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
September registers an average high-temperature of a still warm 73.4°F (23°C), slightly varied from August's 78.6°F (25.9°C). An average low-temperature of 56.3°F (13.5°C) is recorded during the nights in September in Hanna.Humidity
In Hanna, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 13 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, in Hanna, there are 154.3 rainfall days, and 26.69" (678mm) of precipitation is accumulated.Snowfall
In Hanna, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:19 pm. On the last day of September, in Hanna, sunrise is at 6:43 am and sunset at 6:30 pm CDT.
Sunshine
The average sunshine in September in Hanna is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. 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 is the temperature in September in Hanna?
What is the average humidity in September in Hanna?
How much does it rain in Hanna in September?
When it does not snow in Hanna?
Does it snow in Hanna in September?
What is the average length of the day in September in Hanna?
When are sunrise and sunset in September in Hanna?
How many hours of sunshine does Hanna have in September?
What is the UV index intensity in September in Hanna?
Average temperature in September
Hanna, IN
- Average high temperature in September: 73.4°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 56.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (18.9°F).
Average pressure in September
Hanna, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Hanna, IN
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Hanna, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and July (84%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Hanna, IN
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (3.46").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in September
Hanna, IN
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Hanna, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Hanna, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hanna, IN
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Hanna, IN
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is November (15 days).
The month with the least sunshine days is April (10.5 days).
Average UV index in September
Hanna, IN
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Hanna, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Hanna, IN
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are January, February, July and August (5mi).
Hanna, Indiana, USA
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