September weather forecastHeimstetten, Germany

September

Weather in September

September, the first month of the autumn in Heimstetten, is still a comfortable month, with temperature in the range of an average low of 8.9°C (48°F) and an average high of 18.5°C (65.3°F).

Temperature

September ushers in a minute temperature change, with average high-temperatures reducing from August's moderately hot 23.3°C (73.9°F) to a comfortable 18.5°C (65.3°F). Heimstetten anticipates an average minimum temperature of 8.9°C (48°F) in the month of September.

Humidity

In Heimstetten, the average relative humidity in September is 83%.

Rainfall

In Heimstetten, Germany, in September, during 12.5 rainfall days, 41mm (1.61") of precipitation is typically accumulated. In Heimstetten, during the entire year, the rain falls for 152.4 days and collects up to 622mm (24.49") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of September, sunrise is at 06:31 and sunset at 19:54. On the last day of the month, sunrise is at 07:11 and sunset at 18:54 CEST.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In Heimstetten, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Updated: Jun 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Heimstetten experiences an average high-temperature of 18.5°C (65.3°F) and a low-temperature of 8.9°C (48°F).

The average relative humidity in September is 83%.

In Heimstetten, during September, the rain falls for 12.5 days and regularly aggregates up to 41mm (1.61") of precipitation.

In Heimstetten, snow does not fall in June through September.

In Heimstetten, in September, it doesn't snow. In October, it regularly snows.

The average day length in September is 12h and 35min.

In September, on the first day of the month, sunrise is at 06:31 and sunset at 19:54. On the last day of the month, sunrise is at 07:11 and sunset at 18:54 CEST.

In September, the average sunshine duration is 8.6h.

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

23.3°C

18.5°C

13.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.1km/h

9km/h

10.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

13.5

15.3

19.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Heimstetten, Germany

Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (2°C).

Average low temperature in September: 8.9°C

The month with the highest average low temperature is August (12.9°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

Average pressure in September
Heimstetten, Germany

Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).

Average wind speed in September
Heimstetten, Germany

Average wind speed in September: 8.5km/h

The windiest month (with the highest average wind speed) is March (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

Average humidity in September
Heimstetten, Germany

Average humidity in September: 83%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Heimstetten, Germany

Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is July (80mm).
The driest month (with the least rainfall) is November (22mm).

Average rainfall days in September
Heimstetten, Germany

Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is June (18.4 days).
The month with the least rainy days is February (7.4 days).

Average snowfall in September
Heimstetten, Germany

Average snowfall in September: 0mm

The month with the highest snowfall is January (185mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Heimstetten, Germany

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Heimstetten, Germany

Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).

Average sunshine in September: 8h and 36min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).