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
Clare records an average high-temperature of a still warm 74.1°F (23.4°C) in September, maintaining a close correlation with August's 79°F (26.1°C). An average temperature of 54.9°F (12.7°C) marks the nights in September.Humidity
The average relative humidity in September in Clare is 75%.Rainfall
In Clare, Iowa, in September, during 11.7 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. In Clare, during the entire year, the rain falls for 130.9 days and collects up to 24.96" (634mm) of precipitation.Snowfall
In Clare, snow does not fall in June through September.Daylight
The average length of the day in September in Clare is 12h and 28min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:51 pm. On the last day of September, sunrise is at 7:14 am and sunset at 6:59 pm CDT.
Sunshine
The average sunshine in September in Clare is 9.1h.UV index
In Clare, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Ensure safety - Imperative it is to shield skin and eyes from damage. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Clare in September?
What is the average humidity in September in Clare?
How much does it rain in Clare in September?
When it does not snow in Clare?
Does it snow in Clare in September?
How many hours of daylight does Clare have in September?
When is the sunrise / sunset in September in Clare?
How long on average sun shines in September in Clare?
How high is the UV index in September in Clare?
Average temperature in September
Clare, IA
- Average high temperature in September: 74.1°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 (25°F).
- Average low temperature in September: 54.9°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 (12.2°F).
Average pressure in September
Clare, IA
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Clare, IA
- Average wind speed in September: 8.5mph
The windiest month (with the highest average wind speed) is April (11mph).
The calmest months (with the lowest average wind speed) are July and August (7.3mph).
Average humidity in September
Clare, IA
- Average humidity in September: 75%
The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are April and October (69%).
Average rainfall in September
Clare, IA
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is June (3.98").
The driest month (with the least rainfall) is January (0.91").
Average rainfall days in September
Clare, IA
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is June (18.3 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Clare, IA
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.88").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Clare, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Clare, 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 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Clare, IA
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in September
Clare, 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 and February (UV index 1).
Average cloud cover in September
Clare, IA
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and September (Cloud cover 31).
Average visibility in September
Clare, IA
- 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).
Clare, Iowa, USA
Weather forecast for your location
2. Allow the app to use your location