September weather forecastForheim, Germany

September

Weather in September

September, the first month of the autumn in Forheim, is still a comfortable month, with an average temperature ranging between max 18.3°C (64.9°F) and min 8.8°C (47.8°F).

Temperature

Forheim's September weather features a light decline in high-temperatures, reducing from an agreeable 22.9°C (73.2°F) in August to a comfortable 18.3°C (64.9°F). During September, Forheim observes a consistent average nighttime temperature of 8.8°C (47.8°F).

Humidity

In Forheim, the average relative humidity in September is 82%.

Rainfall

In Forheim, in September, it is raining for 13.9 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, there are 181.5 rainfall days, and 683mm (26.89") of precipitation is accumulated.

Snowfall

June through September are months without snowfall in Forheim.

Daylight

In Forheim, the average length of the day in September is 12h and 35min.
On the first day of September, sunrise is at 06:35 and sunset at 20:00. On the last day of the month, sunrise is at 07:16 and sunset at 18:59 CEST.

Sunshine

In Forheim, the average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September in Forheim is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.
Note: The UV index of 3 in September translates into these instructions:
Prioritize safety - Suggestions to prevent sun damage are offered. Around midday, solar radiation is most harmful; hence, exposure should be limited. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.

Updated: Feb 9, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Forheim, in September, the average high-temperature is 18.3°C (64.9°F), and the average low-temperature is 8.8°C (47.8°F).

In Forheim, Germany, the average relative humidity in September is 82%.

In Forheim, Germany, during September, the rain falls for 13.9 days and regularly aggregates up to 39mm (1.54") of precipitation.

June through September are months without snowfall in Forheim.

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

In September, the average day length in Forheim, Germany, is 12h and 35min.

In September, on the first day of the month, sunrise is at 06:35 and sunset at 20:00. On the last day of the month, sunrise is at 07:16 and sunset at 18:59 CEST.

In Forheim, the average sunshine duration in September is 8.7h.

In Forheim, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health risk 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

22.9°C

18.3°C

12.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.6km/h

9.5km/h

11km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

10.4

13.7

15.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Forheim, Germany

Average high temperature in September: 18.3°C

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (1.9°C).

Average low temperature in September: 8.8°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is February (-2.9°C).

Average pressure in September
Forheim, Germany

Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).

Average wind speed in September
Forheim, Germany

Average wind speed in September: 9km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity in September
Forheim, Germany

Average humidity in September: 82%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).

Average rainfall in September
Forheim, Germany

Average rainfall in September: 39mm

The wettest month (with the highest rainfall) is May (86mm).
The driest month (with the least rainfall) is April (38mm).

Average rainfall days in September
Forheim, Germany

Average rainfall days in September: 13.9 days

The month with the highest number of rainy days is May (21.7 days).
The month with the least rainy days is February (8.9 days).

Average snowfall in September
Forheim, Germany

Average snowfall in September: 0mm

The month with the highest snowfall is January (164mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Forheim, Germany

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (13.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

Average sunshine in September: 8h and 42min

The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).