September weather forecast
Schleswig, IA

• 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

Average temperature in September
Schleswig, IA

• Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (81.9°F).
The month with the lowest average high temperature is January (25.5°F).

• Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (13.3°F).

Average pressure in September
Schleswig, IA

• Average pressure in September: 30"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

Average wind speed in September
Schleswig, IA

• Average wind speed in September: 8.8mph

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.5mph).

Average humidity in September
Schleswig, IA

• Average humidity in September: 74%

The month with the highest relative humidity is January (84%).
The months with the lowest relative humidity are April and October (67%).

Average rainfall in September
Schleswig, IA

• Average rainfall in September: 1.02"

The wettest month (with the highest rainfall) is May (1.57").
The driest month (with the least rainfall) is January (0.24").

Average rainfall days in September
Schleswig, IA

• Average rainfall days in September: 8.8 days

The month with the highest number of rainy days is May (13.8 days).
The months with the least rainy days are January and February (2.3 days).

Average snowfall in September
Schleswig, IA

• Average snowfall in September: 0"

The month with the highest snowfall is February (1.26").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Schleswig, IA

• Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Schleswig, IA

• Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

• Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in September
Schleswig, IA

• Average sunshine days in September: 19 days

The month with the most sunshine days is November (23 days).
The month with the least sunshine days is May (14.2 days).

Average UV index in September
Schleswig, IA

• Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January and February (UV index 1).

Average cloud cover in September
Schleswig, IA

• Average cloud cover in September: 30

The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in September
Schleswig, IA

• Average visibility in September: 6mi

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