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 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 onset of September marks an average high-temperature of a still tropical 86.9°F (30.5°C), hardly differing from August's 90.3°F (32.4°C). Elmira receives a consistent average low-temperature of 58.1°F (14.5°C) in September, a substantial dip from the day's heat.Heat index
The average heat index in September is computed to be a hot 87.8°F (31°C). If one sustains activity during exposure, it could lead to a sense of fatigue, with a chance of heat cramps.In terms of the heat index, values are set with light wind and shade conditions in mind. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', comes about by integrating the temperature readings with the humidity levels. The experience of temperature can be subjective, varying based on the individual's activity and heat perception, influenced by factors like wind, attire, and metabolic variations. Should you be directly under the sun, anticipate a possible increase in the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
September is the least humid month, with an average relative humidity of 48%.Rainfall
The months with the least rainfall in Elmira are July through September Rain falls for 1.4 days and accumulates 0.04" (1mm) of rain.Daylight
In September, the average length of the day in Elmira, California, is 12h and 25min.On the first day of September in Elmira, California, sunrise is at 6:37 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm PDT.
Sunshine
In September, the average sunshine in Elmira is 11.2h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 in September converts into the following recommendations:
Heed the precautions - It is counselled to guard against solar damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
How hot is September in Elmira?
What is the least humid month in Elmira?
What is the average humidity in September in Elmira?
What is the driest month in Elmira?
How much does it rain in Elmira in September?
How many hours of daylight does Elmira have in September?
When are sunrise and sunset in September in Elmira?
How many hours of sunshine does Elmira have in September?
What is the UV index intensity in September in Elmira?
Average temperature in September
Elmira, CA
- Average high temperature in September: 86.9°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is December (54.7°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is September (58.1°F).
The coldest months (with the lowest average low temperature) are January and December (41.4°F).
Average pressure in September
Elmira, CA
- Average pressure in September: 29.92"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in September
Elmira, CA
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are May and June (6.8mph).
The calmest months (with the lowest average wind speed) are January and November (4.7mph).
Average humidity in September
Elmira, CA
- Average humidity in September: 48%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is September (48%).
Average rainfall in September
Elmira, CA
- Average rainfall in September: 0.04"
The wettest month (with the highest rainfall) is February (0.87").
The driest months (with the least rainfall) are July, August and September (0.04").
Average rainfall days in September
Elmira, CA
- Average rainfall days in September: 1.4 days
The month with the highest number of rainy days is March (7.2 days).
The month with the least rainy days is August (1 days).
Average daylight in September /
Average sunshine in September
Elmira, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 11h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Elmira, CA
- Average sunshine days in September: 27.8 days
The month with the most sunshine days is July (29.8 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in September
Elmira, CA
- Average UV index in September: 5
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 3).
Average cloud cover in September
Elmira, CA
- Average cloud cover in September: 9
The months with the most cloud cover are March and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Elmira, CA
- 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).
Elmira, California, USA
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