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
West Grove observes a small decrease in the average high-temperature with the arrival of September, falling from August's 82.2°F (27.9°C) to a still warm 76.1°F (24.5°C). In the month of September, the average low-temperature in West Grove usually rests at a refreshing 56.7°F (13.7°C).Humidity
In West Grove, the average relative humidity in September is 76%.Rainfall
In West Grove, in September, during 9.6 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. Throughout the year, in West Grove, there are 133.4 rainfall days, and 26.54" (674mm) of precipitation is accumulated.Snowfall
In West Grove, snow does not fall in May through September.Daylight
In September, the average length of the day in West Grove is 12h and 27min.On the first day of September in West Grove, sunrise is at 6:38 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:53 pm CDT.
Sunshine
In West Grove, the average sunshine in September is 9.5h.UV index
In September, the average daily maximum UV index in West Grove is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in West Grove?
What is the average humidity in September in West Grove?
How much does it rain in West Grove in September?
When it does not snow in West Grove?
Does it snow in West Grove in September?
What is the average length of the day in September in West Grove?
When are sunrise and sunset in September in West Grove?
How long on average sun shines in September in West Grove?
What is the UV index intensity in September in West Grove?
Average temperature in September
West Grove, IA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (30.2°F).
- Average low temperature in September: 56.7°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (17.6°F).
Average pressure in September
West Grove, IA
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
West Grove, IA
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
West Grove, IA
- Average humidity in September: 76%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
West Grove, IA
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is June (3.86").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in September
West Grove, IA
- Average rainfall days in September: 9.6 days
The months with the highest number of rainy days are May and June (16.8 days).
The months with the least rainy days are January and February (6 days).
Average snowfall in September
West Grove, IA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.84").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
West Grove, IA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
West Grove, IA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 9h and 3min
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 18min).
Average sunshine days in September
West Grove, IA
- Average sunshine days in September: 18.8 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in September
West Grove, IA
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
West Grove, IA
- Average cloud cover in September: 28
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 28).
Average visibility in September
West Grove, 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).
West Grove, Iowa, USA
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