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
September
Weather in September
Temperature
Heidelberg's average high-temperature in September is a still refreshing 16°C (60.8°F), marking an insignificant difference from the 13.4°C (56.1°F) of August. During the month of September, an average low-temperature of 7.4°C (45.3°F) is recorded in Heidelberg.Humidity
In September, the average relative humidity is 74%.Rainfall
In Heidelberg, in September, it is raining for 16.2 days, with typically 39mm (1.54") of accumulated precipitation. In Heidelberg, during the entire year, the rain falls for 163.4 days and collects up to 465mm (18.31") of precipitation.Daylight
The average length of the day in September is 11h and 51min.On the first day of September, sunrise is at 6:40 am and sunset at 5:58 pm. On the last day of the month, sunrise is at 5:56 am and sunset at 6:23 pm AEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
The months with the lowest UV index are May through September, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September in Heidelberg?
How many days does it rain in September?
What is the average length of the day in September in Heidelberg?
When is the sunrise / sunset in September?
How many hours of sunshine does Heidelberg have in September?
When is the lowest UV index?
What is the UV index intensity in September?
Average temperature in September
Heidelberg, Australia
- Average high temperature in September: 16°C
The warmest month (with the highest average high temperature) is January (25.8°C).
The month with the lowest average high temperature is July (12.4°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is February (14.8°C).
The coldest month (with the lowest average low temperature) is August (6.6°C).
Average pressure in September
Heidelberg, Australia
- Average pressure in September: 1016.5mbar
The month with the highest atmospheric pressure is June (1021.4mbar).
The month with the lowest atmospheric pressure is January (1012.3mbar).
Average wind speed in September
Heidelberg, Australia
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is August (13.9km/h).
The calmest month (with the lowest average wind speed) is April (10.6km/h).
Average humidity in September
Heidelberg, Australia
- Average humidity in September: 74%
The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is January (63%).
Average rainfall in September
Heidelberg, Australia
- Average rainfall in September: 39mm
The wettest months (with the highest rainfall) are August and December (45mm).
The driest months (with the least rainfall) are March and April (34mm).
Average rainfall days in September
Heidelberg, Australia
- Average rainfall days in September: 16.2 days
The months with the highest number of rainy days are July and August (16.9 days).
The month with the least rainy days is January (9.5 days).
Average daylight in September /
Average sunshine in September
Heidelberg, Australia
- Average daylight in September: 11h and 5min
The month with the longest days is December (Average daylight: 14h and 42min).
The month with the shortest days is June (Average daylight: 9h and 36min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is December (Average sunshine: 9h and 48min).
The months with the least sunshine are July and August (Average sunshine: 6h and 30min).
Average sunshine days in September
Heidelberg, Australia
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is January (16.7 days).
The months with the least sunshine days are July and August (10.5 days).
Average UV index in September
Heidelberg, Australia
- Average UV index in September: 3
The months with the highest UV index are January, February, March, October, November and December (UV index 5).
The months with the lowest UV index are May, June, July, August and September (UV index 3).
Average cloud cover in September
Heidelberg, Australia
- Average cloud cover in September: 43
The month with the most cloud cover is July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in September
Heidelberg, Australia
- Average visibility in September: 9km
The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are April, May, June, July, August, September, October, November and December (9km).
