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 transition to September results in a modest reduction in average high-temperature, moving from a warm 79.2°F (26.2°C) in August to an agreeable 73.2°F (22.9°C). Alice sees an average low-temperature of 54.7°F (12.6°C) during September.Humidity
In September, the average relative humidity is 78%.Rainfall
In September, in Alice, the rain falls for 11.3 days. Throughout September, 2.64" (67mm) of precipitation is accumulated. Throughout the year, there are 138.6 rainfall days, and 27.8" (706mm) of precipitation is accumulated.Snowfall
In Alice, snow does not fall in June through September.Daylight
The average length of the day in September in Alice, Iowa, is 12h and 28min.On the first day of September, sunrise is at 6:32 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:49 pm CDT.
Sunshine
In Alice, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index in Alice is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 4 translates into these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Alice?
What is the average humidity in September in Alice?
How many days does it rain in September in Alice?
When it does not snow in Alice?
Does it snow in Alice in September?
What is the average length of the day in September in Alice?
When is the sunrise / sunset in September in Alice?
How many hours of sunshine does Alice have in September?
What is the UV index reading in September in Alice?
Average temperature in September
Alice, IA
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.3°F).
- Average low temperature in September: 54.7°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in September
Alice, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Alice, IA
- Average wind speed in September: 8mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Alice, IA
- Average humidity in September: 78%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Alice, IA
- Average rainfall in September: 2.64"
The wettest month (with the highest rainfall) is May (4.37").
The driest months (with the least rainfall) are January and February (1.18").
Average rainfall days in September
Alice, IA
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in September
Alice, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (5.43").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Alice, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Alice, IA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Alice, IA
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Alice, IA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Alice, IA
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Alice, IA
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).
Alice, Iowa, USA
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