 9.4 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, there are 93.7 rainfall days, and 9.29" (236mm) of precipitation is accumulated.Snowfall
In Varina, snow does not fall in May through September.Daylight
In Varina, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:53 pm. On the last day of September, sunrise is at 7:16 am and sunset at 7:02 pm CDT.
Sunshine
In September, the average sunshine is 9.2h.UV index
In Varina, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Varina have in September?
How high is the UV index in September?
Average temperature in September
Varina, IA
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in September: 54.5°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 (11.8°F).
Average pressure in September
Varina, IA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Varina, IA
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Varina, IA
- Average humidity in September: 74%
The month with the highest relative humidity is January (86%).
The months with the lowest relative humidity are April and October (68%).
Average rainfall in September
Varina, IA
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is May (1.38").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in September
Varina, IA
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in September
Varina, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.05").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Varina, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Varina, IA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Varina, IA
- Average sunshine days in September: 18.6 days
The month with the most sunshine days is November (23.3 days).
The month with the least sunshine days is June (14.7 days).
Average UV index in September
Varina, IA
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Varina, IA
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in September
Varina, IA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Varina, Iowa, USA
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