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
A minor decrease in the average high-temperature is observed during September, shifting from a warm 77.5°F (25.3°C) in August to an agreeable 71.2°F (21.8°C). Ionia in September experiences a low-temperature average of 52.7°F (11.5°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Ionia, New York, in September, it is raining for 13.4 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, in Ionia, there are 150.6 rainfall days, and 20.2" (513mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Ionia.Daylight
The average length of the day in September is 12h and 29min.On the first day of September in Ionia, New York, sunrise is at 6:35 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:52 pm EDT.
Sunshine
The average sunshine in September is 8.9h.UV index
In Ionia, the average daily maximum UV index in September is 3. 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: During September, 3 as the daily maximum UV index converts into the following advice:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Ionia in September?
What is the average humidity in September in Ionia?
How much does it rain in Ionia in September?
When it does not snow in Ionia?
Does it snow in Ionia in September?
How many hours of daylight does Ionia have in September?
What time are sunrise and sunset in September in Ionia?
How long on average sun shines in September in Ionia?
What is the UV index intensity in September in Ionia?
Average temperature in September
Ionia, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (18°F).
Average pressure in September
Ionia, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Ionia, NY
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Ionia, NY
- Average humidity in September: 78%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April and May (77%).
Average rainfall in September
Ionia, NY
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is May (2.32").
The driest month (with the least rainfall) is January (1.02").
Average rainfall days in September
Ionia, NY
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Ionia, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.04").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ionia, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ionia, NY
- 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: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in September
Ionia, NY
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in September
Ionia, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Ionia, NY
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Ionia, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
Ionia, New York, USA
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