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 advent of September denotes an average high-temperature of a still warm 75.2°F (24°C), subtly different from August's 79.7°F (26.5°C). In September, the temperature in Chalmers, Indiana, drops to an average of 56.8°F (13.8°C) at night.Humidity
The average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 7.2 days and typically collects 0.35" (9mm) of precipitation.Snowfall
In Chalmers, snow does not fall in May through October.Daylight
In Chalmers, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:19 pm. On the last day of September, sunrise is at 7:43 am and sunset at 7:30 pm EDT.
Sunshine
In Chalmers, the average sunshine in September is 8.2h.UV index
In Chalmers, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 5 in September translates into the following recommendations:
Exercise prevention - Warding off sunburn is urged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What are the temperatures in Chalmers in September?
What is the average humidity in September in Chalmers?
What is the driest month in Chalmers?
How much does it rain in Chalmers in September?
When it does not snow in Chalmers?
What is the average length of the day in September in Chalmers?
What time are sunrise and sunset in September in Chalmers?
How long on average sun shines in September in Chalmers?
What is the UV index reading in September in Chalmers?
Average temperature in September
Chalmers, IN
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Chalmers, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Chalmers, IN
- Average wind speed in September: 7mph
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 (6.2mph).
Average humidity in September
Chalmers, IN
- Average humidity in September: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Chalmers, IN
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is May (0.98").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Chalmers, IN
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Chalmers, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Chalmers, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chalmers, IN
- 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: 8h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Chalmers, IN
- Average sunshine days in September: 21.1 days
The month with the most sunshine days is December (23.6 days).
The month with the least sunshine days is May (15.6 days).
Average UV index in September
Chalmers, IN
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Chalmers, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in September
Chalmers, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Chalmers, Indiana, USA
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