September weather forecast
Geneva, IN

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Weather in September

September, the first month of the autumn in Geneva, is still a warm month, with an average temperature varying between 55.8°F (13.2°C) and 73.9°F (23.3°C).

Temperature

In September, Geneva experiences a minor shift in meteorological conditions with average high-temperatures marked at a still warm 73.9°F (23.3°C), closely mirroring the climate in August. An average low-temperature of 55.8°F (13.2°C) is noted during the nights in September.

Humidity

In Geneva, the average relative humidity in September is 79%.

Rainfall

In Geneva, in September, during 11.3 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. Throughout the year, there are 130.2 rainfall days, and 14.8" (376mm) of precipitation is accumulated.

Snowfall

In Geneva, Indiana, snow does not fall in May through September.

Daylight

In Geneva, the average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 7:07 am and sunset at 8:11 pm. On the last day of September, sunrise is at 7:36 am and sunset at 7:23 pm EDT.

Sunshine

In Geneva, the average sunshine in September is 8h.

UV index

In Geneva, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 4 in September translates into these instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Updated: Jul 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

During September, Geneva experiences an average high-temperature of 73.9°F (23.3°C) and a low-temperature of 55.8°F (13.2°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in July is evaluated at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

How much does it rain in September?

In Geneva, during September, the rain falls for 11.3 days and regularly aggregates up to 1.02" (26mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Geneva have in September?

In Geneva, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 7:07 am and sunset at 8:11 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:23 pm EDT.

How many hours of sunshine does Geneva have in September?

In Geneva, the average sunshine duration in September is 8h.

What is the UV index reading in September?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Geneva, IN

Average temperature in September - Geneva, IN
  • Average high temperature in September: 73.9°F

The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

Average pressure in September
Geneva, IN

Average pressure in September - Geneva, IN
  • Average pressure in September: 30.03"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Geneva, IN

Average wind speed in September - Geneva, IN
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).

Average humidity in September
Geneva, IN

Average humidity in September - Geneva, IN
  • Average humidity in September: 79%

The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).

Average rainfall in September
Geneva, IN

Average rainfall in September - Geneva, IN
  • Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is February (0.79").

Average rainfall days in September
Geneva, IN

Average rainfall days in September - Geneva, IN
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (5.4 days).

Average snowfall in September
Geneva, IN

Average snowfall in September - Geneva, IN
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Geneva, IN

Average snowfall days in September - Geneva, IN
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Geneva, IN

Average daylight in September / Average sunshine in September - Geneva, IN
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 0min

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 30min).

Average sunshine days in September
Geneva, IN

Average sunshine days in September - Geneva, IN
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in September
Geneva, IN

Average UV index in September - Geneva, IN
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Geneva, IN

Average cloud cover in September - Geneva, IN
  • Average cloud cover in September: 35

The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).

Average visibility in September
Geneva, IN

Average visibility in September - Geneva, IN
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).

Geneva, Indiana, USA

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